Merge pull request #1654 from mauriciocolli/misc-fixes

Improve "selected tabs" and misc fixes

.github/CONTRIBUTING.md

@@ -15,6 +15,8 @@ Do not report crashes in the GitHub issue tracker. NewPipe has an automated cras
 * If you are an Android/Java developer, you are always welcome to fix/implement an issue/a feature yourself. PRs welcome!
 * We use English for development. Issues in other languages will be closed and ignored.
 * Please only add *one* issue at a time. Do not put multiple issues into one thread.
+* When reporting a bug please give us a context, and a description how to reproduce it.
+* Issues that only contain a generated bug report, but no describtion might be closed.
 
 ## Bug Fixing
 * If you want to help NewPipe to become free of bugs (this is our utopic goal for NewPipe), you can send us an email to tnp@newpipe.schabi.org to let me know that you intend to help. We'll send you further instructions. You may, on request, register at our [Sentry](https://sentry.schabi.org) instance (see section "Crash reporting" for more information.
@@ -28,7 +30,7 @@ Do not report crashes in the GitHub issue tracker. NewPipe has an automated cras
 * Stick to NewPipe's style conventions (well, just look the other code and then do it the same way :))
 * Do not bring non-free software (e.g., binary blobs) into the project. Also, make sure you do not introduce Google libraries.
 * Stick to [F-Droid contribution guidelines](https://f-droid.org/wiki/page/Inclusion_Policy)
-* Make changes on a separate branch, not on the master branch. This is commonly known as *feature branch workflow*. You may then send your changes as a pull request on GitHub. Patches to the email address mentioned in this document might not be considered, GitHub is the primary platform.
+* Make changes on a separate branch, not on the master branch. This is commonly known as *feature branch workflow*. You may then send your changes as a pull request on GitHub. Patches to the email address mentioned in this document might not be considered, GitHub is the primary platform. (This only affects you if you are a member of TeamNewPipe)
 * When submitting changes, you confirm that your code is licensed under the terms of the [GNU General Public License v3](https://www.gnu.org/licenses/gpl-3.0.html).
 * Please test (compile and run) your code before you submit changes! Ideally, provide test feedback in the PR description. Untested code will **not** be merged!
 * Try to figure out yourself why builds on our CI fail.

.github/ISSUE_TEMPLATE.md

@@ -1,2 +1,3 @@
 - [ ] I carefully read the [contribution guidelines](https://github.com/TeamNewPipe/NewPipe/blob/HEAD/.github/CONTRIBUTING.md) and agree to them.
 - [ ] I checked if the issue/feature exists in the latest version.
+- [ ] I did use the [incredible bugreport to markdown converter](https://teamnewpipe.github.io/CrashReportToMarkdown/) to paste bug reports.

CheckTranslations.java

@@ -1,170 +0,0 @@
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
-import java.io.IOException;
-import java.util.regex.*;
-import java.util.Arrays;
-import java.util.List;
-import java.util.ArrayList;
-import java.nio.file.Files;
-import java.nio.charset.Charset;
-
-public final class CheckTranslations {
-
-    private static boolean debug = false;
-    private static boolean plurals = false;
-    private static boolean empty = false;
-    private static boolean remove = false;
-    private static int checks = 0;
-    private static int matches = 0;
-    private static int changes = 0;
-    private static Pattern p, pb, pe, e, o;
-
-    /**
-     * Search translated strings.xml files for empty item / plural tags
-     * and remove them.
-     * @param args directories which contain string.xml files (in any subdirectory)
-     *             -e option to find all empty string tags
-     *             -p option to find all empty plurals and item tags
-     *             -r option to remove all occurrences from the files
-     *             -d option to see more details
-     */
-    public static void main(String[] args) {
-        if (args.length < 1 || (args[0].equals("-d") && args.length < 2)) {  
-            System.out.println("Not enough arguments");
-            return;
-        }
-        for (int i = 0; i < args.length; i++) {
-            switch (args[i]) {
-                case "-d":
-                    debug = true;
-                    break;
-                case "-p":
-                    plurals = true;
-                    break;
-                case "-e":
-                    empty = true;
-                    break;
-                case "-r":
-                    remove = true;
-                    break;
-            }
-        }
-        
-        if (!plurals && !empty) {
-            plurals = true;
-            empty = true;
-        }
-
-        p = Pattern.compile("(<item quantity=\")(zero|one|two|three|few|many|other)(\"></item>|\"/>)");
-        pb = Pattern.compile("(<plurals[\\sa-zA-Z=\"]*>)");
-        pe = Pattern.compile("(</plurals>)");
-        e = Pattern.compile("(<string[\\sa-z_\\\"=]*)((><\\/string>|\\/>){1})");
-        o = Pattern.compile("(<item quantity=\"other\">)[^</>]*(<\\/item>)");
-
-        for (int i = 0; i < args.length; i++) {
-            if (!args[i].equals("-d") && !args[i].equals("-p") && !args[i].equals("-e") && !args[i].equals("-r")) {
-                File f = new File(args[i]);
-                if (f.exists() && !f.isDirectory()) {
-                    checkFile(f);
-                } else if (f.isDirectory()) {
-                    checkFiles(f.listFiles());
-                } else {
-                    System.out.println("'" + args[i] + "' does not exist!");
-                }
-            }
-        }
-
-        System.out.println(checks + " files were checked.");
-        System.out.println(matches + " corrupt lines detected.");
-        if (remove) {
-            System.out.println(matches + " corrupt lines removed and " + changes + " lines fixed.");
-        }
-    }
-
-
-    private static void checkFiles(File[] f) {
-        for (int i = 0; i < f.length; i++) {
-            if (f[i].exists() && !f[i].isDirectory()) {
-                if (f[i].toString().contains("strings.xml")) {
-                    checkFile(f[i]);
-                }
-            } else if (f[i].isDirectory()) {
-                checkFiles(f[i].listFiles());
-            }
-        }
-    }
-
-    private static void checkFile(File f) {
-        // Do not check our original English strings to cause no unwanted changes
-        // Btw. there should not be empty plural/item tags
-        if (f.toString().contains("values/strings.xml")) {
-            return;
-        }
-        if (debug) System.out.println("Checking " + f.toString());
-        checks++;
-
-
-        List<String> lines = new ArrayList<String>();
-        boolean checkFailed = false;
-        boolean otherDetected = false;
-        boolean inPlurals = false;
-        try (BufferedReader br = new BufferedReader(new FileReader(f))) {
-            String line;
-            int ln = 0;
-            while ((line = br.readLine()) != null) {
-                ln++;
-                if (plurals && p.matcher(line).find()) {
-                    matches++;
-                    if (debug) System.out.println("    Line " + ln + " was " + ((remove) ? "removed" : "detected") + ": '" + line + "'");
-                    checkFailed = true;
-                } else if (empty && e.matcher(line).find()) {
-                    matches++;
-                    checkFailed = true;
-                    if (debug) System.out.println("    Line " + ln + " was " + ((remove) ? "removed" : "detected") + ": '" + line + "'");
-                } else {
-                    if (remove) lines.add(line);
-                }
-            }
-            br.close();
-            int pluralsLine = 0;
-            for (int i = 0; i < lines.size(); i++) {
-                if (o.matcher(lines.get(i)).find()) {
-                    otherDetected = true;
-                }
-                if (plurals && pb.matcher(lines.get(i)).find()) {
-                    inPlurals = true;
-                    pluralsLine = i;
-                } else if (plurals && pe.matcher(lines.get(i)).find()) {
-                    inPlurals = false;
-                    if (!otherDetected) {
-                        boolean b = false;
-                        check: for(int j = pluralsLine; j < i; j++) {
-                            if (lines.get(j).contains("many")) {
-                                b = true;
-                                pluralsLine = j;
-                                break check;
-                            }
-                        }
-                        if (remove && b) {
-                            if (debug) System.out.println("    Line " + (pluralsLine + 1) + " was " + ((remove) ? "changed" : "detected") + ": '" + lines.get(pluralsLine) + "'");
-                            lines.set(pluralsLine, lines.get(pluralsLine).replace("many", "other"));
-                            changes++;
-                            checkFailed = true;
-                        } else if (debug) {
-                            if (debug) System.out.println("    WARNING: Line " + (i + 1) + " - No <item quantity=\"other\"> found!");
-                        }
-                    }
-                    otherDetected = false;
-                }
-                 
-            }
-            if (remove && checkFailed) {
-                Files.write(f.toPath(), lines, Charset.forName("UTF-8"));
-            }
-        } catch (IOException e) {
-            System.out.println(e);
-        }
-    }
-}
-

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "org.schabi.newpipe"
         minSdkVersion 15
         targetSdkVersion 27
-        versionCode 60
-        versionName "0.13.1"
+        versionCode 67
+        versionName "0.14.0"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
@@ -41,24 +41,24 @@ android {
 }
 
 ext {
-    supportLibVersion = '27.1.0'
-    exoPlayerLibVersion = '2.7.1'
-    roomDbLibVersion = '1.0.0'
+    supportLibVersion = '27.1.1'
+    exoPlayerLibVersion = '2.8.2'
+    roomDbLibVersion = '1.1.1'
     leakCanaryLibVersion = '1.5.4'
-    okHttpLibVersion = '1.5.0'
+    okHttpLibVersion = '3.10.0'
     icepickLibVersion = '3.2.0'
     stethoLibVersion = '1.5.0'
 }
+
 dependencies {
     androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2') {
         exclude module: 'support-annotations'
     }
 
-    implementation 'com.github.TeamNewPipe:NewPipeExtractor:a6b6235644474'
-
+    implementation 'com.github.TeamNewPipe:NewPipeExtractor:850670917fce'
 
     testImplementation 'junit:junit:4.12'
-    testImplementation 'org.mockito:mockito-core:1.10.19'
+    testImplementation 'org.mockito:mockito-core:2.8.9'
 
     implementation "com.android.support:appcompat-v7:$supportLibVersion"
     implementation "com.android.support:support-v4:$supportLibVersion"
@@ -66,13 +66,13 @@ dependencies {
     implementation "com.android.support:recyclerview-v7:$supportLibVersion"
     implementation "com.android.support:preference-v14:$supportLibVersion"
 
-    implementation 'com.google.code.gson:gson:2.8.2'
     implementation 'ch.acra:acra:4.9.2'
 
     implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
     implementation 'de.hdodenhof:circleimageview:2.2.0'
     implementation 'com.github.nirhart:ParallaxScroll:dd53d1f9d1'
     implementation 'com.nononsenseapps:filepicker:4.2.1'
+
     implementation "com.google.android.exoplayer:exoplayer:$exoPlayerLibVersion"
     implementation "com.google.android.exoplayer:extension-mediasession:$exoPlayerLibVersion"
 
@@ -80,7 +80,7 @@ dependencies {
     debugImplementation "com.facebook.stetho:stetho-urlconnection:$stethoLibVersion"
     debugImplementation 'com.android.support:multidex:1.0.3'
 
-    implementation 'io.reactivex.rxjava2:rxjava:2.1.10'
+    implementation 'io.reactivex.rxjava2:rxjava:2.1.14'
     implementation 'io.reactivex.rxjava2:rxandroid:2.0.2'
     implementation 'com.jakewharton.rxbinding2:rxbinding:2.1.1'
 
@@ -94,6 +94,9 @@ dependencies {
     debugImplementation "com.squareup.leakcanary:leakcanary-android:$leakCanaryLibVersion"
     releaseImplementation "com.squareup.leakcanary:leakcanary-android-no-op:$leakCanaryLibVersion"
 
-    implementation 'com.squareup.okhttp3:okhttp:3.9.1'
-    debugImplementation "com.facebook.stetho:stetho-okhttp3:$okHttpLibVersion"
+
+    implementation "com.squareup.okhttp3:okhttp:$okHttpLibVersion"
+    debugImplementation "com.facebook.stetho:stetho-okhttp3:$stethoLibVersion"
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
+    implementation 'com.android.support:cardview-v7:27.1.1'
 }

app/proguard-rules.pro

@@ -42,3 +42,9 @@
 -dontwarn javax.annotation.**
 # A resource is loaded with a relative path so the package of this class must be preserved.
 -keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    !static !transient <fields>;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+}

app/src/main/AndroidManifest.xml

@@ -42,7 +42,11 @@
 
         <service
             android:name=".player.BackgroundPlayer"
-            android:exported="false"/>
+            android:exported="false">
+            <intent-filter>
+                <action android:name="android.intent.action.MEDIA_BUTTON" />
+            </intent-filter>
+        </service>
 
         <activity
             android:name=".player.BackgroundPlayerActivity"
@@ -72,12 +76,8 @@
             android:name=".about.AboutActivity"
             android:label="@string/title_activity_about"/>
 
-        <activity
-            android:name=".history.HistoryActivity"
-            android:label="@string/title_activity_history"/>
-
-        <service android:name=".subscription.services.SubscriptionsImportService"/>
-        <service android:name=".subscription.services.SubscriptionsExportService"/>
+        <service android:name=".local.subscription.services.SubscriptionsImportService"/>
+        <service android:name=".local.subscription.services.SubscriptionsExportService"/>
 
         <activity
             android:name=".PanicResponderActivity"
@@ -118,6 +118,7 @@
         <activity
             android:name=".ReCaptchaActivity"
             android:label="@string/reCaptchaActivity"/>
+        <activity android:name=".download.ExtSDDownloadFailedActivity" />
 
         <provider
             android:name="android.support.v4.content.FileProvider"
@@ -132,7 +133,7 @@
         <activity
             android:name=".RouterActivity"
             android:excludeFromRecents="true"
-            android:label="@string/preferred_player_share_menu_title"
+            android:label="@string/preferred_open_action_share_menu_title"
             android:taskAffinity=""
             android:theme="@style/RouterActivityThemeDark">
 

app/src/main/java/org/schabi/newpipe/BaseFragment.java

@@ -4,6 +4,7 @@ import android.content.Context;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
@@ -11,7 +12,10 @@ import android.view.View;
 import com.nostra13.universalimageloader.core.ImageLoader;
 import com.squareup.leakcanary.RefWatcher;
 
+import org.schabi.newpipe.report.UserAction;
+
 import icepick.Icepick;
+import icepick.State;
 
 public abstract class BaseFragment extends Fragment {
     protected final String TAG = getClass().getSimpleName() + "@" + Integer.toHexString(hashCode());
@@ -20,6 +24,15 @@ public abstract class BaseFragment extends Fragment {
     protected AppCompatActivity activity;
     public static final ImageLoader imageLoader = ImageLoader.getInstance();
 
+    //These values are used for controlling framgents when they are part of the frontpage
+    @State
+    protected boolean useAsFrontPage = false;
+    protected boolean mIsVisibleToUser = false;
+
+    public void useAsFrontPage(boolean value) {
+        useAsFrontPage = value;
+    }
+
     /*//////////////////////////////////////////////////////////////////////////
     // Fragment's Lifecycle
     //////////////////////////////////////////////////////////////////////////*/
@@ -72,6 +85,12 @@ public abstract class BaseFragment extends Fragment {
         if (refWatcher != null) refWatcher.watch(this);
     }
 
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        mIsVisibleToUser = isVisibleToUser;
+    }
+
     /*//////////////////////////////////////////////////////////////////////////
     // Init
     //////////////////////////////////////////////////////////////////////////*/
@@ -88,8 +107,15 @@ public abstract class BaseFragment extends Fragment {
 
     public void setTitle(String title) {
         if (DEBUG) Log.d(TAG, "setTitle() called with: title = [" + title + "]");
-        if (activity != null && activity.getSupportActionBar() != null) {
+        if((!useAsFrontPage || mIsVisibleToUser)
+            && (activity != null && activity.getSupportActionBar() != null)) {
             activity.getSupportActionBar().setTitle(title);
         }
     }
+
+    protected FragmentManager getFM() {
+        return getParentFragment() == null
+                ? getFragmentManager()
+                : getParentFragment().getFragmentManager();
+    }
 }

app/src/main/java/org/schabi/newpipe/Downloader.java

@@ -73,6 +73,31 @@ public class Downloader implements org.schabi.newpipe.extractor.Downloader {
         mCookies = cookies;
     }
 
+    /**
+     * Get the size of the content that the url is pointing by firing a HEAD request.
+     *
+     * @param url an url pointing to the content
+     * @return the size of the content, in bytes
+     */
+    public long getContentLength(String url) throws IOException {
+        Response response = null;
+        try {
+            final Request request = new Request.Builder()
+                    .head().url(url)
+                    .addHeader("User-Agent", USER_AGENT)
+                    .build();
+            response = client.newCall(request).execute();
+
+            return Long.parseLong(response.header("Content-Length"));
+        } catch (NumberFormatException e) {
+            throw new IOException("Invalid content length", e);
+        } finally {
+            if (response != null) {
+                response.close();
+            }
+        }
+    }
+
     /**
      * Download the text file at the supplied URL as in download(String),
      * but set the HTTP header field "Accept-Language" to the supplied string.

app/src/main/java/org/schabi/newpipe/MainActivity.java

@@ -22,11 +22,14 @@ package org.schabi.newpipe;
 
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.preference.PreferenceManager;
+import android.support.annotation.NonNull;
 import android.support.design.widget.NavigationView;
 import android.support.v4.app.Fragment;
 import android.support.v4.view.GravityCompat;
@@ -41,23 +44,30 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
 import android.widget.Button;
-import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.TextView;
 
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
+import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.MainFragment;
 import org.schabi.newpipe.fragments.detail.VideoDetailFragment;
 import org.schabi.newpipe.fragments.list.search.SearchFragment;
 import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.util.Constants;
+import org.schabi.newpipe.util.KioskTranslator;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.ServiceHelper;
 import org.schabi.newpipe.util.StateSaver;
 import org.schabi.newpipe.util.ThemeHelper;
 
+import static org.schabi.newpipe.extractor.InfoItem.InfoType.PLAYLIST;
+
 public class MainActivity extends AppCompatActivity {
     private static final String TAG = "MainActivity";
     public static final boolean DEBUG = !BuildConfig.BUILD_TYPE.equals("release");
@@ -67,6 +77,19 @@ public class MainActivity extends AppCompatActivity {
     private NavigationView drawerItems = null;
     private TextView headerServiceView = null;
 
+    private boolean servicesShown = false;
+    private ImageView serviceArrow;
+
+    private static final int ITEM_ID_SUBSCRIPTIONS = - 1;
+    private static final int ITEM_ID_FEED = - 2;
+    private static final int ITEM_ID_BOOKMARKS = - 3;
+    private static final int ITEM_ID_DOWNLOADS = - 4;
+    private static final int ITEM_ID_HISTORY = - 5;
+    private static final int ITEM_ID_SETTINGS = 0;
+    private static final int ITEM_ID_ABOUT = 1;
+
+    private static final int ORDER = 0;
+
     /*//////////////////////////////////////////////////////////////////////////
     // Activity's LifeCycle
     //////////////////////////////////////////////////////////////////////////*/
@@ -80,29 +103,64 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            Window w = getWindow();
+            w.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+        }
+
         if (getSupportFragmentManager() != null && getSupportFragmentManager().getBackStackEntryCount() == 0) {
             initFragments();
         }
 
         setSupportActionBar(findViewById(R.id.toolbar));
-        setupDrawer();
+        try {
+            setupDrawer();
+        } catch (Exception e) {
+            ErrorActivity.reportUiError(this, e);
+        }
     }
 
-    private void setupDrawer() {
+    private void setupDrawer() throws Exception {
         final Toolbar toolbar = findViewById(R.id.toolbar);
         drawer = findViewById(R.id.drawer_layout);
         drawerItems = findViewById(R.id.navigation);
 
-        for(StreamingService s : NewPipe.getServices()) {
-            String title =
-                    s.getServiceInfo().getName() +
-                            (ServiceHelper.isBeta(s) ? " (beta)" : "");
-            MenuItem item = drawerItems.getMenu()
-                    .add(R.id.menu_services_group, s.getServiceId(), 0, title);
-            item.setIcon(ServiceHelper.getIcon(s.getServiceId()));
+        //Tabs
+        int currentServiceId = ServiceHelper.getSelectedServiceId(this);
+        StreamingService service = NewPipe.getService(currentServiceId);
+
+        int kioskId = 0;
+
+        for (final String ks : service.getKioskList().getAvailableKiosks()) {
+            drawerItems.getMenu()
+                    .add(R.id.menu_tabs_group, kioskId, 0, KioskTranslator.getTranslatedKioskName(ks, this))
+                    .setIcon(KioskTranslator.getKioskIcons(ks, this));
+            kioskId ++;
         }
 
-        drawerItems.getMenu().getItem(ServiceHelper.getSelectedServiceId(this)).setChecked(true);
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_SUBSCRIPTIONS, ORDER, R.string.tab_subscriptions)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.ic_channel));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_FEED, ORDER, R.string.fragment_whats_new)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.rss));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_BOOKMARKS, ORDER, R.string.tab_bookmarks)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.ic_bookmark));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_DOWNLOADS, ORDER, R.string.downloads)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.download));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_HISTORY, ORDER, R.string.action_history)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.history));
+
+        //Settings and About
+        drawerItems.getMenu()
+                .add(R.id.menu_options_about_group, ITEM_ID_SETTINGS, ORDER, R.string.settings)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.settings));
+        drawerItems.getMenu()
+                .add(R.id.menu_options_about_group, ITEM_ID_ABOUT, ORDER, R.string.tab_about)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.info));
 
         toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.drawer_open, R.string.drawer_close);
         toggle.syncState();
@@ -117,52 +175,179 @@ public class MainActivity extends AppCompatActivity {
 
             @Override
             public void onDrawerClosed(View drawerView) {
+                if(servicesShown) {
+                    toggleServices();
+                }
                 if (lastService != ServiceHelper.getSelectedServiceId(MainActivity.this)) {
                     new Handler(Looper.getMainLooper()).post(MainActivity.this::recreate);
                 }
             }
         });
 
-        drawerItems.setNavigationItemSelectedListener(this::changeService);
-
-        setupDrawerFooter();
+        drawerItems.setNavigationItemSelectedListener(this::drawerItemSelected);
         setupDrawerHeader();
     }
 
-
-    private boolean changeService(MenuItem item) {
-        if (item.getGroupId() == R.id.menu_services_group) {
-            drawerItems.getMenu().getItem(ServiceHelper.getSelectedServiceId(this)).setChecked(false);
-            ServiceHelper.setSelectedServiceId(this, item.getItemId());
-            drawerItems.getMenu().getItem(ServiceHelper.getSelectedServiceId(this)).setChecked(true);
-        } else {
-            return false;
+    private boolean drawerItemSelected(MenuItem item) {
+        switch (item.getGroupId()) {
+            case R.id.menu_services_group:
+                changeService(item);
+                break;
+            case R.id.menu_tabs_group:
+                try {
+                    tabSelected(item);
+                } catch (Exception e) {
+                    ErrorActivity.reportUiError(this, e);
+                }
+                break;
+            case R.id.menu_options_about_group:
+                optionsAboutSelected(item);
+                break;
+            default:
+                return false;
         }
+
         drawer.closeDrawers();
         return true;
     }
 
-    private void setupDrawerFooter() {
-        ImageButton settings = findViewById(R.id.drawer_settings);
-        ImageButton downloads = findViewById(R.id.drawer_downloads);
-        ImageButton history = findViewById(R.id.drawer_history);
+    private  void changeService(MenuItem item) {
+        drawerItems.getMenu().getItem(ServiceHelper.getSelectedServiceId(this)).setChecked(false);
+        ServiceHelper.setSelectedServiceId(this, item.getItemId());
+        drawerItems.getMenu().getItem(ServiceHelper.getSelectedServiceId(this)).setChecked(true);
+    }
 
-        settings.setOnClickListener(view -> NavigationHelper.openSettings(this));
-        downloads.setOnClickListener(view ->NavigationHelper.openDownloads(this));
-        history.setOnClickListener(view -> NavigationHelper.openHistory(this));
+    private void tabSelected(MenuItem item) throws ExtractionException {
+        switch(item.getItemId()) {
+            case ITEM_ID_SUBSCRIPTIONS:
+                NavigationHelper.openSubscriptionFragment(getSupportFragmentManager());
+                break;
+            case ITEM_ID_FEED:
+                NavigationHelper.openWhatsNewFragment(getSupportFragmentManager());
+                break;
+            case ITEM_ID_BOOKMARKS:
+                NavigationHelper.openBookmarksFragment(getSupportFragmentManager());
+                break;
+            case ITEM_ID_DOWNLOADS:
+                NavigationHelper.openDownloads(this);
+                break;
+            case ITEM_ID_HISTORY:
+                NavigationHelper.openStatisticFragment(getSupportFragmentManager());
+                break;
+            default:
+                int currentServiceId = ServiceHelper.getSelectedServiceId(this);
+                StreamingService service = NewPipe.getService(currentServiceId);
+                String serviceName = "";
+
+                int kioskId = 0;
+                for (final String ks : service.getKioskList().getAvailableKiosks()) {
+                    if(kioskId == item.getItemId()) {
+                        serviceName = ks;
+                    }
+                    kioskId ++;
+                }
+
+                NavigationHelper.openKioskFragment(getSupportFragmentManager(), currentServiceId, serviceName);
+                break;
+        }
+    }
+
+    private void optionsAboutSelected(MenuItem item) {
+        switch(item.getItemId()) {
+            case ITEM_ID_SETTINGS:
+                NavigationHelper.openSettings(this);
+                break;
+            case ITEM_ID_ABOUT:
+                NavigationHelper.openAbout(this);
+                break;
+        }
     }
 
     private void setupDrawerHeader() {
-        headerServiceView = findViewById(R.id.drawer_header_service_view);
-        Button action = findViewById(R.id.drawer_header_action_button);
+        NavigationView navigationView = findViewById(R.id.navigation);
+        View hView =  navigationView.getHeaderView(0);
+
+        serviceArrow = hView.findViewById(R.id.drawer_arrow);
+        headerServiceView = hView.findViewById(R.id.drawer_header_service_view);
+        Button action = hView.findViewById(R.id.drawer_header_action_button);
         action.setOnClickListener(view -> {
-            Intent intent = new Intent(Intent.ACTION_VIEW);
-            intent.setData(Uri.parse("https://newpipe.schabi.org/blog/"));
-            startActivity(intent);
-            drawer.closeDrawers();
+            toggleServices();
         });
     }
 
+    private void toggleServices() {
+        servicesShown = !servicesShown;
+
+        drawerItems.getMenu().removeGroup(R.id.menu_services_group);
+        drawerItems.getMenu().removeGroup(R.id.menu_tabs_group);
+        drawerItems.getMenu().removeGroup(R.id.menu_options_about_group);
+
+        if(servicesShown) {
+            showServices();
+        } else {
+            try {
+                showTabs();
+            } catch (Exception e) {
+                ErrorActivity.reportUiError(this, e);
+            }
+        }
+    }
+
+    private void showServices() {
+        serviceArrow.setImageResource(R.drawable.ic_arrow_up_white);
+
+        for(StreamingService s : NewPipe.getServices()) {
+            final String title = s.getServiceInfo().getName() +
+                    (ServiceHelper.isBeta(s) ? " (beta)" : "");
+
+            drawerItems.getMenu()
+                    .add(R.id.menu_services_group, s.getServiceId(), ORDER, title)
+                    .setIcon(ServiceHelper.getIcon(s.getServiceId()));
+        }
+        drawerItems.getMenu().getItem(ServiceHelper.getSelectedServiceId(this)).setChecked(true);
+    }
+
+    private void showTabs() throws ExtractionException {
+        serviceArrow.setImageResource(R.drawable.ic_arrow_down_white);
+
+        //Tabs
+        int currentServiceId = ServiceHelper.getSelectedServiceId(this);
+        StreamingService service = NewPipe.getService(currentServiceId);
+
+        int kioskId = 0;
+
+        for (final String ks : service.getKioskList().getAvailableKiosks()) {
+            drawerItems.getMenu()
+                    .add(R.id.menu_tabs_group, kioskId, ORDER, KioskTranslator.getTranslatedKioskName(ks, this))
+                    .setIcon(KioskTranslator.getKioskIcons(ks, this));
+            kioskId ++;
+        }
+
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_SUBSCRIPTIONS, ORDER, R.string.tab_subscriptions)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.ic_channel));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_FEED, ORDER, R.string.fragment_whats_new)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.rss));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_BOOKMARKS, ORDER, R.string.tab_bookmarks)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.ic_bookmark));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_DOWNLOADS, ORDER, R.string.downloads)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.download));
+        drawerItems.getMenu()
+                .add(R.id.menu_tabs_group, ITEM_ID_HISTORY, ORDER, R.string.action_history)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.history));
+
+        //Settings and About
+        drawerItems.getMenu()
+                .add(R.id.menu_options_about_group, ITEM_ID_SETTINGS, ORDER, R.string.settings)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.settings));
+        drawerItems.getMenu()
+                .add(R.id.menu_options_about_group, ITEM_ID_ABOUT, ORDER, R.string.tab_about)
+                .setIcon(ThemeHelper.resolveResourceIdFromAttr(this, R.attr.info));
+    }
+
     @Override
     protected void onDestroy() {
         super.onDestroy();
@@ -233,6 +418,26 @@ public class MainActivity extends AppCompatActivity {
         } else super.onBackPressed();
     }
 
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        for (int i: grantResults){
+            if (i == PackageManager.PERMISSION_DENIED){
+                return;
+            }
+        }
+        switch (requestCode) {
+            case PermissionHelper.DOWNLOADS_REQUEST_CODE:
+                NavigationHelper.openDownloads(this);
+                break;
+            case PermissionHelper.DOWNLOAD_DIALOG_REQUEST_CODE:
+                Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragment_holder);
+                if (fragment instanceof VideoDetailFragment) {
+                    ((VideoDetailFragment) fragment).openDownloadDialog();
+                }
+                break;
+        }
+    }
+
     /**
      * Implement the following diagram behavior for the up button:
      * <pre>
@@ -305,14 +510,14 @@ public class MainActivity extends AppCompatActivity {
             case android.R.id.home:
                 onHomeButtonPressed();
                 return true;
-            case R.id.action_settings:
-                NavigationHelper.openSettings(this);
-                return true;
             case R.id.action_show_downloads:
-                return NavigationHelper.openDownloads(this);
-            case R.id.action_about:
-                NavigationHelper.openAbout(this);
-                return true;
+                    return NavigationHelper.openDownloads(this);
+            case R.id.action_history:
+                    NavigationHelper.openStatisticFragment(getSupportFragmentManager());
+                    return true;
+            case R.id.action_settings:
+                    NavigationHelper.openSettings(this);
+                    return true;
             default:
                 return super.onOptionsItemSelected(item);
         }
@@ -356,31 +561,45 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private void handleIntent(Intent intent) {
-        if (DEBUG) Log.d(TAG, "handleIntent() called with: intent = [" + intent + "]");
+        try {
+            if (DEBUG) Log.d(TAG, "handleIntent() called with: intent = [" + intent + "]");
 
-        if (intent.hasExtra(Constants.KEY_LINK_TYPE)) {
-            String url = intent.getStringExtra(Constants.KEY_URL);
-            int serviceId = intent.getIntExtra(Constants.KEY_SERVICE_ID, 0);
-            String title = intent.getStringExtra(Constants.KEY_TITLE);
-            switch (((StreamingService.LinkType) intent.getSerializableExtra(Constants.KEY_LINK_TYPE))) {
-                case STREAM:
-                    boolean autoPlay = intent.getBooleanExtra(VideoDetailFragment.AUTO_PLAY, false);
-                    NavigationHelper.openVideoDetailFragment(getSupportFragmentManager(), serviceId, url, title, autoPlay);
-                    break;
-                case CHANNEL:
-                    NavigationHelper.openChannelFragment(getSupportFragmentManager(), serviceId, url, title);
-                    break;
-                case PLAYLIST:
-                    NavigationHelper.openPlaylistFragment(getSupportFragmentManager(), serviceId, url, title);
-                    break;
+            if (intent.hasExtra(Constants.KEY_LINK_TYPE)) {
+                String url = intent.getStringExtra(Constants.KEY_URL);
+                int serviceId = intent.getIntExtra(Constants.KEY_SERVICE_ID, 0);
+                String title = intent.getStringExtra(Constants.KEY_TITLE);
+                switch (((StreamingService.LinkType) intent.getSerializableExtra(Constants.KEY_LINK_TYPE))) {
+                    case STREAM:
+                        boolean autoPlay = intent.getBooleanExtra(VideoDetailFragment.AUTO_PLAY, false);
+                        NavigationHelper.openVideoDetailFragment(getSupportFragmentManager(), serviceId, url, title, autoPlay);
+                        break;
+                    case CHANNEL:
+                        NavigationHelper.openChannelFragment(getSupportFragmentManager(),
+                                serviceId,
+                                url,
+                                title);
+                        break;
+                    case PLAYLIST:
+                        NavigationHelper.openPlaylistFragment(getSupportFragmentManager(),
+                                serviceId,
+                                url,
+                                title);
+                        break;
+                }
+            } else if (intent.hasExtra(Constants.KEY_OPEN_SEARCH)) {
+                String searchString = intent.getStringExtra(Constants.KEY_SEARCH_STRING);
+                if (searchString == null) searchString = "";
+                int serviceId = intent.getIntExtra(Constants.KEY_SERVICE_ID, 0);
+                NavigationHelper.openSearchFragment(
+                        getSupportFragmentManager(),
+                        serviceId,
+                        searchString);
+
+            } else {
+                NavigationHelper.gotoMainFragment(getSupportFragmentManager());
             }
-        } else if (intent.hasExtra(Constants.KEY_OPEN_SEARCH)) {
-            String searchQuery = intent.getStringExtra(Constants.KEY_QUERY);
-            if (searchQuery == null) searchQuery = "";
-            int serviceId = intent.getIntExtra(Constants.KEY_SERVICE_ID, 0);
-            NavigationHelper.openSearchFragment(getSupportFragmentManager(), serviceId, searchQuery);
-        } else {
-            NavigationHelper.gotoMainFragment(getSupportFragmentManager());
+        } catch (Exception e) {
+            ErrorActivity.reportUiError(this, e);
         }
     }
 }

app/src/main/java/org/schabi/newpipe/RouterActivity.java

@@ -1,13 +1,19 @@
 package org.schabi.newpipe;
 
+import android.annotation.SuppressLint;
+import android.app.FragmentManager;
 import android.app.IntentService;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.annotation.DrawableRes;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
 import android.support.v4.app.NotificationCompat;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
@@ -22,30 +28,37 @@ import android.widget.RadioButton;
 import android.widget.RadioGroup;
 import android.widget.Toast;
 
+import org.schabi.newpipe.download.DownloadDialog;
 import org.schabi.newpipe.extractor.Info;
 import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.extractor.ServiceList;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.StreamingService.LinkType;
 import org.schabi.newpipe.extractor.channel.ChannelInfo;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
+import org.schabi.newpipe.extractor.stream.VideoStream;
+import org.schabi.newpipe.fragments.detail.VideoDetailFragment;
 import org.schabi.newpipe.player.helper.PlayerHelper;
-import org.schabi.newpipe.playlist.ChannelPlayQueue;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.PlaylistPlayQueue;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.player.playqueue.ChannelPlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.PlaylistPlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.ExtractorHelper;
+import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.ThemeHelper;
 
+import java.io.IOException;
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
+import java.util.List;
+import java.util.Observer;
 
 import icepick.Icepick;
 import icepick.State;
@@ -57,6 +70,8 @@ import io.reactivex.disposables.Disposable;
 import io.reactivex.functions.Consumer;
 import io.reactivex.schedulers.Schedulers;
 
+import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.AUDIO;
+import static org.schabi.newpipe.extractor.StreamingService.ServiceInfo.MediaCapability.VIDEO;
 import static org.schabi.newpipe.util.ThemeHelper.resolveResourceIdFromAttr;
 
 /**
@@ -64,18 +79,17 @@ import static org.schabi.newpipe.util.ThemeHelper.resolveResourceIdFromAttr;
  */
 public class RouterActivity extends AppCompatActivity {
 
-    @State
-    protected int currentServiceId = -1;
+    @State protected int currentServiceId = -1;
     private StreamingService currentService;
-    @State
-    protected LinkType currentLinkType;
-    @State
-    protected int selectedRadioPosition = -1;
+    @State protected LinkType currentLinkType;
+    @State protected int selectedRadioPosition = -1;
     protected int selectedPreviously = -1;
 
     protected String currentUrl;
     protected CompositeDisposable disposables = new CompositeDisposable();
 
+    private boolean selectionIsDownload = false;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -91,8 +105,7 @@ public class RouterActivity extends AppCompatActivity {
         }
 
         setTheme(ThemeHelper.isLightThemeSelected(this)
-                ? R.style.RouterActivityThemeLight
-                : R.style.RouterActivityThemeDark);
+                ? R.style.RouterActivityThemeLight : R.style.RouterActivityThemeDark);
     }
 
     @Override
@@ -104,7 +117,7 @@ public class RouterActivity extends AppCompatActivity {
     @Override
     protected void onStart() {
         super.onStart();
-
+        
         handleUrl(currentUrl);
     }
 
@@ -122,7 +135,7 @@ public class RouterActivity extends AppCompatActivity {
                         currentService = NewPipe.getServiceByUrl(url);
                         currentServiceId = currentService.getServiceId();
                         currentLinkType = currentService.getLinkTypeByUrl(url);
-                        currentUrl = NavigationHelper.getCleanUrl(currentService, url, currentLinkType);
+                        currentUrl = url;
                     } else {
                         currentService = NewPipe.getService(currentServiceId);
                     }
@@ -159,57 +172,72 @@ public class RouterActivity extends AppCompatActivity {
 
     protected void onSuccess() {
         final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
-        boolean isExtVideoEnabled = preferences.getBoolean(getString(R.string.use_external_video_player_key), false);
-        boolean isExtAudioEnabled = preferences.getBoolean(getString(R.string.use_external_audio_player_key), false);
+        final String selectedChoiceKey = preferences.getString(getString(R.string.preferred_open_action_key), getString(R.string.preferred_open_action_default));
 
-        if ((isExtAudioEnabled || isExtVideoEnabled) && currentLinkType != LinkType.STREAM) {
-            Toast.makeText(this, R.string.external_player_unsupported_link_type, Toast.LENGTH_LONG).show();
-            finish();
-            return;
-        }
-
-        // TODO: Add some sort of "capabilities" field to services (audio only, video and audio, etc.)
-        if (currentService == ServiceList.SoundCloud) {
-            handleChoice(getString(R.string.background_player_key));
-            return;
-        }
-
-        final String playerChoiceKey = preferences.getString(
-                getString(R.string.preferred_open_action_key),
-                getString(R.string.preferred_open_action_default));
+        final String showInfoKey = getString(R.string.show_info_key);
+        final String videoPlayerKey = getString(R.string.video_player_key);
+        final String backgroundPlayerKey = getString(R.string.background_player_key);
+        final String popupPlayerKey = getString(R.string.popup_player_key);
+        final String downloadKey = getString(R.string.download_key);
         final String alwaysAskKey = getString(R.string.always_ask_open_action_key);
 
-        if (playerChoiceKey.equals(alwaysAskKey)) {
-            showDialog();
+        if (selectedChoiceKey.equals(alwaysAskKey)) {
+            final List<AdapterChoiceItem> choices = getChoicesForService(currentService, currentLinkType);
+
+            if (choices.size() == 1) {
+                handleChoice(choices.get(0).key);
+            } else if (choices.size() == 0) {
+                handleChoice(showInfoKey);
+            } else {
+                showDialog(choices);
+            }
+        } else if (selectedChoiceKey.equals(showInfoKey)) {
+            handleChoice(showInfoKey);
+        } else if (selectedChoiceKey.equals(downloadKey)) {
+            handleChoice(downloadKey);
         } else {
-            handleChoice(playerChoiceKey);
+            final boolean isExtVideoEnabled = preferences.getBoolean(getString(R.string.use_external_video_player_key), false);
+            final boolean isExtAudioEnabled = preferences.getBoolean(getString(R.string.use_external_audio_player_key), false);
+            final boolean isVideoPlayerSelected = selectedChoiceKey.equals(videoPlayerKey) || selectedChoiceKey.equals(popupPlayerKey);
+            final boolean isAudioPlayerSelected = selectedChoiceKey.equals(backgroundPlayerKey);
+
+            if (currentLinkType != LinkType.STREAM) {
+                if (isExtAudioEnabled && isAudioPlayerSelected || isExtVideoEnabled && isVideoPlayerSelected) {
+                    Toast.makeText(this, R.string.external_player_unsupported_link_type, Toast.LENGTH_LONG).show();
+                    handleChoice(showInfoKey);
+                    return;
+                }
+            }
+
+            final List<StreamingService.ServiceInfo.MediaCapability> capabilities = currentService.getServiceInfo().getMediaCapabilities();
+
+            boolean serviceSupportsChoice = false;
+            if (isVideoPlayerSelected) {
+                serviceSupportsChoice = capabilities.contains(VIDEO);
+            } else if (selectedChoiceKey.equals(backgroundPlayerKey)) {
+                serviceSupportsChoice = capabilities.contains(AUDIO);
+            }
+
+            if (serviceSupportsChoice) {
+                handleChoice(selectedChoiceKey);
+            } else {
+                handleChoice(showInfoKey);
+            }
         }
     }
 
-    private void showDialog() {
-        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
-        final ContextThemeWrapper themeWrapper = new ContextThemeWrapper(this,
-                ThemeHelper.isLightThemeSelected(this) ? R.style.LightTheme : R.style.DarkTheme);
+    private void showDialog(final List<AdapterChoiceItem> choices) {
+        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
+        final Context themeWrapperContext = getThemeWrapperContext();
 
-        LayoutInflater inflater = LayoutInflater.from(themeWrapper);
+        final LayoutInflater inflater = LayoutInflater.from(themeWrapperContext);
         final LinearLayout rootLayout = (LinearLayout) inflater.inflate(R.layout.preferred_player_dialog_view, null, false);
         final RadioGroup radioGroup = rootLayout.findViewById(android.R.id.list);
 
-        final AdapterChoiceItem[] choices = {
-                new AdapterChoiceItem(getString(R.string.show_info_key), getString(R.string.show_info),
-                        resolveResourceIdFromAttr(themeWrapper, R.attr.info)),
-                new AdapterChoiceItem(getString(R.string.video_player_key), getString(R.string.video_player),
-                        resolveResourceIdFromAttr(themeWrapper, R.attr.play)),
-                new AdapterChoiceItem(getString(R.string.background_player_key), getString(R.string.background_player),
-                        resolveResourceIdFromAttr(themeWrapper, R.attr.audio)),
-                new AdapterChoiceItem(getString(R.string.popup_player_key), getString(R.string.popup_player),
-                        resolveResourceIdFromAttr(themeWrapper, R.attr.popup))
-        };
-
         final DialogInterface.OnClickListener dialogButtonsClickListener = (dialog, which) -> {
             final int indexOfChild = radioGroup.indexOfChild(
                     radioGroup.findViewById(radioGroup.getCheckedRadioButtonId()));
-            final AdapterChoiceItem choice = choices[indexOfChild];
+            final AdapterChoiceItem choice = choices.get(indexOfChild);
 
             handleChoice(choice.key);
 
@@ -218,15 +246,18 @@ public class RouterActivity extends AppCompatActivity {
             }
         };
 
-        final AlertDialog alertDialog = new AlertDialog.Builder(themeWrapper)
-                .setTitle(R.string.preferred_player_share_menu_title)
+        final AlertDialog alertDialog = new AlertDialog.Builder(themeWrapperContext)
+                .setTitle(R.string.preferred_open_action_share_menu_title)
                 .setView(radioGroup)
                 .setCancelable(true)
                 .setNegativeButton(R.string.just_once, dialogButtonsClickListener)
                 .setPositiveButton(R.string.always, dialogButtonsClickListener)
-                .setOnDismissListener((dialog) -> finish())
+                .setOnDismissListener((dialog) -> {
+                    if(!selectionIsDownload) finish();
+                })
                 .create();
 
+        //noinspection CodeBlock2Expr
         alertDialog.setOnShowListener(dialog -> {
             setDialogButtonsState(alertDialog, radioGroup.getCheckedRadioButtonId() != -1);
         });
@@ -240,7 +271,7 @@ public class RouterActivity extends AppCompatActivity {
             selectedRadioPosition = indexOfChild;
 
             if (selectedPreviously == selectedRadioPosition) {
-                handleChoice(choices[selectedRadioPosition].key);
+                handleChoice(choices.get(selectedRadioPosition).key);
             }
         };
 
@@ -259,8 +290,8 @@ public class RouterActivity extends AppCompatActivity {
         if (selectedRadioPosition == -1) {
             final String lastSelectedPlayer = preferences.getString(getString(R.string.preferred_open_action_last_selected_key), null);
             if (!TextUtils.isEmpty(lastSelectedPlayer)) {
-                for (int i = 0; i < choices.length; i++) {
-                    AdapterChoiceItem c = choices[i];
+                for (int i = 0; i < choices.size(); i++) {
+                    AdapterChoiceItem c = choices.get(i);
                     if (lastSelectedPlayer.equals(c.key)) {
                         selectedRadioPosition = i;
                         break;
@@ -269,7 +300,7 @@ public class RouterActivity extends AppCompatActivity {
             }
         }
 
-        selectedRadioPosition = Math.min(Math.max(-1, selectedRadioPosition), choices.length - 1);
+        selectedRadioPosition = Math.min(Math.max(-1, selectedRadioPosition), choices.size() - 1);
         if (selectedRadioPosition != -1) {
             ((RadioButton) radioGroup.getChildAt(selectedRadioPosition)).setChecked(true);
         }
@@ -278,6 +309,42 @@ public class RouterActivity extends AppCompatActivity {
         alertDialog.show();
     }
 
+    private List<AdapterChoiceItem> getChoicesForService(StreamingService service, LinkType linkType) {
+        final Context context = getThemeWrapperContext();
+
+        final List<AdapterChoiceItem> returnList = new ArrayList<>();
+        final List<StreamingService.ServiceInfo.MediaCapability> capabilities = service.getServiceInfo().getMediaCapabilities();
+
+        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
+        boolean isExtVideoEnabled = preferences.getBoolean(getString(R.string.use_external_video_player_key), false);
+        boolean isExtAudioEnabled = preferences.getBoolean(getString(R.string.use_external_audio_player_key), false);
+
+        returnList.add(new AdapterChoiceItem(getString(R.string.show_info_key), getString(R.string.show_info),
+                resolveResourceIdFromAttr(context, R.attr.info)));
+
+        if (capabilities.contains(VIDEO) && !(isExtVideoEnabled && linkType != LinkType.STREAM)) {
+            returnList.add(new AdapterChoiceItem(getString(R.string.video_player_key), getString(R.string.video_player),
+                    resolveResourceIdFromAttr(context, R.attr.play)));
+            returnList.add(new AdapterChoiceItem(getString(R.string.popup_player_key), getString(R.string.popup_player),
+                    resolveResourceIdFromAttr(context, R.attr.popup)));
+        }
+
+        if (capabilities.contains(AUDIO) && !(isExtAudioEnabled && linkType != LinkType.STREAM)) {
+            returnList.add(new AdapterChoiceItem(getString(R.string.background_player_key), getString(R.string.background_player),
+                    resolveResourceIdFromAttr(context, R.attr.audio)));
+        }
+
+        returnList.add(new AdapterChoiceItem(getString(R.string.download_key), getString(R.string.download),
+                resolveResourceIdFromAttr(context, R.attr.download)));
+
+        return returnList;
+    }
+
+    private Context getThemeWrapperContext() {
+        return new ContextThemeWrapper(this,
+                ThemeHelper.isLightThemeSelected(this) ? R.style.LightTheme : R.style.DarkTheme);
+    }
+
     private void setDialogButtonsState(AlertDialog dialog, boolean state) {
         final Button negativeButton = dialog.getButton(DialogInterface.BUTTON_NEGATIVE);
         final Button positiveButton = dialog.getButton(DialogInterface.BUTTON_POSITIVE);
@@ -287,25 +354,31 @@ public class RouterActivity extends AppCompatActivity {
         positiveButton.setEnabled(state);
     }
 
-    private void handleChoice(final String playerChoiceKey) {
-        if (Arrays.asList(getResources()
-                .getStringArray(R.array.preferred_open_action_values_list))
-                .contains(playerChoiceKey)) {
+    private void handleChoice(final String selectedChoiceKey) {
+        final List<String> validChoicesList = Arrays.asList(getResources().getStringArray(R.array.preferred_open_action_values_list));
+        if (validChoicesList.contains(selectedChoiceKey)) {
             PreferenceManager.getDefaultSharedPreferences(this).edit()
-                    .putString(getString(R.string.preferred_open_action_last_selected_key),
-                            playerChoiceKey).apply();
+                    .putString(getString(R.string.preferred_open_action_last_selected_key), selectedChoiceKey)
+                    .apply();
         }
 
-        if (playerChoiceKey.equals(getString(R.string.popup_player_key))
-                && !PermissionHelper.isPopupEnabled(this)) {
+        if (selectedChoiceKey.equals(getString(R.string.popup_player_key)) && !PermissionHelper.isPopupEnabled(this)) {
             PermissionHelper.showPopupEnablementToast(this);
             finish();
             return;
         }
 
+        if (selectedChoiceKey.equals(getString(R.string.download_key))) {
+            if (PermissionHelper.checkStoragePermissions(this, PermissionHelper.DOWNLOAD_DIALOG_REQUEST_CODE)) {
+                selectionIsDownload = true;
+                openDownloadDialog();
+            }
+            return;
+        }
+
         // stop and bypass FetcherService if InfoScreen was selected since
         // StreamDetailFragment can fetch data itself
-        if(playerChoiceKey.equals(getString(R.string.show_info_key))) {
+        if (selectedChoiceKey.equals(getString(R.string.show_info_key))) {
             disposables.add(Observable
                     .fromCallable(() -> NavigationHelper.getIntentByLink(this, currentUrl))
                     .subscribeOn(Schedulers.io())
@@ -322,20 +395,57 @@ public class RouterActivity extends AppCompatActivity {
         }
 
         final Intent intent = new Intent(this, FetcherService.class);
-        intent.putExtra(FetcherService.KEY_CHOICE,
-                new Choice(currentService.getServiceId(),
-                        currentLinkType,
-                        currentUrl,
-                        playerChoiceKey));
+        final Choice choice = new Choice(currentService.getServiceId(), currentLinkType, currentUrl, selectedChoiceKey);
+        intent.putExtra(FetcherService.KEY_CHOICE, choice);
         startService(intent);
 
         finish();
     }
 
+    @SuppressLint("CheckResult")
+    private void openDownloadDialog() {
+        ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, true)
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe((@NonNull StreamInfo result) -> {
+                    List<VideoStream> sortedVideoStreams = ListHelper.getSortedStreamVideosList(this,
+                            result.getVideoStreams(),
+                            result.getVideoOnlyStreams(),
+                            false);
+                    int selectedVideoStreamIndex = ListHelper.getDefaultResolutionIndex(this,
+                            sortedVideoStreams);
+
+                    android.support.v4.app.FragmentManager fm = getSupportFragmentManager();
+                    DownloadDialog downloadDialog = DownloadDialog.newInstance(result);
+                    downloadDialog.setVideoStreams(sortedVideoStreams);
+                    downloadDialog.setAudioStreams(result.getAudioStreams());
+                    downloadDialog.setSelectedVideoStream(selectedVideoStreamIndex);
+                    downloadDialog.show(fm, "downloadDialog");
+                    fm.executePendingTransactions();
+                    downloadDialog.getDialog().setOnDismissListener(dialog -> {
+                        finish();
+                    });
+                }, (@NonNull Throwable throwable) -> {
+                    onError();
+                });
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        for (int i: grantResults){
+            if (i == PackageManager.PERMISSION_DENIED){
+                finish();
+                return;
+            }
+        }
+        if (requestCode == PermissionHelper.DOWNLOAD_DIALOG_REQUEST_CODE) {
+            openDownloadDialog();
+        }
+    }
+
     private static class AdapterChoiceItem {
         final String description, key;
-        @DrawableRes
-        final int icon;
+        @DrawableRes final int icon;
 
         AdapterChoiceItem(String key, String description, int icon) {
             this.description = description;
@@ -554,7 +664,7 @@ public class RouterActivity extends AppCompatActivity {
      * @param sharedText text to scan for URLs.
      * @return potential URLs
      */
-    protected String[] getUris(final String sharedText)  {
+    protected String[] getUris(final String sharedText) {
         final Collection<String> result = new HashSet<>();
         if (sharedText != null) {
             final String[] array = sharedText.split("\\p{Space}");

app/src/main/java/org/schabi/newpipe/about/AboutActivity.java

@@ -32,7 +32,6 @@ public class AboutActivity extends AppCompatActivity {
             new SoftwareComponent("Giga Get", "2014", "Peter Cai", "https://github.com/PaperAirplane-Dev-Team/GigaGet", StandardLicenses.GPL2),
             new SoftwareComponent("NewPipe Extractor", "2017", "Christian Schabesberger", "https://github.com/TeamNewPipe/NewPipeExtractor", StandardLicenses.GPL3),
             new SoftwareComponent("Jsoup", "2017", "Jonathan Hedley", "https://github.com/jhy/jsoup", StandardLicenses.MIT),
-            new SoftwareComponent("Google Gson", "2008", "Google Inc", "https://github.com/google/gson", StandardLicenses.APACHE2),
             new SoftwareComponent("Rhino", "2015", "Mozilla", "https://www.mozilla.org/rhino/", StandardLicenses.MPL2),
             new SoftwareComponent("ACRA", "2013", "Kevin Gaudin", "http://www.acra.ch", StandardLicenses.APACHE2),
             new SoftwareComponent("Universal Image Loader", "2011 - 2015", "Sergey Tarasevich", "https://github.com/nostra13/Android-Universal-Image-Loader", StandardLicenses.APACHE2),
@@ -129,47 +128,31 @@ public class AboutActivity extends AppCompatActivity {
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                  Bundle savedInstanceState) {
             View rootView = inflater.inflate(R.layout.fragment_about, container, false);
+            Context context = this.getContext();
+
             TextView version = rootView.findViewById(R.id.app_version);
             version.setText(BuildConfig.VERSION_NAME);
 
             View githubLink = rootView.findViewById(R.id.github_link);
-            githubLink.setOnClickListener(new OnGithubLinkClickListener());
+            githubLink.setOnClickListener(nv -> openWebsite(context.getString(R.string.github_url), context));
 
             View donationLink = rootView.findViewById(R.id.donation_link);
-            donationLink.setOnClickListener(new OnDonationLinkClickListener());
+            donationLink.setOnClickListener(v -> openWebsite(context.getString(R.string.donation_url), context));
 
             View websiteLink = rootView.findViewById(R.id.website_link);
-            websiteLink.setOnClickListener(new OnWebsiteLinkClickListener());
+            websiteLink.setOnClickListener(nv -> openWebsite(context.getString(R.string.website_url), context));
+
+            View privacyPolicyLink = rootView.findViewById(R.id.privacy_policy_link);
+            privacyPolicyLink.setOnClickListener(v -> openWebsite(context.getString(R.string.privacy_policy_url), context));
 
             return rootView;
         }
 
-        private static class OnGithubLinkClickListener implements View.OnClickListener {
-            @Override
-            public void onClick(final View view) {
-                final Context context = view.getContext();
-                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(context.getString(R.string.github_url)));
-                context.startActivity(intent);
-            }
+        private void openWebsite(String url, Context context) {
+            Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
+            context.startActivity(intent);
         }
 
-        private static class OnDonationLinkClickListener implements View.OnClickListener {
-            @Override
-            public void onClick(final View view) {
-                final Context context = view.getContext();
-                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(context.getString(R.string.donation_url)));
-                context.startActivity(intent);
-            }
-        }
-
-        private static class OnWebsiteLinkClickListener implements View.OnClickListener {
-            @Override
-            public void onClick(final View view) {
-                final Context context = view.getContext();
-                Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(context.getString(R.string.website_url)));
-                context.startActivity(intent);
-            }
-        }
     }
 
 

app/src/main/java/org/schabi/newpipe/about/LicenseFragment.java

@@ -1,5 +1,6 @@
 package org.schabi.newpipe.about;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
@@ -39,7 +40,7 @@ public class LicenseFragment extends Fragment {
      * @param license the license to show
      */
     public static void showLicense(Context context, License license) {
-        new LicenseFragmentHelper().execute(context, license);
+        new LicenseFragmentHelper((Activity) context).execute(license);
     }
 
     @Override

app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.java

@@ -1,8 +1,11 @@
 package org.schabi.newpipe.about;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.support.v7.app.AlertDialog;
 import android.webkit.WebView;
 import org.schabi.newpipe.R;
@@ -10,26 +13,46 @@ import org.schabi.newpipe.util.ThemeHelper;
 
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
+import java.lang.ref.WeakReference;
 
 public class LicenseFragmentHelper extends AsyncTask<Object, Void, Integer> {
 
-    private Context context;
+    WeakReference<Activity> weakReference;
     private License license;
 
+    public LicenseFragmentHelper(@Nullable Activity activity) {
+        weakReference = new WeakReference<>(activity);
+    }
+
+    @Nullable
+    private Activity getActivity() {
+        Activity activity = weakReference.get();
+
+        if (activity != null && activity.isFinishing()) {
+            return null;
+        } else {
+            return activity;
+        }
+    }
+
     @Override
     protected Integer doInBackground(Object... objects) {
-        context = (Context) objects[0];
-        license = (License) objects[1];
+        license = (License) objects[0];
         return 1;
     }
 
     @Override
-    protected void onPostExecute(Integer result){
-        String webViewData = getFormattedLicense(context, license);
-        AlertDialog.Builder alert = new AlertDialog.Builder(context);
+    protected void onPostExecute(Integer result) {
+        Activity activity = getActivity();
+        if (activity == null) {
+            return;
+        }
+
+        String webViewData = getFormattedLicense(activity, license);
+        AlertDialog.Builder alert = new AlertDialog.Builder(activity);
         alert.setTitle(license.getName());
 
-        WebView wv = new WebView(context);
+        WebView wv = new WebView(activity);
         wv.loadData(webViewData, "text/html; charset=UTF-8", null);
 
         alert.setView(wv);

app/src/main/java/org/schabi/newpipe/database/playlist/model/PlaylistRemoteEntity.java

@@ -71,6 +71,14 @@ public class PlaylistRemoteEntity implements PlaylistLocalItem {
                 info.getUploaderName(), info.getStreamCount());
     }
 
+    @Ignore
+    public boolean isIdenticalTo(final PlaylistInfo info) {
+        return getServiceId() == info.getServiceId() && getName().equals(info.getName()) &&
+                getStreamCount() == info.getStreamCount() && getUrl().equals(info.getUrl()) &&
+                getThumbnailUrl().equals(info.getThumbnailUrl()) &&
+                getUploader().equals(info.getUploaderName());
+    }
+
     public long getUid() {
         return uid;
     }

app/src/main/java/org/schabi/newpipe/database/stream/model/StreamEntity.java

@@ -9,7 +9,7 @@ import android.arch.persistence.room.PrimaryKey;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamType;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 import org.schabi.newpipe.util.Constants;
 
 import java.io.Serializable;

app/src/main/java/org/schabi/newpipe/download/DeleteDownloadManager.java

@@ -0,0 +1,158 @@
+package org.schabi.newpipe.download;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.design.widget.BaseTransientBottomBar;
+import android.support.design.widget.Snackbar;
+import android.view.View;
+
+import org.schabi.newpipe.R;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import io.reactivex.Completable;
+import io.reactivex.Observable;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.schedulers.Schedulers;
+import io.reactivex.subjects.PublishSubject;
+import us.shandian.giga.get.DownloadManager;
+import us.shandian.giga.get.DownloadMission;
+
+public class DeleteDownloadManager {
+
+    private static final String KEY_STATE = "delete_manager_state";
+
+    private View mView;
+    private HashSet<String> mPendingMap;
+    private List<Disposable> mDisposableList;
+    private DownloadManager mDownloadManager;
+    private PublishSubject<DownloadMission> publishSubject = PublishSubject.create();
+
+    DeleteDownloadManager(Activity activity) {
+        mPendingMap = new HashSet<>();
+        mDisposableList = new ArrayList<>();
+        mView = activity.findViewById(android.R.id.content);
+    }
+
+    public Observable<DownloadMission> getUndoObservable() {
+        return publishSubject;
+    }
+
+    public boolean contains(@NonNull DownloadMission mission) {
+        return mPendingMap.contains(mission.url);
+    }
+
+    public void add(@NonNull DownloadMission mission) {
+        mPendingMap.add(mission.url);
+
+        if (mPendingMap.size() == 1) {
+            showUndoDeleteSnackbar(mission);
+        }
+    }
+
+    public void setDownloadManager(@NonNull DownloadManager downloadManager) {
+        mDownloadManager = downloadManager;
+
+        if (mPendingMap.size() < 1) return;
+
+        showUndoDeleteSnackbar();
+    }
+
+    public void restoreState(@Nullable Bundle savedInstanceState) {
+        if (savedInstanceState == null) return;
+
+        List<String> list = savedInstanceState.getStringArrayList(KEY_STATE);
+        if (list != null) {
+            mPendingMap.addAll(list);
+        }
+    }
+
+    public void saveState(@Nullable Bundle outState) {
+        if (outState == null) return;
+
+        for (Disposable disposable : mDisposableList) {
+            disposable.dispose();
+        }
+
+        outState.putStringArrayList(KEY_STATE, new ArrayList<>(mPendingMap));
+    }
+
+    private void showUndoDeleteSnackbar() {
+        if (mPendingMap.size() < 1) return;
+
+        String url = mPendingMap.iterator().next();
+
+        for (int i = 0; i < mDownloadManager.getCount(); i++) {
+            DownloadMission mission = mDownloadManager.getMission(i);
+            if (url.equals(mission.url)) {
+                showUndoDeleteSnackbar(mission);
+                break;
+            }
+        }
+    }
+
+    private void showUndoDeleteSnackbar(@NonNull DownloadMission mission) {
+        final Snackbar snackbar = Snackbar.make(mView, mission.name, Snackbar.LENGTH_INDEFINITE);
+        final Disposable disposable = Observable.timer(3, TimeUnit.SECONDS)
+                .subscribeOn(AndroidSchedulers.mainThread())
+                .subscribe(l -> snackbar.dismiss());
+
+        mDisposableList.add(disposable);
+
+        snackbar.setAction(R.string.undo, v -> {
+            mPendingMap.remove(mission.url);
+            publishSubject.onNext(mission);
+            disposable.dispose();
+            snackbar.dismiss();
+        });
+
+        snackbar.addCallback(new BaseTransientBottomBar.BaseCallback<Snackbar>() {
+            @Override
+            public void onDismissed(Snackbar transientBottomBar, int event) {
+                if (!disposable.isDisposed()) {
+                    Completable.fromAction(() -> deletePending(mission))
+                            .subscribeOn(Schedulers.io())
+                            .subscribe();
+                }
+                mPendingMap.remove(mission.url);
+                snackbar.removeCallback(this);
+                mDisposableList.remove(disposable);
+                showUndoDeleteSnackbar();
+            }
+        });
+
+        snackbar.show();
+    }
+
+    public void deletePending() {
+        if (mPendingMap.size() < 1) return;
+
+        HashSet<Integer> idSet = new HashSet<>();
+        for (int i = 0; i < mDownloadManager.getCount(); i++) {
+            if (contains(mDownloadManager.getMission(i))) {
+                idSet.add(i);
+            }
+        }
+
+        for (Integer id : idSet) {
+            mDownloadManager.deleteMission(id);
+        }
+
+        mPendingMap.clear();
+    }
+
+    private void deletePending(@NonNull DownloadMission mission) {
+        for (int i = 0; i < mDownloadManager.getCount(); i++) {
+            if (mission.url.equals(mDownloadManager.getMission(i).url)) {
+                mDownloadManager.deleteMission(i);
+                break;
+            }
+        }
+    }
+}

app/src/main/java/org/schabi/newpipe/download/DownloadActivity.java

@@ -15,12 +15,17 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.settings.SettingsActivity;
 import org.schabi.newpipe.util.ThemeHelper;
 
+import io.reactivex.Completable;
+import io.reactivex.schedulers.Schedulers;
 import us.shandian.giga.service.DownloadManagerService;
 import us.shandian.giga.ui.fragment.AllMissionsFragment;
 import us.shandian.giga.ui.fragment.MissionsFragment;
 
 public class DownloadActivity extends AppCompatActivity {
 
+    private static final String MISSIONS_FRAGMENT_TAG = "fragment_tag";
+    private DeleteDownloadManager mDeleteDownloadManager;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         // Service
@@ -42,21 +47,35 @@ public class DownloadActivity extends AppCompatActivity {
             actionBar.setDisplayShowTitleEnabled(true);
         }
 
-        // Fragment
-        getWindow().getDecorView().getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
-            @Override
-            public void onGlobalLayout() {
-                updateFragments();
-                getWindow().getDecorView().getViewTreeObserver().removeGlobalOnLayoutListener(this);
-            }
-        });
+        mDeleteDownloadManager = new DeleteDownloadManager(this);
+        mDeleteDownloadManager.restoreState(savedInstanceState);
+
+        MissionsFragment fragment = (MissionsFragment) getFragmentManager().findFragmentByTag(MISSIONS_FRAGMENT_TAG);
+        if (fragment != null) {
+            fragment.setDeleteManager(mDeleteDownloadManager);
+        } else {
+            getWindow().getDecorView().getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
+                @Override
+                public void onGlobalLayout() {
+                    updateFragments();
+                    getWindow().getDecorView().getViewTreeObserver().removeGlobalOnLayoutListener(this);
+                }
+            });
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        mDeleteDownloadManager.saveState(outState);
+        super.onSaveInstanceState(outState);
     }
 
     private void updateFragments() {
-
         MissionsFragment fragment = new AllMissionsFragment();
+        fragment.setDeleteManager(mDeleteDownloadManager);
+
         getFragmentManager().beginTransaction()
-                .replace(R.id.frame, fragment)
+                .replace(R.id.frame, fragment, MISSIONS_FRAGMENT_TAG)
                 .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE)
                 .commit();
     }
@@ -80,6 +99,7 @@ public class DownloadActivity extends AppCompatActivity {
             case R.id.action_settings: {
                 Intent intent = new Intent(this, SettingsActivity.class);
                 startActivity(intent);
+                deletePending();
                 return true;
             }
             default:
@@ -87,4 +107,15 @@ public class DownloadActivity extends AppCompatActivity {
         }
     }
 
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        deletePending();
+    }
+
+    private void deletePending() {
+        Completable.fromAction(mDeleteDownloadManager::deletePending)
+                .subscribeOn(Schedulers.io())
+                .subscribe();
+    }
 }

app/src/main/java/org/schabi/newpipe/download/DownloadDialog.java

@@ -1,56 +1,61 @@
 package org.schabi.newpipe.download;
 
+import android.content.Context;
 import android.os.Bundle;
 import android.support.annotation.IdRes;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.DialogFragment;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
 import android.view.LayoutInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
 import android.widget.EditText;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;
 import android.widget.SeekBar;
 import android.widget.Spinner;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import org.schabi.newpipe.MainActivity;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.MediaFormat;
 import org.schabi.newpipe.extractor.stream.AudioStream;
+import org.schabi.newpipe.extractor.stream.Stream;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.VideoStream;
-import org.schabi.newpipe.fragments.detail.SpinnerToolbarAdapter;
 import org.schabi.newpipe.settings.NewPipeSettings;
 import org.schabi.newpipe.util.FilenameUtils;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.PermissionHelper;
+import org.schabi.newpipe.util.StreamItemAdapter;
+import org.schabi.newpipe.util.StreamItemAdapter.StreamSizeWrapper;
 import org.schabi.newpipe.util.ThemeHelper;
 
-import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
+import icepick.Icepick;
+import icepick.State;
+import io.reactivex.disposables.CompositeDisposable;
 import us.shandian.giga.service.DownloadManagerService;
 
 public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheckedChangeListener, AdapterView.OnItemSelectedListener {
     private static final String TAG = "DialogFragment";
     private static final boolean DEBUG = MainActivity.DEBUG;
 
-    private static final String INFO_KEY = "info_key";
-    private static final String SORTED_VIDEOS_LIST_KEY = "sorted_videos_list_key";
-    private static final String SELECTED_VIDEO_KEY = "selected_video_key";
-    private static final String SELECTED_AUDIO_KEY = "selected_audio_key";
+    @State protected StreamInfo currentInfo;
+    @State protected StreamSizeWrapper<AudioStream> wrappedAudioStreams = StreamSizeWrapper.empty();
+    @State protected StreamSizeWrapper<VideoStream> wrappedVideoStreams = StreamSizeWrapper.empty();
+    @State protected int selectedVideoIndex = 0;
+    @State protected int selectedAudioIndex = 0;
 
-    private StreamInfo currentInfo;
-    private ArrayList<VideoStream> sortedStreamVideosList;
-    private int selectedVideoIndex;
-    private int selectedAudioIndex;
+    private StreamItemAdapter<AudioStream> audioStreamsAdapter;
+    private StreamItemAdapter<VideoStream> videoStreamsAdapter;
+
+    private CompositeDisposable disposables = new CompositeDisposable();
 
     private EditText nameEditText;
     private Spinner streamsSpinner;
@@ -58,17 +63,50 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
     private TextView threadsCountTextView;
     private SeekBar threadsSeekBar;
 
-    public static DownloadDialog newInstance(StreamInfo info, ArrayList<VideoStream> sortedStreamVideosList, int selectedVideoIndex) {
+    public static DownloadDialog newInstance(StreamInfo info) {
         DownloadDialog dialog = new DownloadDialog();
-        dialog.setInfo(info, sortedStreamVideosList, selectedVideoIndex);
-        dialog.setStyle(DialogFragment.STYLE_NO_TITLE, 0);
+        dialog.setInfo(info);
         return dialog;
     }
 
-    private void setInfo(StreamInfo info, ArrayList<VideoStream> sortedStreamVideosList, int selectedVideoIndex) {
+    public static DownloadDialog newInstance(Context context, StreamInfo info) {
+        final ArrayList<VideoStream> streamsList = new ArrayList<>(ListHelper.getSortedStreamVideosList(context,
+                info.getVideoStreams(), info.getVideoOnlyStreams(), false));
+        final int selectedStreamIndex = ListHelper.getDefaultResolutionIndex(context, streamsList);
+
+        final DownloadDialog instance = newInstance(info);
+        instance.setVideoStreams(streamsList);
+        instance.setSelectedVideoStream(selectedStreamIndex);
+        instance.setAudioStreams(info.getAudioStreams());
+        return instance;
+    }
+
+    private void setInfo(StreamInfo info) {
         this.currentInfo = info;
+    }
+
+    public void setAudioStreams(List<AudioStream> audioStreams) {
+        setAudioStreams(new StreamSizeWrapper<>(audioStreams));
+    }
+
+    public void setAudioStreams(StreamSizeWrapper<AudioStream> wrappedAudioStreams) {
+        this.wrappedAudioStreams = wrappedAudioStreams;
+    }
+
+    public void setVideoStreams(List<VideoStream> videoStreams) {
+        setVideoStreams(new StreamSizeWrapper<>(videoStreams));
+    }
+
+    public void setVideoStreams(StreamSizeWrapper<VideoStream> wrappedVideoStreams) {
+        this.wrappedVideoStreams = wrappedVideoStreams;
+    }
+
+    public void setSelectedVideoStream(int selectedVideoIndex) {
         this.selectedVideoIndex = selectedVideoIndex;
-        this.sortedStreamVideosList = sortedStreamVideosList;
+    }
+
+    public void setSelectedAudioStream(int selectedAudioIndex) {
+        this.selectedAudioIndex = selectedAudioIndex;
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -79,33 +117,26 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
     public void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         if (DEBUG) Log.d(TAG, "onCreate() called with: savedInstanceState = [" + savedInstanceState + "]");
-        if (!PermissionHelper.checkStoragePermissions(getActivity())) {
+        if (!PermissionHelper.checkStoragePermissions(getActivity(), PermissionHelper.DOWNLOAD_DIALOG_REQUEST_CODE)) {
             getDialog().dismiss();
             return;
         }
 
-        if (savedInstanceState != null) {
-            Serializable serial = savedInstanceState.getSerializable(INFO_KEY);
-            if (serial instanceof StreamInfo) currentInfo = (StreamInfo) serial;
+        setStyle(STYLE_NO_TITLE, ThemeHelper.getDialogTheme(getContext()));
+        Icepick.restoreInstanceState(this, savedInstanceState);
 
-            serial = savedInstanceState.getSerializable(SORTED_VIDEOS_LIST_KEY);
-            if (serial instanceof ArrayList) { //noinspection unchecked
-                sortedStreamVideosList = (ArrayList<VideoStream>) serial;
-            }
-
-            selectedVideoIndex = savedInstanceState.getInt(SELECTED_VIDEO_KEY, 0);
-            selectedAudioIndex = savedInstanceState.getInt(SELECTED_AUDIO_KEY, 0);
-        }
+        this.videoStreamsAdapter = new StreamItemAdapter<>(getContext(), wrappedVideoStreams, true);
+        this.audioStreamsAdapter = new StreamItemAdapter<>(getContext(), wrappedAudioStreams);
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         if (DEBUG) Log.d(TAG, "onCreateView() called with: inflater = [" + inflater + "], container = [" + container + "], savedInstanceState = [" + savedInstanceState + "]");
-        return inflater.inflate(R.layout.dialog_url, container);
+        return inflater.inflate(R.layout.download_dialog, container);
     }
 
     @Override
-    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         nameEditText = view.findViewById(R.id.file_name);
         nameEditText.setText(FilenameUtils.createFilename(getContext(), currentInfo.getName()));
@@ -116,12 +147,12 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
 
         threadsCountTextView = view.findViewById(R.id.threads_count);
         threadsSeekBar = view.findViewById(R.id.threads);
+
         radioVideoAudioGroup = view.findViewById(R.id.video_audio_group);
         radioVideoAudioGroup.setOnCheckedChangeListener(this);
 
-        initToolbar(view.<Toolbar>findViewById(R.id.toolbar));
-        checkDownloadOptions(view);
-        setupVideoSpinner(sortedStreamVideosList, streamsSpinner);
+        initToolbar(view.findViewById(R.id.toolbar));
+        setupDownloadOptions();
 
         int def = 3;
         threadsCountTextView.setText(String.valueOf(def));
@@ -141,15 +172,35 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
             public void onStopTrackingTouch(SeekBar p1) {
             }
         });
+
+        fetchStreamsSize();
+    }
+
+    private void fetchStreamsSize() {
+        disposables.clear();
+
+        disposables.add(StreamSizeWrapper.fetchSizeForWrapper(wrappedVideoStreams).subscribe(result -> {
+            if (radioVideoAudioGroup.getCheckedRadioButtonId() == R.id.video_button) {
+                setupVideoSpinner();
+            }
+        }));
+        disposables.add(StreamSizeWrapper.fetchSizeForWrapper(wrappedAudioStreams).subscribe(result -> {
+            if (radioVideoAudioGroup.getCheckedRadioButtonId() == R.id.audio_button) {
+                setupAudioSpinner();
+            }
+        }));
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        disposables.clear();
     }
 
     @Override
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
-        outState.putSerializable(INFO_KEY, currentInfo);
-        outState.putSerializable(SORTED_VIDEOS_LIST_KEY, sortedStreamVideosList);
-        outState.putInt(SELECTED_VIDEO_KEY, selectedVideoIndex);
-        outState.putInt(SELECTED_AUDIO_KEY, selectedAudioIndex);
+        Icepick.saveInstanceState(this, outState);
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -161,39 +212,31 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
         toolbar.setTitle(R.string.download_dialog_title);
         toolbar.setNavigationIcon(ThemeHelper.isLightThemeSelected(getActivity()) ? R.drawable.ic_arrow_back_black_24dp : R.drawable.ic_arrow_back_white_24dp);
         toolbar.inflateMenu(R.menu.dialog_url);
-        toolbar.setNavigationOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                getDialog().dismiss();
-            }
-        });
+        toolbar.setNavigationOnClickListener(v -> getDialog().dismiss());
 
-        toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
-            @Override
-            public boolean onMenuItemClick(MenuItem item) {
-                if (item.getItemId() == R.id.okay) {
-                    downloadSelected();
-                    return true;
-                } else return false;
+        toolbar.setOnMenuItemClickListener(item -> {
+            if (item.getItemId() == R.id.okay) {
+                downloadSelected();
+                return true;
             }
+            return false;
         });
     }
 
-    public void setupAudioSpinner(final List<AudioStream> audioStreams, Spinner spinner) {
-        String[] items = new String[audioStreams.size()];
-        for (int i = 0; i < audioStreams.size(); i++) {
-            AudioStream audioStream = audioStreams.get(i);
-            items[i] = audioStream.getFormat().getName() + " " + audioStream.getAverageBitrate() + "kbps";
-        }
+    private void setupAudioSpinner() {
+        if (getContext() == null) return;
 
-        ArrayAdapter<String> itemAdapter = new ArrayAdapter<>(getContext(), android.R.layout.simple_spinner_dropdown_item, items);
-        spinner.setAdapter(itemAdapter);
-        spinner.setSelection(selectedAudioIndex);
+        streamsSpinner.setAdapter(audioStreamsAdapter);
+        streamsSpinner.setSelection(selectedAudioIndex);
+        setRadioButtonsState(true);
     }
 
-    public void setupVideoSpinner(final List<VideoStream> videoStreams, Spinner spinner) {
-        spinner.setAdapter(new SpinnerToolbarAdapter(getContext(), videoStreams, true));
-        spinner.setSelection(selectedVideoIndex);
+    private void setupVideoSpinner() {
+        if (getContext() == null) return;
+
+        streamsSpinner.setAdapter(videoStreamsAdapter);
+        streamsSpinner.setSelection(selectedVideoIndex);
+        setRadioButtonsState(true);
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -205,10 +248,10 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
         if (DEBUG) Log.d(TAG, "onCheckedChanged() called with: group = [" + group + "], checkedId = [" + checkedId + "]");
         switch (checkedId) {
             case R.id.audio_button:
-                setupAudioSpinner(currentInfo.getAudioStreams(), streamsSpinner);
+                setupAudioSpinner();
                 break;
             case R.id.video_button:
-                setupVideoSpinner(sortedStreamVideosList, streamsSpinner);
+                setupVideoSpinner();
                 break;
         }
     }
@@ -238,37 +281,53 @@ public class DownloadDialog extends DialogFragment implements RadioGroup.OnCheck
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
-    protected void checkDownloadOptions(View view) {
-        RadioButton audioButton = view.findViewById(R.id.audio_button);
-        RadioButton videoButton = view.findViewById(R.id.video_button);
+    protected void setupDownloadOptions() {
+        setRadioButtonsState(false);
 
-        if (currentInfo.getAudioStreams() == null || currentInfo.getAudioStreams().size() == 0) {
-            audioButton.setVisibility(View.GONE);
+        final RadioButton audioButton = radioVideoAudioGroup.findViewById(R.id.audio_button);
+        final RadioButton videoButton = radioVideoAudioGroup.findViewById(R.id.video_button);
+        final boolean isVideoStreamsAvailable = videoStreamsAdapter.getCount() > 0;
+        final boolean isAudioStreamsAvailable = audioStreamsAdapter.getCount() > 0;
+
+        audioButton.setVisibility(isAudioStreamsAvailable ? View.VISIBLE : View.GONE);
+        videoButton.setVisibility(isVideoStreamsAvailable ? View.VISIBLE : View.GONE);
+
+        if (isVideoStreamsAvailable) {
             videoButton.setChecked(true);
-        } else if (sortedStreamVideosList == null || sortedStreamVideosList.size() == 0) {
-            videoButton.setVisibility(View.GONE);
+            setupVideoSpinner();
+        } else if (isAudioStreamsAvailable) {
             audioButton.setChecked(true);
+            setupAudioSpinner();
+        } else {
+            Toast.makeText(getContext(), R.string.no_streams_available_download, Toast.LENGTH_SHORT).show();
+            getDialog().dismiss();
         }
     }
 
+    private void setRadioButtonsState(boolean enabled) {
+        radioVideoAudioGroup.findViewById(R.id.audio_button).setEnabled(enabled);
+        radioVideoAudioGroup.findViewById(R.id.video_button).setEnabled(enabled);
+    }
 
     private void downloadSelected() {
-        String url, location;
+        Stream stream;
+        String location;
 
         String fileName = nameEditText.getText().toString().trim();
         if (fileName.isEmpty()) fileName = FilenameUtils.createFilename(getContext(), currentInfo.getName());
 
         boolean isAudio = radioVideoAudioGroup.getCheckedRadioButtonId() == R.id.audio_button;
         if (isAudio) {
-            url = currentInfo.getAudioStreams().get(selectedAudioIndex).getUrl();
+            stream = audioStreamsAdapter.getItem(selectedAudioIndex);
             location = NewPipeSettings.getAudioDownloadPath(getContext());
-            fileName += "." + currentInfo.getAudioStreams().get(selectedAudioIndex).getFormat().getSuffix();
         } else {
-            url = sortedStreamVideosList.get(selectedVideoIndex).getUrl();
+            stream = videoStreamsAdapter.getItem(selectedVideoIndex);
             location = NewPipeSettings.getVideoDownloadPath(getContext());
-            fileName += "." + sortedStreamVideosList.get(selectedVideoIndex).getFormat().getSuffix();
         }
 
+        String url = stream.getUrl();
+        fileName += "." + stream.getFormat().getSuffix();
+
         DownloadManagerService.startMission(getContext(), url, location, fileName, isAudio, threadsSeekBar.getProgress() + 1);
         getDialog().dismiss();
     }

app/src/main/java/org/schabi/newpipe/download/ExtSDDownloadFailedActivity.java

@@ -0,0 +1,38 @@
+package org.schabi.newpipe.download;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.settings.NewPipeSettings;
+import org.schabi.newpipe.util.ServiceHelper;
+import org.schabi.newpipe.util.ThemeHelper;
+
+public class ExtSDDownloadFailedActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        ThemeHelper.setTheme(this, ServiceHelper.getSelectedServiceId(this));
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        new AlertDialog.Builder(this)
+                .setTitle(R.string.download_to_sdcard_error_title)
+                .setMessage(R.string.download_to_sdcard_error_message)
+                .setPositiveButton(R.string.yes, (DialogInterface dialogInterface, int i) -> {
+                    NewPipeSettings.resetDownloadFolders(this);
+                    finish();
+                })
+                .setNegativeButton(R.string.cancel, (DialogInterface dialogInterface, int i) -> {
+                    dialogInterface.dismiss();
+                    finish();
+                })
+                .create()
+                .show();
+    }
+}

app/src/main/java/org/schabi/newpipe/fragments/BaseStateFragment.java

@@ -51,9 +51,6 @@ public abstract class BaseStateFragment<I> extends BaseFragment implements ViewC
     protected Button errorButtonRetry;
     protected TextView errorTextView;
 
-    @State
-    protected boolean useAsFrontPage = false;
-
     @Override
     public void onViewCreated(View rootView, Bundle savedInstanceState) {
         super.onViewCreated(rootView, savedInstanceState);
@@ -66,9 +63,6 @@ public abstract class BaseStateFragment<I> extends BaseFragment implements ViewC
         wasLoading.set(isLoading.get());
     }
 
-    public void useAsFrontPage(boolean value) {
-        useAsFrontPage = value;
-    }
 
     /*//////////////////////////////////////////////////////////////////////////
     // Init
@@ -93,12 +87,7 @@ public abstract class BaseStateFragment<I> extends BaseFragment implements ViewC
         RxView.clicks(errorButtonRetry)
                 .debounce(300, TimeUnit.MILLISECONDS)
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(new Consumer<Object>() {
-                    @Override
-                    public void accept(Object o) throws Exception {
-                        onRetryButtonClicked();
-                    }
-                });
+                .subscribe(o -> onRetryButtonClicked());
     }
 
     protected void onRetryButtonClicked() {
@@ -239,7 +228,8 @@ public abstract class BaseStateFragment<I> extends BaseFragment implements ViewC
         if (rootView == null && getView() != null) rootView = getView();
         if (rootView == null) return;
 
-        ErrorActivity.reportError(getContext(), exception, MainActivity.class, rootView, ErrorActivity.ErrorInfo.make(userAction, serviceName, request, errorId));
+        ErrorActivity.reportError(getContext(), exception, MainActivity.class, rootView,
+                ErrorActivity.ErrorInfo.make(userAction, serviceName, request, errorId));
     }
 
     /*//////////////////////////////////////////////////////////////////////////

app/src/main/java/org/schabi/newpipe/fragments/BlankFragment.java

@@ -14,24 +14,16 @@ public class BlankFragment extends BaseFragment {
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
-        if(activity != null && activity.getSupportActionBar() != null) {
-            activity.getSupportActionBar()
-                    .setTitle("NewPipe");
-        }
+        setTitle("NewPipe");
         return inflater.inflate(R.layout.fragment_blank, container, false);
     }
 
     @Override
     public void setUserVisibleHint(boolean isVisibleToUser) {
         super.setUserVisibleHint(isVisibleToUser);
-        if(isVisibleToUser) {
-            if(activity != null && activity.getSupportActionBar() != null) {
-                activity.getSupportActionBar()
-                        .setTitle("NewPipe");
-            }
-            // leave this inline. Will make it harder for copy cats.
-            // If you are a Copy cat FUCK YOU.
-            // I WILL FIND YOU, AND I WILL ...
-        }
+        setTitle("NewPipe");
+        // leave this inline. Will make it harder for copy cats.
+        // If you are a Copy cat FUCK YOU.
+        // I WILL FIND YOU, AND I WILL ...
     }
 }

app/src/main/java/org/schabi/newpipe/fragments/MainFragment.java

@@ -1,6 +1,5 @@
 package org.schabi.newpipe.fragments;
 
-import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -10,48 +9,37 @@ import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentPagerAdapter;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBar;
-import android.support.v7.preference.PreferenceManager;
+import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
-import android.view.SubMenu;
 import android.view.View;
 import android.view.ViewGroup;
 
 import org.schabi.newpipe.BaseFragment;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.extractor.ServiceList;
-import org.schabi.newpipe.extractor.StreamingService;
-import org.schabi.newpipe.extractor.kiosk.KioskList;
-import org.schabi.newpipe.fragments.list.channel.ChannelFragment;
-import org.schabi.newpipe.fragments.list.feed.FeedFragment;
-import org.schabi.newpipe.fragments.list.kiosk.KioskFragment;
-import org.schabi.newpipe.fragments.local.bookmark.BookmarkFragment;
-import org.schabi.newpipe.fragments.subscription.SubscriptionFragment;
+import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
-import org.schabi.newpipe.util.KioskTranslator;
+import org.schabi.newpipe.settings.tabs.Tab;
+import org.schabi.newpipe.settings.tabs.TabsManager;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.ServiceHelper;
-import org.schabi.newpipe.util.ThemeHelper;
+
+import java.util.ArrayList;
+import java.util.List;
 
 public class MainFragment extends BaseFragment implements TabLayout.OnTabSelectedListener {
-
-    public int currentServiceId = -1;
     private ViewPager viewPager;
+    private SelectedTabsPagerAdapter pagerAdapter;
+    private TabLayout tabLayout;
 
-    /*//////////////////////////////////////////////////////////////////////////
-    // Constants
-    //////////////////////////////////////////////////////////////////////////*/
+    private List<Tab> tabsList = new ArrayList<>();
+    private TabsManager tabsManager;
 
-    private static final int FALLBACK_SERVICE_ID = ServiceList.YouTube.getServiceId();
-    private static final String FALLBACK_CHANNEL_URL = "https://www.youtube.com/channel/UC-9-kyTW8ZkZNDHQJ6FgpwQ";
-    private static final String FALLBACK_CHANNEL_NAME = "Music";
-    private static final String FALLBACK_KIOSK_ID = "Trending";
-    private static final int KIOSK_MENU_OFFSET = 2000;
+    private boolean hasTabsChanged = false;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Fragment's LifeCycle
@@ -61,11 +49,22 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setHasOptionsMenu(true);
+
+        tabsManager = TabsManager.getManager(activity);
+        tabsManager.setSavedTabsListener(() -> {
+            if (DEBUG) {
+                Log.d(TAG, "TabsManager.SavedTabsChangeListener: onTabsChanged called, isResumed = " + isResumed());
+            }
+            if (isResumed()) {
+                updateTabs();
+            } else {
+                hasTabsChanged = true;
+            }
+        });
     }
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        currentServiceId = ServiceHelper.getSelectedServiceId(activity);
         return inflater.inflate(R.layout.fragment_main, container, false);
     }
 
@@ -73,30 +72,34 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
     protected void initViews(View rootView, Bundle savedInstanceState) {
         super.initViews(rootView, savedInstanceState);
 
-        TabLayout tabLayout = rootView.findViewById(R.id.main_tab_layout);
+        tabLayout = rootView.findViewById(R.id.main_tab_layout);
         viewPager = rootView.findViewById(R.id.pager);
 
         /*  Nested fragment, use child fragment here to maintain backstack in view pager. */
-        PagerAdapter adapter = new PagerAdapter(getChildFragmentManager());
-        viewPager.setAdapter(adapter);
-        viewPager.setOffscreenPageLimit(adapter.getCount());
+        pagerAdapter = new SelectedTabsPagerAdapter(getChildFragmentManager());
+        viewPager.setAdapter(pagerAdapter);
 
         tabLayout.setupWithViewPager(viewPager);
+        tabLayout.addOnTabSelectedListener(this);
+        updateTabs();
+    }
 
-        int channelIcon = ThemeHelper.resolveResourceIdFromAttr(activity, R.attr.ic_channel);
-        int whatsHotIcon = ThemeHelper.resolveResourceIdFromAttr(activity, R.attr.ic_hot);
-        int bookmarkIcon = ThemeHelper.resolveResourceIdFromAttr(activity, R.attr.ic_bookmark);
+    @Override
+    public void onResume() {
+        super.onResume();
 
-        if (isSubscriptionsPageOnlySelected()) {
-            tabLayout.getTabAt(0).setIcon(channelIcon);
-            tabLayout.getTabAt(1).setIcon(bookmarkIcon);
-        } else {
-            tabLayout.getTabAt(0).setIcon(whatsHotIcon);
-            tabLayout.getTabAt(1).setIcon(channelIcon);
-            tabLayout.getTabAt(2).setIcon(bookmarkIcon);
+        if (hasTabsChanged) {
+            hasTabsChanged = false;
+            updateTabs();
         }
     }
 
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        tabsManager.unsetSavedTabsListener();
+    }
+
     /*//////////////////////////////////////////////////////////////////////////
     // Menu
     //////////////////////////////////////////////////////////////////////////*/
@@ -106,16 +109,6 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
         super.onCreateOptionsMenu(menu, inflater);
         if (DEBUG) Log.d(TAG, "onCreateOptionsMenu() called with: menu = [" + menu + "], inflater = [" + inflater + "]");
         inflater.inflate(R.menu.main_fragment_menu, menu);
-        SubMenu kioskMenu = menu.addSubMenu(Menu.NONE, Menu.NONE, 200, getString(R.string.kiosk));
-        try {
-            createKioskMenu(kioskMenu, inflater);
-        } catch (Exception e) {
-            ErrorActivity.reportError(activity, e,
-                    activity.getClass(),
-                    null,
-                    ErrorActivity.ErrorInfo.make(UserAction.UI_ERROR,
-                            "none", "", R.string.app_ui_crash));
-        }
 
         ActionBar supportActionBar = activity.getSupportActionBar();
         if (supportActionBar != null) {
@@ -127,7 +120,14 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case R.id.action_search:
-                NavigationHelper.openSearchFragment(getFragmentManager(), ServiceHelper.getSelectedServiceId(activity), "");
+                try {
+                    NavigationHelper.openSearchFragment(
+                            getFragmentManager(),
+                            ServiceHelper.getSelectedServiceId(activity),
+                            "");
+                } catch (Exception e) {
+                    ErrorActivity.reportUiError((AppCompatActivity) getActivity(), e);
+                }
                 return true;
         }
         return super.onOptionsItemSelected(item);
@@ -137,9 +137,33 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
     // Tabs
     //////////////////////////////////////////////////////////////////////////*/
 
+    public void updateTabs() {
+        tabsList.clear();
+        tabsList.addAll(tabsManager.getTabs());
+        pagerAdapter.notifyDataSetChanged();
+
+        viewPager.setOffscreenPageLimit(pagerAdapter.getCount());
+        updateTabsIcon();
+        updateCurrentTitle();
+    }
+
+    private void updateTabsIcon() {
+        for (int i = 0; i < tabsList.size(); i++) {
+            final TabLayout.Tab tabToSet = tabLayout.getTabAt(i);
+            if (tabToSet != null) {
+                tabToSet.setIcon(tabsList.get(i).getTabIconRes(activity));
+            }
+        }
+    }
+
+    private void updateCurrentTitle() {
+        setTitle(tabsList.get(viewPager.getCurrentItem()).getTabName(requireContext()));
+    }
+
     @Override
-    public void onTabSelected(TabLayout.Tab tab) {
-        viewPager.setCurrentItem(tab.getPosition());
+    public void onTabSelected(TabLayout.Tab selectedTab) {
+        if (DEBUG) Log.d(TAG, "onTabSelected() called with: selectedTab = [" + selectedTab + "]");
+        updateCurrentTitle();
     }
 
     @Override
@@ -148,129 +172,58 @@ public class MainFragment extends BaseFragment implements TabLayout.OnTabSelecte
 
     @Override
     public void onTabReselected(TabLayout.Tab tab) {
+        if (DEBUG) Log.d(TAG, "onTabReselected() called with: tab = [" + tab + "]");
+        updateCurrentTitle();
     }
 
-    private class PagerAdapter extends FragmentPagerAdapter {
-        PagerAdapter(FragmentManager fm) {
-            super(fm);
+    private class SelectedTabsPagerAdapter extends FragmentPagerAdapter {
+        private SelectedTabsPagerAdapter(FragmentManager fragmentManager) {
+            super(fragmentManager);
         }
 
         @Override
         public Fragment getItem(int position) {
-            switch (position) {
-                case 0:
-                    return isSubscriptionsPageOnlySelected() ? new SubscriptionFragment() : getMainPageFragment();
-                case 1:
-                    if(PreferenceManager.getDefaultSharedPreferences(getActivity())
-                            .getString(getString(R.string.main_page_content_key), getString(R.string.blank_page_key))
-                            .equals(getString(R.string.subscription_page_key))) {
-                        return new BookmarkFragment();
-                    } else {
-                        return new SubscriptionFragment();
-                    }
-                case 2:
-                    return new BookmarkFragment();
-                default:
-                    return new BlankFragment();
+            final Tab tab = tabsList.get(position);
+
+            Throwable throwable = null;
+            Fragment fragment = null;
+            try {
+                fragment = tab.getFragment();
+            } catch (ExtractionException e) {
+                throwable = e;
             }
+
+            if (throwable != null) {
+                ErrorActivity.reportError(activity, throwable, activity.getClass(), null,
+                        ErrorActivity.ErrorInfo.make(UserAction.UI_ERROR, "none", "", R.string.app_ui_crash));
+                return new BlankFragment();
+            }
+
+            if (fragment instanceof BaseFragment) {
+                ((BaseFragment) fragment).useAsFrontPage(true);
+            }
+
+            return fragment;
         }
 
         @Override
-        public CharSequence getPageTitle(int position) {
-            //return getString(this.tabTitles[position]);
-            return "";
+        public int getItemPosition(Object object) {
+            // Causes adapter to reload all Fragments when
+            // notifyDataSetChanged is called
+            return POSITION_NONE;
         }
 
         @Override
         public int getCount() {
-            return isSubscriptionsPageOnlySelected() ? 2 : 3;
+            return tabsList.size();
         }
-    }
 
-    /*//////////////////////////////////////////////////////////////////////////
-    // Main page content
-    //////////////////////////////////////////////////////////////////////////*/
-
-    private boolean isSubscriptionsPageOnlySelected() {
-        return PreferenceManager.getDefaultSharedPreferences(activity)
-                .getString(getString(R.string.main_page_content_key), getString(R.string.blank_page_key))
-                .equals(getString(R.string.subscription_page_key));
-    }
-
-    private Fragment getMainPageFragment() {
-        if (getActivity() == null) return new BlankFragment();
-
-        try {
-            SharedPreferences preferences =
-                    PreferenceManager.getDefaultSharedPreferences(getActivity());
-            final String setMainPage = preferences.getString(getString(R.string.main_page_content_key),
-                    getString(R.string.main_page_selectd_kiosk_id));
-            if (setMainPage.equals(getString(R.string.blank_page_key))) {
-                return new BlankFragment();
-            } else if (setMainPage.equals(getString(R.string.kiosk_page_key))) {
-                int serviceId = preferences.getInt(getString(R.string.main_page_selected_service),
-                        FALLBACK_SERVICE_ID);
-                String kioskId = preferences.getString(getString(R.string.main_page_selectd_kiosk_id),
-                        FALLBACK_KIOSK_ID);
-                KioskFragment fragment = KioskFragment.getInstance(serviceId, kioskId);
-                fragment.useAsFrontPage(true);
-                return fragment;
-            } else if (setMainPage.equals(getString(R.string.feed_page_key))) {
-                FeedFragment fragment = new FeedFragment();
-                fragment.useAsFrontPage(true);
-                return fragment;
-            } else if (setMainPage.equals(getString(R.string.channel_page_key))) {
-                int serviceId = preferences.getInt(getString(R.string.main_page_selected_service),
-                        FALLBACK_SERVICE_ID);
-                String url = preferences.getString(getString(R.string.main_page_selected_channel_url),
-                        FALLBACK_CHANNEL_URL);
-                String name = preferences.getString(getString(R.string.main_page_selected_channel_name),
-                        FALLBACK_CHANNEL_NAME);
-                ChannelFragment fragment = ChannelFragment.getInstance(serviceId, url, name);
-                fragment.useAsFrontPage(true);
-                return fragment;
-            } else {
-                return new BlankFragment();
-            }
-
-        } catch (Exception e) {
-            ErrorActivity.reportError(activity, e,
-                    activity.getClass(),
-                    null,
-                    ErrorActivity.ErrorInfo.make(UserAction.UI_ERROR,
-                            "none", "", R.string.app_ui_crash));
-            return new BlankFragment();
-        }
-    }
-
-    /*//////////////////////////////////////////////////////////////////////////
-    // Select Kiosk
-    //////////////////////////////////////////////////////////////////////////*/
-
-    private void createKioskMenu(Menu menu, MenuInflater menuInflater)
-            throws Exception {
-        StreamingService service = NewPipe.getService(currentServiceId);
-        KioskList kl = service.getKioskList();
-        int i = 0;
-        for (final String ks : kl.getAvailableKiosks()) {
-            menu.add(0, KIOSK_MENU_OFFSET + i, Menu.NONE,
-                    KioskTranslator.getTranslatedKioskName(ks, getContext()))
-                    .setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
-                        @Override
-                        public boolean onMenuItemClick(MenuItem menuItem) {
-                            try {
-                                NavigationHelper.openKioskFragment(getFragmentManager(), currentServiceId, ks);
-                            } catch (Exception e) {
-                                ErrorActivity.reportError(activity, e,
-                                        activity.getClass(),
-                                        null,
-                                        ErrorActivity.ErrorInfo.make(UserAction.UI_ERROR,
-                                                "none", "", R.string.app_ui_crash));
-                            }
-                            return true;
-                        }
-                    });
-            i++;
+        @Override
+        public void destroyItem(ViewGroup container, int position, Object object) {
+            getChildFragmentManager()
+                    .beginTransaction()
+                    .remove((Fragment) object)
+                    .commitNowAllowingStateLoss();
         }
     }
 }

app/src/main/java/org/schabi/newpipe/fragments/detail/SpinnerToolbarAdapter.java

@@ -1,74 +0,0 @@
-package org.schabi.newpipe.fragments.detail;
-
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.ImageView;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.MediaFormat;
-import org.schabi.newpipe.extractor.stream.VideoStream;
-
-import java.util.List;
-
-public class SpinnerToolbarAdapter extends BaseAdapter {
-    private final List<VideoStream> videoStreams;
-    private final boolean showIconNoAudio;
-
-    private final Context context;
-
-    public SpinnerToolbarAdapter(Context context, List<VideoStream> videoStreams, boolean showIconNoAudio) {
-        this.context = context;
-        this.videoStreams = videoStreams;
-        this.showIconNoAudio = showIconNoAudio;
-    }
-
-    @Override
-    public int getCount() {
-        return videoStreams.size();
-    }
-
-    @Override
-    public Object getItem(int position) {
-        return videoStreams.get(position);
-    }
-
-    @Override
-    public long getItemId(int position) {
-        return position;
-    }
-
-    @Override
-    public View getDropDownView(int position, View convertView, ViewGroup parent) {
-        return getCustomView(position, convertView, parent, true);
-    }
-
-    @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
-        return getCustomView(((Spinner) parent).getSelectedItemPosition(), convertView, parent, false);
-    }
-
-    private View getCustomView(int position, View convertView, ViewGroup parent, boolean isDropdownItem) {
-        if (convertView == null) {
-            convertView = LayoutInflater.from(context).inflate(R.layout.resolutions_spinner_item, parent, false);
-        }
-
-        ImageView woSoundIcon = convertView.findViewById(R.id.wo_sound_icon);
-        TextView text = convertView.findViewById(android.R.id.text1);
-        VideoStream item = (VideoStream) getItem(position);
-        text.setText(item.getFormat().getName() + " " + item.getResolution());
-
-        int visibility = !showIconNoAudio ? View.GONE
-                : item.isVideoOnly ? View.VISIBLE
-                : isDropdownItem ? View.INVISIBLE
-                : View.GONE;
-        woSoundIcon.setVisibility(visibility);
-
-        return convertView;
-    }
-
-}

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -12,10 +12,12 @@ import android.preference.PreferenceManager;
 import android.support.annotation.DrawableRes;
 import android.support.annotation.FloatRange;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.support.v4.content.ContextCompat;
 import android.support.v4.view.animation.FastOutSlowInInterpolator;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
 import android.text.Html;
 import android.text.Spanned;
 import android.text.TextUtils;
@@ -53,24 +55,28 @@ import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.exceptions.ContentNotAvailableException;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
-import org.schabi.newpipe.extractor.services.youtube.YoutubeStreamExtractor;
+import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor;
 import org.schabi.newpipe.extractor.stream.AudioStream;
+import org.schabi.newpipe.extractor.stream.Stream;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamType;
 import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.BaseStateFragment;
-import org.schabi.newpipe.fragments.local.dialog.PlaylistAppendDialog;
+import org.schabi.newpipe.local.history.HistoryRecordManager;
+import org.schabi.newpipe.report.ErrorActivity;
+import org.schabi.newpipe.util.StreamItemAdapter;
+import org.schabi.newpipe.util.StreamItemAdapter.StreamSizeWrapper;
+import org.schabi.newpipe.local.dialog.PlaylistAppendDialog;
 import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.info_list.InfoItemDialog;
 import org.schabi.newpipe.player.MainVideoPlayer;
 import org.schabi.newpipe.player.PopupVideoPlayer;
 import org.schabi.newpipe.player.helper.PlayerHelper;
 import org.schabi.newpipe.player.old.PlayVideoActivity;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
-import org.schabi.newpipe.report.ErrorActivity;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.ExtractorHelper;
@@ -84,9 +90,10 @@ import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.ThemeHelper;
 
 import java.io.Serializable;
-import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.LinkedList;
+import java.util.List;
 
 import icepick.State;
 import io.reactivex.Single;
@@ -108,8 +115,6 @@ public class VideoDetailFragment
     // Amount of videos to show on start
     private static final int INITIAL_RELATED_VIDEOS = 8;
 
-    private ArrayList<VideoStream> sortedStreamVideosList;
-
     private InfoItemBuilder infoItemBuilder = null;
 
     private int updateFlags = 0;
@@ -121,18 +126,16 @@ public class VideoDetailFragment
     private boolean showRelatedStreams;
     private boolean wasRelatedStreamsExpanded = false;
 
-    @State
-    protected int serviceId = Constants.NO_SERVICE_ID;
-    @State
-    protected String name;
-    @State
-    protected String url;
+    @State protected int serviceId = Constants.NO_SERVICE_ID;
+    @State protected String name;
+    @State protected String url;
 
     private StreamInfo currentInfo;
     private Disposable currentWorker;
-    private CompositeDisposable disposables = new CompositeDisposable();
+    @NonNull private CompositeDisposable disposables = new CompositeDisposable();
 
-    private int selectedVideoStream = -1;
+    private List<VideoStream> sortedVideoStreams;
+    private int selectedVideoStreamIndex = -1;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Views
@@ -205,7 +208,7 @@ public class VideoDetailFragment
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         return inflater.inflate(R.layout.fragment_video_detail, container, false);
     }
 
@@ -356,32 +359,23 @@ public class VideoDetailFragment
                 }
                 break;
             case R.id.detail_controls_download:
-                if (!PermissionHelper.checkStoragePermissions(activity)) {
-                    return;
-                }
-
-                try {
-                    DownloadDialog downloadDialog =
-                            DownloadDialog.newInstance(currentInfo,
-                                    sortedStreamVideosList,
-                                    selectedVideoStream);
-                    downloadDialog.show(activity.getSupportFragmentManager(), "downloadDialog");
-                } catch (Exception e) {
-                    Toast.makeText(activity,
-                            R.string.could_not_setup_download_menu,
-                            Toast.LENGTH_LONG).show();
-                    e.printStackTrace();
+                if (PermissionHelper.checkStoragePermissions(activity, PermissionHelper.DOWNLOAD_DIALOG_REQUEST_CODE)) {
+                    this.openDownloadDialog();
                 }
                 break;
             case R.id.detail_uploader_root_layout:
                 if (TextUtils.isEmpty(currentInfo.getUploaderUrl())) {
                     Log.w(TAG, "Can't open channel because we got no channel URL");
                 } else {
-                    NavigationHelper.openChannelFragment(
-                            getFragmentManager(),
-                            currentInfo.getServiceId(),
-                            currentInfo.getUploaderUrl(),
-                            currentInfo.getUploaderName());
+                    try {
+                        NavigationHelper.openChannelFragment(
+                                getFragmentManager(),
+                                currentInfo.getServiceId(),
+                                currentInfo.getUploaderUrl(),
+                                currentInfo.getUploaderName());
+                    } catch (Exception e) {
+                        ErrorActivity.reportUiError((AppCompatActivity) getActivity(), e);
+                    }
                 }
                 break;
             case R.id.detail_thumbnail_root_layout:
@@ -412,6 +406,9 @@ public class VideoDetailFragment
             case R.id.detail_controls_popup:
                 openPopupPlayer(true);
                 break;
+            case R.id.detail_controls_download:
+                NavigationHelper.openDownloads(getActivity());
+                break;
         }
 
         return true;
@@ -533,6 +530,7 @@ public class VideoDetailFragment
         detailControlsPopup.setOnClickListener(this);
         detailControlsAddToPlaylist.setOnClickListener(this);
         detailControlsDownload.setOnClickListener(this);
+        detailControlsDownload.setOnLongClickListener(this);
         relatedStreamExpandButton.setOnClickListener(this);
 
         detailControlsBackground.setLongClickable(true);
@@ -549,7 +547,9 @@ public class VideoDetailFragment
 
         final String[] commands = new String[]{
                 context.getResources().getString(R.string.enqueue_on_background),
-                context.getResources().getString(R.string.enqueue_on_popup)
+                context.getResources().getString(R.string.enqueue_on_popup),
+                context.getResources().getString(R.string.append_playlist),
+                context.getResources().getString(R.string.share)
         };
 
         final DialogInterface.OnClickListener actions = (DialogInterface dialogInterface, int i) -> {
@@ -560,6 +560,15 @@ public class VideoDetailFragment
                 case 1:
                     NavigationHelper.enqueueOnPopupPlayer(getActivity(), new SinglePlayQueue(item));
                     break;
+                case 2:
+                    if (getFragmentManager() != null) {
+                        PlaylistAppendDialog.fromStreamInfoItems(Collections.singletonList(item))
+                                .show(getFragmentManager(), TAG);
+                    }
+                    break;
+                case 3:
+                    shareUrl(item.getName(), item.getUrl());
+                    break;
                 default:
                     break;
             }
@@ -681,15 +690,15 @@ public class VideoDetailFragment
         int id = item.getItemId();
         switch (id) {
             case R.id.menu_item_share: {
-                if(currentInfo != null) {
-                    shareUrl(currentInfo.getName(), url);
-                } else {
-                    shareUrl(url, url);
+                if (currentInfo != null) {
+                    shareUrl(currentInfo.getName(), currentInfo.getUrl());
                 }
                 return true;
             }
             case R.id.menu_item_openInBrowser: {
-                openUrlInBrowser(url);
+                if (currentInfo != null) {
+                    openUrlInBrowser(currentInfo.getUrl());
+                }
                 return true;
             }
             case R.id.action_play_with_kodi:
@@ -722,27 +731,25 @@ public class VideoDetailFragment
 
     private void setupActionBar(final StreamInfo info) {
         if (DEBUG) Log.d(TAG, "setupActionBarHandler() called with: info = [" + info + "]");
-        sortedStreamVideosList = new ArrayList<>(ListHelper.getSortedStreamVideosList(
-                activity, info.getVideoStreams(), info.getVideoOnlyStreams(), false));
-
-        selectedVideoStream = ListHelper.getDefaultResolutionIndex(activity, sortedStreamVideosList);
-
         boolean isExternalPlayerEnabled = PreferenceManager.getDefaultSharedPreferences(activity)
                 .getBoolean(activity.getString(R.string.use_external_video_player_key), false);
-        spinnerToolbar.setAdapter(new SpinnerToolbarAdapter(activity, sortedStreamVideosList,
-                isExternalPlayerEnabled));
-        spinnerToolbar.setSelection(selectedVideoStream);
+
+        sortedVideoStreams = ListHelper.getSortedStreamVideosList(activity, info.getVideoStreams(), info.getVideoOnlyStreams(), false);
+        selectedVideoStreamIndex = ListHelper.getDefaultResolutionIndex(activity, sortedVideoStreams);
+
+        final StreamItemAdapter<VideoStream> streamsAdapter = new StreamItemAdapter<>(activity, new StreamSizeWrapper<>(sortedVideoStreams), isExternalPlayerEnabled);
+        spinnerToolbar.setAdapter(streamsAdapter);
+        spinnerToolbar.setSelection(selectedVideoStreamIndex);
         spinnerToolbar.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
             @Override
             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
-                selectedVideoStream = position;
+                selectedVideoStreamIndex = position;
             }
 
             @Override
             public void onNothingSelected(AdapterView<?> parent) {
             }
         });
-
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -818,7 +825,7 @@ public class VideoDetailFragment
     public void prepareAndHandleInfo(final StreamInfo info, boolean scrollToTop) {
         if (DEBUG) Log.d(TAG, "prepareAndHandleInfo() called with: info = [" + info + "], scrollToTop = [" + scrollToTop + "]");
 
-        setInitialData(info.getServiceId(), info.getUrl(), info.getName());
+        setInitialData(info.getServiceId(), info.getOriginalUrl(), info.getName());
         pushToStack(serviceId, url, name);
         showLoading();
 
@@ -877,10 +884,7 @@ public class VideoDetailFragment
         if (!useExternalAudioPlayer && android.os.Build.VERSION.SDK_INT >= 16) {
             openNormalBackgroundPlayer(append);
         } else {
-            NavigationHelper.playOnExternalPlayer(activity,
-                    currentInfo.getName(),
-                    currentInfo.getUploaderName(),
-                    audioStream);
+            startOnExternalPlayer(activity, currentInfo, audioStream);
         }
     }
 
@@ -907,10 +911,7 @@ public class VideoDetailFragment
 
         if (PreferenceManager.getDefaultSharedPreferences(activity)
                 .getBoolean(this.getString(R.string.use_external_video_player_key), false)) {
-            NavigationHelper.playOnExternalPlayer(activity,
-                    currentInfo.getName(),
-                    currentInfo.getUploaderName(),
-                    selectedVideoStream);
+            startOnExternalPlayer(activity, currentInfo, selectedVideoStream);
         } else {
             openNormalPlayer(selectedVideoStream);
         }
@@ -954,8 +955,23 @@ public class VideoDetailFragment
         this.autoPlayEnabled = autoplay;
     }
 
+    private void startOnExternalPlayer(@NonNull final Context context,
+                                       @NonNull final StreamInfo info,
+                                       @NonNull final Stream selectedStream) {
+        NavigationHelper.playOnExternalPlayer(context, currentInfo.getName(),
+                currentInfo.getUploaderName(), selectedStream);
+
+        final HistoryRecordManager recordManager = new HistoryRecordManager(requireContext());
+        disposables.add(recordManager.onViewed(info).onErrorComplete()
+                .subscribe(
+                        ignored -> {/* successful */},
+                        error -> Log.e(TAG, "Register view failure: ", error)
+                ));
+    }
+
+    @Nullable
     private VideoStream getSelectedVideoStream() {
-        return sortedStreamVideosList.get(selectedVideoStream);
+        return sortedVideoStreams != null ? sortedVideoStreams.get(selectedVideoStreamIndex) : null;
     }
 
     private void prepareDescription(final String descriptionHtml) {
@@ -1112,7 +1128,7 @@ public class VideoDetailFragment
     public void handleResult(@NonNull StreamInfo info) {
         super.handleResult(info);
 
-        setInitialData(info.getServiceId(), info.getUrl(), info.getName());
+        setInitialData(info.getServiceId(), info.getOriginalUrl(), info.getName());
         pushToStack(serviceId, url, name);
 
         animateView(thumbnailPlayButton, true, 200);
@@ -1192,7 +1208,9 @@ public class VideoDetailFragment
             toggleExpandRelatedVideos(currentInfo);
             wasRelatedStreamsExpanded = false;
         }
+
         setTitleToUrl(info.getServiceId(), info.getUrl(), info.getName());
+        setTitleToUrl(info.getServiceId(), info.getOriginalUrl(), info.getName());
 
         if (!info.getErrors().isEmpty()) {
             showSnackBarError(info.getErrors(),
@@ -1209,10 +1227,10 @@ public class VideoDetailFragment
                 spinnerToolbar.setVisibility(View.GONE);
                 break;
             default:
+                if(info.getAudioStreams().isEmpty()) detailControlsBackground.setVisibility(View.GONE);
                 if (!info.getVideoStreams().isEmpty()
                         || !info.getVideoOnlyStreams().isEmpty()) break;
 
-                detailControlsBackground.setVisibility(View.GONE);
                 detailControlsPopup.setVisibility(View.GONE);
                 spinnerToolbar.setVisibility(View.GONE);
                 thumbnailPlayButton.setImageResource(R.drawable.ic_headset_white_24dp);
@@ -1226,6 +1244,23 @@ public class VideoDetailFragment
         }
     }
 
+
+    public void openDownloadDialog() {
+            try {
+                DownloadDialog downloadDialog = DownloadDialog.newInstance(currentInfo);
+                downloadDialog.setVideoStreams(sortedVideoStreams);
+                downloadDialog.setAudioStreams(currentInfo.getAudioStreams());
+                downloadDialog.setSelectedVideoStream(selectedVideoStreamIndex);
+
+                downloadDialog.show(activity.getSupportFragmentManager(), "downloadDialog");
+            } catch (Exception e) {
+                Toast.makeText(activity,
+                        R.string.could_not_setup_download_menu,
+                        Toast.LENGTH_LONG).show();
+                e.printStackTrace();
+            }
+    }
+
     /*//////////////////////////////////////////////////////////////////////////
     // Stream Results
     //////////////////////////////////////////////////////////////////////////*/

app/src/main/java/org/schabi/newpipe/fragments/list/BaseListFragment.java

@@ -6,6 +6,7 @@ import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
@@ -20,10 +21,11 @@ import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.fragments.BaseStateFragment;
 import org.schabi.newpipe.fragments.OnScrollBelowItemsListener;
-import org.schabi.newpipe.fragments.local.dialog.PlaylistAppendDialog;
+import org.schabi.newpipe.local.dialog.PlaylistAppendDialog;
 import org.schabi.newpipe.info_list.InfoItemDialog;
 import org.schabi.newpipe.info_list.InfoListAdapter;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
+import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.OnClickGesture;
 import org.schabi.newpipe.util.StateSaver;
@@ -140,9 +142,7 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
         infoListAdapter.setOnStreamSelectedListener(new OnClickGesture<StreamInfoItem>() {
             @Override
             public void selected(StreamInfoItem selectedItem) {
-                onItemSelected(selectedItem);
-                NavigationHelper.openVideoDetailFragment(useAsFrontPage ? getParentFragment().getFragmentManager() : getFragmentManager(),
-                        selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
+                onStreamSelected(selectedItem);
             }
 
             @Override
@@ -154,18 +154,30 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
         infoListAdapter.setOnChannelSelectedListener(new OnClickGesture<ChannelInfoItem>() {
             @Override
             public void selected(ChannelInfoItem selectedItem) {
-                onItemSelected(selectedItem);
-                NavigationHelper.openChannelFragment(useAsFrontPage ? getParentFragment().getFragmentManager() : getFragmentManager(),
-                        selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
+                try {
+                    onItemSelected(selectedItem);
+                    NavigationHelper.openChannelFragment(getFM(),
+                            selectedItem.getServiceId(),
+                            selectedItem.getUrl(),
+                            selectedItem.getName());
+                } catch (Exception e) {
+                    ErrorActivity.reportUiError((AppCompatActivity) getActivity(), e);
+                }
             }
         });
 
         infoListAdapter.setOnPlaylistSelectedListener(new OnClickGesture<PlaylistInfoItem>() {
             @Override
             public void selected(PlaylistInfoItem selectedItem) {
-                onItemSelected(selectedItem);
-                NavigationHelper.openPlaylistFragment(useAsFrontPage ? getParentFragment().getFragmentManager() : getFragmentManager(),
-                        selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
+                try {
+                    onItemSelected(selectedItem);
+                    NavigationHelper.openPlaylistFragment(getFM(),
+                            selectedItem.getServiceId(),
+                            selectedItem.getUrl(),
+                            selectedItem.getName());
+                } catch (Exception e) {
+                    ErrorActivity.reportUiError((AppCompatActivity) getActivity(), e);
+                }
             }
         });
 
@@ -178,6 +190,12 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
         });
     }
 
+    private void onStreamSelected(StreamInfoItem selectedItem) {
+        onItemSelected(selectedItem);
+        NavigationHelper.openVideoDetailFragment(getFM(),
+                selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
+    }
+
     protected void onScrollToBottom() {
         if (hasMoreItems() && !isLoading.get()) {
             loadMoreItems();
@@ -192,7 +210,8 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
         final String[] commands = new String[]{
                 context.getResources().getString(R.string.enqueue_on_background),
                 context.getResources().getString(R.string.enqueue_on_popup),
-                context.getResources().getString(R.string.append_playlist)
+                context.getResources().getString(R.string.append_playlist),
+                context.getResources().getString(R.string.share)
         };
 
         final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
@@ -209,6 +228,9 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
                                 .show(getFragmentManager(), TAG);
                     }
                     break;
+                case 3:
+                    shareUrl(item.getName(), item.getUrl());
+                    break;
                 default:
                     break;
             }
@@ -216,6 +238,7 @@ public abstract class BaseListFragment<I, N> extends BaseStateFragment<I> implem
 
         new InfoItemDialog(getActivity(), item, commands, actions).show();
     }
+
     /*//////////////////////////////////////////////////////////////////////////
     // Menu
     //////////////////////////////////////////////////////////////////////////*/

app/src/main/java/org/schabi/newpipe/fragments/list/BaseListInfoFragment.java

@@ -8,6 +8,9 @@ import android.view.View;
 
 import org.schabi.newpipe.extractor.ListExtractor;
 import org.schabi.newpipe.extractor.ListInfo;
+import org.schabi.newpipe.extractor.NewPipe;
+import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
+import org.schabi.newpipe.extractor.linkhandler.LinkHandler;
 import org.schabi.newpipe.util.Constants;
 
 import java.util.Queue;
@@ -166,7 +169,6 @@ public abstract class BaseListInfoFragment<I extends ListInfo>
     public void handleResult(@NonNull I result) {
         super.handleResult(result);
 
-        url = result.getUrl();
         name = result.getName();
         setTitle(name);
 

app/src/main/java/org/schabi/newpipe/fragments/list/channel/ChannelFragment.java

@@ -32,16 +32,15 @@ import org.schabi.newpipe.extractor.ListExtractor;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.channel.ChannelInfo;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
-import org.schabi.newpipe.extractor.stream.Stream;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
 import org.schabi.newpipe.info_list.InfoItemDialog;
-import org.schabi.newpipe.playlist.ChannelPlayQueue;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.local.dialog.PlaylistAppendDialog;
+import org.schabi.newpipe.local.subscription.SubscriptionService;
+import org.schabi.newpipe.player.playqueue.ChannelPlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.report.UserAction;
-import org.schabi.newpipe.subscription.SubscriptionService;
 import org.schabi.newpipe.util.AnimationUtils;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.ImageDisplayConstants;
@@ -49,6 +48,7 @@ import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
@@ -90,6 +90,8 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
 
     private MenuItem menuRssButton;
 
+    private boolean mIsVisibleToUser = false;
+
     public static ChannelFragment getInstance(int serviceId, String url, String name) {
         ChannelFragment instance = new ChannelFragment();
         instance.setInitialData(serviceId, url, name);
@@ -103,6 +105,7 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
     @Override
     public void setUserVisibleHint(boolean isVisibleToUser) {
         super.setUserVisibleHint(isVisibleToUser);
+        mIsVisibleToUser = isVisibleToUser;
         if(activity != null
                 && useAsFrontPage
                 && isVisibleToUser) {
@@ -161,31 +164,39 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
                 context.getResources().getString(R.string.start_here_on_main),
                 context.getResources().getString(R.string.start_here_on_background),
                 context.getResources().getString(R.string.start_here_on_popup),
+                context.getResources().getString(R.string.append_playlist),
+                context.getResources().getString(R.string.share)
         };
 
-        final DialogInterface.OnClickListener actions = new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialogInterface, int i) {
-                final int index = Math.max(infoListAdapter.getItemsList().indexOf(item), 0);
-                switch (i) {
-                    case 0:
-                        NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(item));
-                        break;
-                    case 1:
-                        NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(item));
-                        break;
-                    case 2:
-                        NavigationHelper.playOnMainPlayer(context, getPlayQueue(index));
-                        break;
-                    case 3:
-                        NavigationHelper.playOnBackgroundPlayer(context, getPlayQueue(index));
-                        break;
-                    case 4:
-                        NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
-                        break;
-                    default:
-                        break;
-                }
+        final DialogInterface.OnClickListener actions = (DialogInterface dialogInterface, int i) -> {
+            final int index = Math.max(infoListAdapter.getItemsList().indexOf(item), 0);
+            switch (i) {
+                case 0:
+                    NavigationHelper.enqueueOnBackgroundPlayer(context, new SinglePlayQueue(item));
+                    break;
+                case 1:
+                    NavigationHelper.enqueueOnPopupPlayer(activity, new SinglePlayQueue(item));
+                    break;
+                case 2:
+                    NavigationHelper.playOnMainPlayer(context, getPlayQueue(index));
+                    break;
+                case 3:
+                    NavigationHelper.playOnBackgroundPlayer(context, getPlayQueue(index));
+                    break;
+                case 4:
+                    NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
+                    break;
+                case 5:
+                    if (getFragmentManager() != null) {
+                        PlaylistAppendDialog.fromStreamInfoItems(Collections.singletonList(item))
+                                .show(getFragmentManager(), TAG);
+                    }
+                    break;
+                case 6:
+                    shareUrl(item.getName(), item.getUrl());
+                    break;
+                default:
+                    break;
             }
         };
 
@@ -243,12 +254,12 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
     private static final int BUTTON_DEBOUNCE_INTERVAL = 100;
 
     private void monitorSubscription(final ChannelInfo info) {
-        final Consumer<Throwable> onError = new Consumer<Throwable>() {
-            @Override
-            public void accept(Throwable throwable) throws Exception {
+        final Consumer<Throwable> onError = (Throwable throwable) -> {
                 animateView(headerSubscribeButton, false, 100);
-                showSnackBarError(throwable, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(currentInfo.getServiceId()), "Get subscription status", 0);
-            }
+                showSnackBarError(throwable, UserAction.SUBSCRIPTION,
+                        NewPipe.getNameOfService(currentInfo.getServiceId()),
+                        "Get subscription status",
+                        0);
         };
 
         final Observable<List<SubscriptionEntity>> observable = subscriptionService.subscriptionTable()
@@ -264,50 +275,38 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
                 // so only update the UI for the latest emission ("sync" the subscribe button's state)
                 .debounce(100, TimeUnit.MILLISECONDS)
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(new Consumer<List<SubscriptionEntity>>() {
-                    @Override
-                    public void accept(List<SubscriptionEntity> subscriptionEntities) throws Exception {
-                        updateSubscribeButton(!subscriptionEntities.isEmpty());
-                    }
-                }, onError));
+                .subscribe((List<SubscriptionEntity> subscriptionEntities) ->
+                        updateSubscribeButton(!subscriptionEntities.isEmpty())
+                        , onError));
 
     }
 
     private Function<Object, Object> mapOnSubscribe(final SubscriptionEntity subscription) {
-        return new Function<Object, Object>() {
-            @Override
-            public Object apply(@NonNull Object o) throws Exception {
-                subscriptionService.subscriptionTable().insert(subscription);
-                return o;
-            }
+        return (@NonNull Object o) -> {
+            subscriptionService.subscriptionTable().insert(subscription);
+            return o;
         };
     }
 
     private Function<Object, Object> mapOnUnsubscribe(final SubscriptionEntity subscription) {
-        return new Function<Object, Object>() {
-            @Override
-            public Object apply(@NonNull Object o) throws Exception {
-                subscriptionService.subscriptionTable().delete(subscription);
-                return o;
-            }
+        return (@NonNull Object o) -> {
+            subscriptionService.subscriptionTable().delete(subscription);
+            return o;
         };
     }
 
     private void updateSubscription(final ChannelInfo info) {
         if (DEBUG) Log.d(TAG, "updateSubscription() called with: info = [" + info + "]");
-        final Action onComplete = new Action() {
-            @Override
-            public void run() throws Exception {
+        final Action onComplete = () -> {
                 if (DEBUG) Log.d(TAG, "Updated subscription: " + info.getUrl());
-            }
         };
 
-        final Consumer<Throwable> onError = new Consumer<Throwable>() {
-            @Override
-            public void accept(@NonNull Throwable throwable) throws Exception {
-                onUnrecoverableError(throwable, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(info.getServiceId()), "Updating Subscription for " + info.getUrl(), R.string.subscription_update_failed);
-            }
-        };
+        final Consumer<Throwable> onError = (@NonNull Throwable throwable) ->
+                onUnrecoverableError(throwable,
+                        UserAction.SUBSCRIPTION,
+                        NewPipe.getNameOfService(info.getServiceId()),
+                        "Updating Subscription for " + info.getUrl(),
+                        R.string.subscription_update_failed);
 
         disposables.add(subscriptionService.updateChannelInfo(info)
                 .subscribeOn(Schedulers.io())
@@ -316,19 +315,16 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
     }
 
     private Disposable monitorSubscribeButton(final Button subscribeButton, final Function<Object, Object> action) {
-        final Consumer<Object> onNext = new Consumer<Object>() {
-            @Override
-            public void accept(@NonNull Object o) throws Exception {
+        final Consumer<Object> onNext = (@NonNull Object o) -> {
                 if (DEBUG) Log.d(TAG, "Changed subscription status to this channel!");
-            }
         };
 
-        final Consumer<Throwable> onError = new Consumer<Throwable>() {
-            @Override
-            public void accept(@NonNull Throwable throwable) throws Exception {
-                onUnrecoverableError(throwable, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(currentInfo.getServiceId()), "Subscription Change", R.string.subscription_change_failed);
-            }
-        };
+        final Consumer<Throwable> onError = (@NonNull Throwable throwable) ->
+                onUnrecoverableError(throwable,
+                        UserAction.SUBSCRIPTION,
+                        NewPipe.getNameOfService(currentInfo.getServiceId()),
+                        "Subscription Change",
+                        R.string.subscription_change_failed);
 
         /* Emit clicks from main thread unto io thread */
         return RxView.clicks(subscribeButton)
@@ -340,25 +336,25 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
     }
 
     private Consumer<List<SubscriptionEntity>> getSubscribeUpdateMonitor(final ChannelInfo info) {
-        return new Consumer<List<SubscriptionEntity>>() {
-            @Override
-            public void accept(List<SubscriptionEntity> subscriptionEntities) throws Exception {
-                if (DEBUG)
-                    Log.d(TAG, "subscriptionService.subscriptionTable.doOnNext() called with: subscriptionEntities = [" + subscriptionEntities + "]");
-                if (subscribeButtonMonitor != null) subscribeButtonMonitor.dispose();
+        return (List<SubscriptionEntity> subscriptionEntities) -> {
+            if (DEBUG)
+                Log.d(TAG, "subscriptionService.subscriptionTable.doOnNext() called with: subscriptionEntities = [" + subscriptionEntities + "]");
+            if (subscribeButtonMonitor != null) subscribeButtonMonitor.dispose();
 
-                if (subscriptionEntities.isEmpty()) {
-                    if (DEBUG) Log.d(TAG, "No subscription to this channel!");
-                    SubscriptionEntity channel = new SubscriptionEntity();
-                    channel.setServiceId(info.getServiceId());
-                    channel.setUrl(info.getUrl());
-                    channel.setData(info.getName(), info.getAvatarUrl(), info.getDescription(), info.getSubscriberCount());
-                    subscribeButtonMonitor = monitorSubscribeButton(headerSubscribeButton, mapOnSubscribe(channel));
-                } else {
-                    if (DEBUG) Log.d(TAG, "Found subscription to this channel!");
-                    final SubscriptionEntity subscription = subscriptionEntities.get(0);
-                    subscribeButtonMonitor = monitorSubscribeButton(headerSubscribeButton, mapOnUnsubscribe(subscription));
-                }
+            if (subscriptionEntities.isEmpty()) {
+                if (DEBUG) Log.d(TAG, "No subscription to this channel!");
+                SubscriptionEntity channel = new SubscriptionEntity();
+                channel.setServiceId(info.getServiceId());
+                channel.setUrl(info.getUrl());
+                channel.setData(info.getName(),
+                        info.getAvatarUrl(),
+                        info.getDescription(),
+                        info.getSubscriberCount());
+                subscribeButtonMonitor = monitorSubscribeButton(headerSubscribeButton, mapOnSubscribe(channel));
+            } else {
+                if (DEBUG) Log.d(TAG, "Found subscription to this channel!");
+                final SubscriptionEntity subscription = subscriptionEntities.get(0);
+                subscribeButtonMonitor = monitorSubscribeButton(headerSubscribeButton, mapOnUnsubscribe(subscription));
             }
         };
     }
@@ -425,10 +421,12 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
         imageLoader.displayImage(result.getAvatarUrl(), headerAvatarView,
         		ImageDisplayConstants.DISPLAY_AVATAR_OPTIONS);
 
-        if (result.getSubscriberCount() != -1) {
+        headerSubscribersTextView.setVisibility(View.VISIBLE);
+        if (result.getSubscriberCount() >= 0) {
             headerSubscribersTextView.setText(Localization.localizeSubscribersCount(activity, result.getSubscriberCount()));
-            headerSubscribersTextView.setVisibility(View.VISIBLE);
-        } else headerSubscribersTextView.setVisibility(View.GONE);
+        } else {
+            headerSubscribersTextView.setText(R.string.subscribers_count_not_available);
+        }
 
         if (menuRssButton != null) menuRssButton.setVisible(!TextUtils.isEmpty(result.getFeedUrl()));
 
@@ -476,8 +474,11 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
         super.handleNextItems(result);
 
         if (!result.getErrors().isEmpty()) {
-            showSnackBarError(result.getErrors(), UserAction.REQUESTED_CHANNEL, NewPipe.getNameOfService(serviceId),
-                    "Get next page of: " + url, R.string.general_error);
+            showSnackBarError(result.getErrors(),
+                    UserAction.REQUESTED_CHANNEL,
+                    NewPipe.getNameOfService(serviceId),
+                    "Get next page of: " + url,
+                    R.string.general_error);
         }
     }
 
@@ -490,7 +491,11 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
         if (super.onError(exception)) return true;
 
         int errorId = exception instanceof ExtractionException ? R.string.parsing_error : R.string.general_error;
-        onUnrecoverableError(exception, UserAction.REQUESTED_CHANNEL, NewPipe.getNameOfService(serviceId), url, errorId);
+        onUnrecoverableError(exception,
+                UserAction.REQUESTED_CHANNEL,
+                NewPipe.getNameOfService(serviceId),
+                url,
+                errorId);
         return true;
     }
 
@@ -501,6 +506,6 @@ public class ChannelFragment extends BaseListInfoFragment<ChannelInfo> {
     @Override
     public void setTitle(String title) {
         super.setTitle(title);
-        headerTitleView.setText(title);
+        if (!useAsFrontPage) headerTitleView.setText(title);
     }
 }

app/src/main/java/org/schabi/newpipe/fragments/list/kiosk/KioskFragment.java

@@ -11,22 +11,20 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.ListExtractor;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
-import org.schabi.newpipe.extractor.UrlIdHandler;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.kiosk.KioskInfo;
-import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.extractor.linkhandler.ListLinkHandlerFactory;
+import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
+import org.schabi.newpipe.extractor.linkhandler.LinkHandlerFactory;
 import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
-import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.KioskTranslator;
-import org.schabi.newpipe.util.NavigationHelper;
 
 import icepick.State;
 import io.reactivex.Single;
@@ -59,6 +57,7 @@ public class KioskFragment extends BaseListInfoFragment<KioskInfo> {
     protected String kioskId = "";
     protected String kioskTranslatedName;
 
+
     /*//////////////////////////////////////////////////////////////////////////
     // Views
     //////////////////////////////////////////////////////////////////////////*/
@@ -74,11 +73,10 @@ public class KioskFragment extends BaseListInfoFragment<KioskInfo> {
             throws ExtractionException {
         KioskFragment instance = new KioskFragment();
         StreamingService service = NewPipe.getService(serviceId);
-        UrlIdHandler kioskTypeUrlIdHandler = service.getKioskList()
-                .getUrlIdHandlerByType(kioskId);
+        ListLinkHandlerFactory kioskLinkHandlerFactory = service.getKioskList()
+                .getListLinkHandlerFactoryByType(kioskId);
         instance.setInitialData(serviceId,
-                kioskTypeUrlIdHandler.getUrl(kioskId),
-                kioskId);
+                kioskLinkHandlerFactory.fromId(kioskId).getUrl(), kioskId);
         instance.kioskId = kioskId;
         return instance;
     }
@@ -137,7 +135,10 @@ public class KioskFragment extends BaseListInfoFragment<KioskInfo> {
                 .getDefaultSharedPreferences(activity)
                 .getString(getString(R.string.content_country_key),
                         getString(R.string.default_country_value));
-        return ExtractorHelper.getKioskInfo(serviceId, url, contentCountry, forceReload);
+        return ExtractorHelper.getKioskInfo(serviceId,
+                url,
+                contentCountry,
+                forceReload);
     }
 
     @Override
@@ -146,7 +147,10 @@ public class KioskFragment extends BaseListInfoFragment<KioskInfo> {
                 .getDefaultSharedPreferences(activity)
                 .getString(getString(R.string.content_country_key),
                         getString(R.string.default_country_value));
-        return ExtractorHelper.getMoreKioskItems(serviceId, url, currentNextPageUrl, contentCountry);
+        return ExtractorHelper.getMoreKioskItems(serviceId,
+                url,
+                currentNextPageUrl,
+                contentCountry);
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -164,7 +168,9 @@ public class KioskFragment extends BaseListInfoFragment<KioskInfo> {
         super.handleResult(result);
 
         name = kioskTranslatedName;
-        setTitle(kioskTranslatedName);
+        if(!useAsFrontPage) {
+            setTitle(kioskTranslatedName);
+        }
 
         if (!result.getErrors().isEmpty()) {
             showSnackBarError(result.getErrors(),

app/src/main/java/org/schabi/newpipe/fragments/list/playlist/PlaylistFragment.java

@@ -6,6 +6,7 @@ import android.content.DialogInterface;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -19,6 +20,7 @@ import android.widget.TextView;
 
 import org.reactivestreams.Subscriber;
 import org.reactivestreams.Subscription;
+import org.schabi.newpipe.App;
 import org.schabi.newpipe.NewPipeDatabase;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
@@ -27,14 +29,15 @@ import org.schabi.newpipe.extractor.ListExtractor;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
+import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
 import org.schabi.newpipe.fragments.list.BaseListInfoFragment;
-import org.schabi.newpipe.fragments.local.RemotePlaylistManager;
 import org.schabi.newpipe.info_list.InfoItemDialog;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.PlaylistPlayQueue;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.local.playlist.RemotePlaylistManager;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.PlaylistPlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
+import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.ImageDisplayConstants;
@@ -45,6 +48,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+import io.reactivex.Flowable;
 import io.reactivex.Single;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
@@ -94,7 +98,8 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         super.onCreate(savedInstanceState);
         disposables = new CompositeDisposable();
         isBookmarkButtonReady = new AtomicBoolean(false);
-        remotePlaylistManager = new RemotePlaylistManager(NewPipeDatabase.getInstance(getContext()));
+        remotePlaylistManager = new RemotePlaylistManager(NewPipeDatabase.getInstance(
+                requireContext()));
     }
 
     @Override
@@ -143,6 +148,7 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
                 context.getResources().getString(R.string.start_here_on_main),
                 context.getResources().getString(R.string.start_here_on_background),
                 context.getResources().getString(R.string.start_here_on_popup),
+                context.getResources().getString(R.string.share)
         };
 
         final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
@@ -163,6 +169,9 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
                 case 4:
                     NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
                     break;
+                case 5:
+                    shareUrl(item.getName(), item.getUrl());
+                    break;
                 default:
                     break;
             }
@@ -262,11 +271,16 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         if (!TextUtils.isEmpty(result.getUploaderName())) {
             headerUploaderName.setText(result.getUploaderName());
             if (!TextUtils.isEmpty(result.getUploaderUrl())) {
-                headerUploaderLayout.setOnClickListener(v ->
+                headerUploaderLayout.setOnClickListener(v -> {
+                    try {
                         NavigationHelper.openChannelFragment(getFragmentManager(),
-                                result.getServiceId(), result.getUploaderUrl(),
-                                result.getUploaderName())
-                );
+                                result.getServiceId(),
+                                result.getUploaderUrl(),
+                                result.getUploaderName());
+                    } catch (Exception e) {
+                        ErrorActivity.reportUiError((AppCompatActivity) getActivity(), e);
+                    }
+                });
             }
         }
 
@@ -282,14 +296,11 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         }
 
         remotePlaylistManager.getPlaylist(result)
+                .flatMap(lists -> getUpdateProcessor(lists, result), (lists, id) -> lists)
                 .onBackpressureLatest()
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(getPlaylistBookmarkSubscriber());
 
-        remotePlaylistManager.onUpdate(result)
-                .subscribeOn(AndroidSchedulers.mainThread())
-                .subscribe(integer -> {/* Do nothing*/}, this::onError);
-
         headerPlayAllButton.setOnClickListener(view ->
                 NavigationHelper.playOnMainPlayer(activity, getPlayQueue()));
         headerPopupButton.setOnClickListener(view ->
@@ -337,7 +348,11 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         if (super.onError(exception)) return true;
 
         int errorId = exception instanceof ExtractionException ? R.string.parsing_error : R.string.general_error;
-        onUnrecoverableError(exception, UserAction.REQUESTED_PLAYLIST, NewPipe.getNameOfService(serviceId), url, errorId);
+        onUnrecoverableError(exception,
+                UserAction.REQUESTED_PLAYLIST,
+                NewPipe.getNameOfService(serviceId),
+                url,
+                errorId);
         return true;
     }
 
@@ -345,6 +360,17 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
+    private Flowable<Integer> getUpdateProcessor(@NonNull List<PlaylistRemoteEntity> playlists,
+                                                 @NonNull PlaylistInfo result) {
+        final Flowable<Integer> noItemToUpdate = Flowable.just(/*noItemToUpdate=*/-1);
+        if (playlists.isEmpty()) return noItemToUpdate;
+
+        final PlaylistRemoteEntity playlistEntity = playlists.get(0);
+        if (playlistEntity.isIdenticalTo(result)) return noItemToUpdate;
+
+        return remotePlaylistManager.onUpdate(playlists.get(0).getUid(), result).toFlowable();
+    }
+
     private Subscriber<List<PlaylistRemoteEntity>> getPlaylistBookmarkSubscriber() {
         return new Subscriber<List<PlaylistRemoteEntity>>() {
             @Override
@@ -417,4 +443,4 @@ public class PlaylistFragment extends BaseListInfoFragment<PlaylistInfo> {
         playlistBookmarkButton.setIcon(ThemeHelper.resolveResourceIdFromAttr(activity, iconAttr));
         playlistBookmarkButton.setTitle(titleRes);
     }
-}
+}

app/src/main/java/org/schabi/newpipe/fragments/list/search/SearchFragment.java

@@ -37,26 +37,30 @@ import org.schabi.newpipe.extractor.ListExtractor;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.StreamingService;
 import org.schabi.newpipe.extractor.exceptions.ParsingException;
-import org.schabi.newpipe.extractor.search.SearchEngine;
-import org.schabi.newpipe.extractor.search.SearchResult;
+import org.schabi.newpipe.extractor.search.SearchExtractor;
+import org.schabi.newpipe.extractor.search.SearchInfo;
 import org.schabi.newpipe.fragments.BackPressable;
 import org.schabi.newpipe.fragments.list.BaseListFragment;
-import org.schabi.newpipe.history.HistoryRecordManager;
+import org.schabi.newpipe.local.history.HistoryRecordManager;
+import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.AnimationUtils;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.LayoutManagerSmoothScroller;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.ServiceHelper;
 
 import java.io.IOException;
 import java.io.InterruptedIOException;
 import java.net.SocketException;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
 import java.util.Queue;
-import java.util.concurrent.Callable;
 import java.util.concurrent.TimeUnit;
 
 import icepick.State;
@@ -65,14 +69,15 @@ import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
-import io.reactivex.functions.Consumer;
 import io.reactivex.schedulers.Schedulers;
 import io.reactivex.subjects.PublishSubject;
 
+import static java.util.Arrays.asList;
+
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
 
 public class SearchFragment
-        extends BaseListFragment<SearchResult, ListExtractor.InfoItemsPage>
+        extends BaseListFragment<SearchInfo, ListExtractor.InfoItemsPage>
         implements BackPressable {
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -92,19 +97,29 @@ public class SearchFragment
 
     @State
     protected int filterItemCheckedId = -1;
-    private SearchEngine.Filter filter = SearchEngine.Filter.ANY;
 
     @State
     protected int serviceId = Constants.NO_SERVICE_ID;
+    
+    // this three represet the current search query
     @State
-    protected String searchQuery;
+    protected String searchString;
     @State
-    protected String lastSearchedQuery;
+    protected String[] contentFilter;
+    @State
+    protected String sortFilter;
+    
+    // these represtent the last search
+    @State
+    protected String lastSearchedString;
+    
     @State
     protected boolean wasSearchFocused = false;
 
-    private int currentPage = 0;
-    private int currentNextPage = 0;
+    private Map<Integer, String> menuItemToFilterName;
+    private StreamingService service;
+    private String currentPageUrl;
+    private String nextPageUrl;
     private String contentCountry;
     private boolean isSuggestionsEnabled = true;
     private boolean isSearchHistoryEnabled = true;
@@ -130,11 +145,11 @@ public class SearchFragment
 
     /*////////////////////////////////////////////////////////////////////////*/
 
-    public static SearchFragment getInstance(int serviceId, String query) {
+    public static SearchFragment getInstance(int serviceId, String searchString) {
         SearchFragment searchFragment = new SearchFragment();
-        searchFragment.setQuery(serviceId, query);
+        searchFragment.setQuery(serviceId, searchString, new String[0], "");
 
-        if (!TextUtils.isEmpty(query)) {
+        if (!TextUtils.isEmpty(searchString)) {
             searchFragment.setSearchOnResume();
         }
 
@@ -202,13 +217,22 @@ public class SearchFragment
         if (DEBUG) Log.d(TAG, "onResume() called");
         super.onResume();
 
-        if (!TextUtils.isEmpty(searchQuery)) {
+        try {
+            service = NewPipe.getService(serviceId);
+        } catch (Exception e) {
+            ErrorActivity.reportError(getActivity(), e, getActivity().getClass(),
+                    getActivity().findViewById(android.R.id.content),
+                    ErrorActivity.ErrorInfo.make(UserAction.UI_ERROR,
+                            "",
+                            "", R.string.general_error));
+        }
+
+        if (!TextUtils.isEmpty(searchString)) {
             if (wasLoading.getAndSet(false)) {
-                if (currentNextPage > currentPage) loadMoreItems();
-                else search(searchQuery);
+                search(searchString, contentFilter, sortFilter);
             } else if (infoListAdapter.getItemsList().size() == 0) {
                 if (savedState == null) {
-                    search(searchQuery);
+                    search(searchString, contentFilter, sortFilter);
                 } else if (!isLoading.get() && !wasSearchFocused) {
                     infoListAdapter.clearStreamItemList();
                     showEmptyState();
@@ -218,7 +242,7 @@ public class SearchFragment
 
         if (suggestionDisposable == null || suggestionDisposable.isDisposed()) initSuggestionObserver();
 
-        if (TextUtils.isEmpty(searchQuery) || wasSearchFocused) {
+        if (TextUtils.isEmpty(searchString) || wasSearchFocused) {
             showKeyboardSearch();
             showSuggestionsPanel();
         } else {
@@ -247,8 +271,9 @@ public class SearchFragment
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         switch (requestCode) {
             case ReCaptchaActivity.RECAPTCHA_REQUEST:
-                if (resultCode == Activity.RESULT_OK && !TextUtils.isEmpty(searchQuery)) {
-                    search(searchQuery);
+                if (resultCode == Activity.RESULT_OK
+                        && !TextUtils.isEmpty(searchString)) {
+                    search(searchString, contentFilter, sortFilter);
                 } else Log.e(TAG, "ReCaptcha failed");
                 break;
 
@@ -282,20 +307,22 @@ public class SearchFragment
     @Override
     public void writeTo(Queue<Object> objectsToSave) {
         super.writeTo(objectsToSave);
-        objectsToSave.add(currentPage);
-        objectsToSave.add(currentNextPage);
+        objectsToSave.add(currentPageUrl);
+        objectsToSave.add(nextPageUrl);
     }
 
     @Override
     public void readFrom(@NonNull Queue<Object> savedObjects) throws Exception {
         super.readFrom(savedObjects);
-        currentPage = (int) savedObjects.poll();
-        currentNextPage = (int) savedObjects.poll();
+        currentPageUrl = (String) savedObjects.poll();
+        nextPageUrl = (String) savedObjects.poll();
     }
 
     @Override
     public void onSaveInstanceState(Bundle bundle) {
-        searchQuery = searchEditText != null ? searchEditText.getText().toString() : searchQuery;
+        searchString = searchEditText != null
+                ? searchEditText.getText().toString()
+                : searchString;
         super.onSaveInstanceState(bundle);
     }
 
@@ -305,8 +332,11 @@ public class SearchFragment
 
     @Override
     public void reloadContent() {
-        if (!TextUtils.isEmpty(searchQuery) || (searchEditText != null && !TextUtils.isEmpty(searchEditText.getText()))) {
-            search(!TextUtils.isEmpty(searchQuery) ? searchQuery : searchEditText.getText().toString());
+        if (!TextUtils.isEmpty(searchString)
+                || (searchEditText != null && !TextUtils.isEmpty(searchEditText.getText()))) {
+            search(!TextUtils.isEmpty(searchString)
+                    ? searchString
+                    : searchEditText.getText().toString(), new String[0], "");
         } else {
             if (searchEditText != null) {
                 searchEditText.setText("");
@@ -330,22 +360,35 @@ public class SearchFragment
             supportActionBar.setDisplayHomeAsUpEnabled(true);
         }
 
-        inflater.inflate(R.menu.menu_search, menu);
+        menuItemToFilterName = new HashMap<>();
+
+        int itemId = 0;
+        boolean isFirstItem = true;
+        final Context c = getContext();
+        for(String filter : service.getSearchQHFactory().getAvailableContentFilter()) {
+            menuItemToFilterName.put(itemId, filter);
+            MenuItem item = menu.add(1,
+                    itemId++,
+                    0,
+                    ServiceHelper.getTranslatedFilterString(filter, c));
+            if(isFirstItem) {
+                item.setChecked(true);
+                isFirstItem = false;
+            }
+        }
+        menu.setGroupCheckable(1, true, true);
+
         restoreFilterChecked(menu, filterItemCheckedId);
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.menu_filter_all:
-            case R.id.menu_filter_video:
-            case R.id.menu_filter_channel:
-            case R.id.menu_filter_playlist:
-                changeFilter(item, getFilterFromMenuId(item.getItemId()));
-                return true;
-            default:
-                return super.onOptionsItemSelected(item);
-        }
+
+        List<String> contentFilter = new ArrayList<>(1);
+        contentFilter.add(menuItemToFilterName.get(item.getItemId()));
+        changeContentFilter(item, contentFilter);
+
+        return true;
     }
 
     private void restoreFilterChecked(Menu menu, int itemId) {
@@ -354,21 +397,6 @@ public class SearchFragment
             if (item == null) return;
 
             item.setChecked(true);
-            filter = getFilterFromMenuId(itemId);
-        }
-    }
-
-    private SearchEngine.Filter getFilterFromMenuId(int itemId) {
-        switch (itemId) {
-            case R.id.menu_filter_video:
-                return SearchEngine.Filter.STREAM;
-            case R.id.menu_filter_channel:
-                return SearchEngine.Filter.CHANNEL;
-            case R.id.menu_filter_playlist:
-                return SearchEngine.Filter.PLAYLIST;
-            case R.id.menu_filter_all:
-            default:
-                return SearchEngine.Filter.ANY;
         }
     }
 
@@ -379,14 +407,21 @@ public class SearchFragment
     private TextWatcher textWatcher;
 
     private void showSearchOnStart() {
-        if (DEBUG) Log.d(TAG, "showSearchOnStart() called, searchQuery → " + searchQuery+", lastSearchedQuery → " + lastSearchedQuery);
-        searchEditText.setText(searchQuery);
+        if (DEBUG) Log.d(TAG, "showSearchOnStart() called, searchQuery → "
+                + searchString
+                + ", lastSearchedQuery → "
+                + lastSearchedString);
+        searchEditText.setText(searchString);
 
-        if (TextUtils.isEmpty(searchQuery) || TextUtils.isEmpty(searchEditText.getText())) {
+        if (TextUtils.isEmpty(searchString) || TextUtils.isEmpty(searchEditText.getText())) {
             searchToolbarContainer.setTranslationX(100);
             searchToolbarContainer.setAlpha(0f);
             searchToolbarContainer.setVisibility(View.VISIBLE);
-            searchToolbarContainer.animate().translationX(0).alpha(1f).setDuration(200).setInterpolator(new DecelerateInterpolator()).start();
+            searchToolbarContainer.animate()
+                    .translationX(0)
+                    .alpha(1f)
+                    .setDuration(200)
+                    .setInterpolator(new DecelerateInterpolator()).start();
         } else {
             searchToolbarContainer.setTranslationX(0);
             searchToolbarContainer.setAlpha(1f);
@@ -396,47 +431,38 @@ public class SearchFragment
 
     private void initSearchListeners() {
         if (DEBUG) Log.d(TAG, "initSearchListeners() called");
-        searchClear.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (DEBUG) Log.d(TAG, "onClick() called with: v = [" + v + "]");
-                if (TextUtils.isEmpty(searchEditText.getText())) {
-                    NavigationHelper.gotoMainFragment(getFragmentManager());
-                    return;
-                }
-
-                searchEditText.setText("");
-                suggestionListAdapter.setItems(new ArrayList<SuggestionItem>());
-                showKeyboardSearch();
+        searchClear.setOnClickListener(v -> {
+            if (DEBUG) Log.d(TAG, "onClick() called with: v = [" + v + "]");
+            if (TextUtils.isEmpty(searchEditText.getText())) {
+                NavigationHelper.gotoMainFragment(getFragmentManager());
+                return;
             }
+
+            searchEditText.setText("");
+            suggestionListAdapter.setItems(new ArrayList<>());
+            showKeyboardSearch();
         });
 
         TooltipCompat.setTooltipText(searchClear, getString(R.string.clear));
 
-        searchEditText.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (DEBUG) Log.d(TAG, "onClick() called with: v = [" + v + "]");
-                if (isSuggestionsEnabled && errorPanelRoot.getVisibility() != View.VISIBLE) {
-                    showSuggestionsPanel();
-                }
+        searchEditText.setOnClickListener(v -> {
+            if (DEBUG) Log.d(TAG, "onClick() called with: v = [" + v + "]");
+            if (isSuggestionsEnabled && errorPanelRoot.getVisibility() != View.VISIBLE) {
+                showSuggestionsPanel();
             }
         });
 
-        searchEditText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
-            @Override
-            public void onFocusChange(View v, boolean hasFocus) {
-                if (DEBUG) Log.d(TAG, "onFocusChange() called with: v = [" + v + "], hasFocus = [" + hasFocus + "]");
-                if (isSuggestionsEnabled && hasFocus && errorPanelRoot.getVisibility() != View.VISIBLE) {
-                    showSuggestionsPanel();
-                }
+        searchEditText.setOnFocusChangeListener((View v, boolean hasFocus) -> {
+            if (DEBUG) Log.d(TAG, "onFocusChange() called with: v = [" + v + "], hasFocus = [" + hasFocus + "]");
+            if (isSuggestionsEnabled && hasFocus && errorPanelRoot.getVisibility() != View.VISIBLE) {
+                showSuggestionsPanel();
             }
         });
 
         suggestionListAdapter.setListener(new SuggestionListAdapter.OnSuggestionItemSelected() {
             @Override
             public void onSuggestionItemSelected(SuggestionItem item) {
-                search(item.query);
+                search(item.query, new String[0], "");
                 searchEditText.setText(item.query);
             }
 
@@ -469,21 +495,22 @@ public class SearchFragment
             }
         };
         searchEditText.addTextChangedListener(textWatcher);
-        searchEditText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
-            @Override
-            public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
-                if (DEBUG) {
-                    Log.d(TAG, "onEditorAction() called with: v = [" + v + "], actionId = [" + actionId + "], event = [" + event + "]");
-                }
-                if (event != null && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER || event.getAction() == EditorInfo.IME_ACTION_SEARCH)) {
-                    search(searchEditText.getText().toString());
-                    return true;
-                }
-                return false;
-            }
-        });
+        searchEditText.setOnEditorActionListener(
+                (TextView v, int actionId, KeyEvent event) -> {
+                    if (DEBUG) {
+                        Log.d(TAG, "onEditorAction() called with: v = [" + v + "], actionId = [" + actionId + "], event = [" + event + "]");
+                    }
+                    if (event != null
+                            && (event.getKeyCode() == KeyEvent.KEYCODE_ENTER
+                                || event.getAction() == EditorInfo.IME_ACTION_SEARCH)) {
+                        search(searchEditText.getText().toString(), new String[0], "");
+                        return true;
+                    }
+                    return false;
+                });
 
-        if (suggestionDisposable == null || suggestionDisposable.isDisposed()) initSuggestionObserver();
+        if (suggestionDisposable == null || suggestionDisposable.isDisposed())
+            initSuggestionObserver();
     }
 
     private void unsetSearchListeners() {
@@ -513,7 +540,8 @@ public class SearchFragment
         if (searchEditText == null) return;
 
         if (searchEditText.requestFocus()) {
-            InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
+            InputMethodManager imm = (InputMethodManager) activity.getSystemService(
+                    Context.INPUT_METHOD_SERVICE);
             imm.showSoftInput(searchEditText, InputMethodManager.SHOW_IMPLICIT);
         }
     }
@@ -522,8 +550,10 @@ public class SearchFragment
         if (DEBUG) Log.d(TAG, "hideKeyboardSearch() called");
         if (searchEditText == null) return;
 
-        InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);
-        imm.hideSoftInputFromWindow(searchEditText.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
+        InputMethodManager imm = (InputMethodManager) activity.getSystemService(
+                Context.INPUT_METHOD_SERVICE);
+        imm.hideSoftInputFromWindow(searchEditText.getWindowToken(),
+                InputMethodManager.HIDE_NOT_ALWAYS);
 
         searchEditText.clearFocus();
     }
@@ -544,9 +574,8 @@ public class SearchFragment
                                     howManyDeleted -> suggestionPublisher
                                             .onNext(searchEditText.getText().toString()),
                                     throwable -> showSnackBarError(throwable,
-                                            UserAction.SOMETHING_ELSE, "none",
-                                            "Deleting item failed", R.string.general_error)
-                            );
+                                            UserAction.DELETE_FROM_HISTORY, "none",
+                                            "Deleting item failed", R.string.general_error));
                     disposables.add(onDelete);
                 })
                 .show();
@@ -554,10 +583,12 @@ public class SearchFragment
 
     @Override
     public boolean onBackPressed() {
-        if (suggestionsPanel.getVisibility() == View.VISIBLE && infoListAdapter.getItemsList().size() > 0 && !isLoading.get()) {
+        if (suggestionsPanel.getVisibility() == View.VISIBLE
+                && infoListAdapter.getItemsList().size() > 0
+                && !isLoading.get()) {
             hideSuggestionsPanel();
             hideKeyboardSearch();
-            searchEditText.setText(lastSearchedQuery);
+            searchEditText.setText(lastSearchedString);
             return true;
         }
         return false;
@@ -573,8 +604,10 @@ public class SearchFragment
 
         final Observable<String> observable = suggestionPublisher
                 .debounce(SUGGESTIONS_DEBOUNCE, TimeUnit.MILLISECONDS)
-                .startWith(searchQuery != null ? searchQuery : "")
-                .filter(query -> isSuggestionsEnabled);
+                .startWith(searchString != null
+                        ? searchString
+                        : "")
+                .filter(searchString -> isSuggestionsEnabled);
 
         suggestionDisposable = observable
                 .switchMap(query -> {
@@ -645,56 +678,44 @@ public class SearchFragment
         // no-op
     }
 
-    private void search(final String query) {
-        if (DEBUG) Log.d(TAG, "search() called with: query = [" + query + "]");
-        if (query.isEmpty()) return;
+    private void search(final String searchString, String[] contentFilter, String sortFilter) {
+        if (DEBUG) Log.d(TAG, "search() called with: query = [" + searchString + "]");
+        if (searchString.isEmpty()) return;
 
         try {
-            final StreamingService service = NewPipe.getServiceByUrl(query);
+            final StreamingService service = NewPipe.getServiceByUrl(searchString);
             if (service != null) {
                 showLoading();
                 disposables.add(Observable
-                        .fromCallable(new Callable<Intent>() {
-                            @Override
-                            public Intent call() throws Exception {
-                                return NavigationHelper.getIntentByLink(activity, service, query);
-                            }
-                        })
+                        .fromCallable(() ->
+                                NavigationHelper.getIntentByLink(activity, service, searchString))
                         .subscribeOn(Schedulers.io())
                         .observeOn(AndroidSchedulers.mainThread())
-                        .subscribe(new Consumer<Intent>() {
-                            @Override
-                            public void accept(Intent intent) throws Exception {
-                                getFragmentManager().popBackStackImmediate();
-                                activity.startActivity(intent);
-                            }
-                        }, new Consumer<Throwable>() {
-                            @Override
-                            public void accept(Throwable throwable) throws Exception {
-                                showError(getString(R.string.url_not_supported_toast), false);
-                            }
-                        }));
+                        .subscribe(intent -> {
+                            getFragmentManager().popBackStackImmediate();
+                            activity.startActivity(intent);
+                        }, throwable ->
+                                showError(getString(R.string.url_not_supported_toast), false)));
                 return;
             }
         } catch (Exception e) {
             // Exception occurred, it's not a url
         }
 
-        lastSearchedQuery = query;
-        searchQuery = query;
-        currentPage = 0;
+        lastSearchedString = this.searchString;
+        this.searchString = searchString;
         infoListAdapter.clearStreamItemList();
         hideSuggestionsPanel();
         hideKeyboardSearch();
 
-        historyRecordManager.onSearched(serviceId, query)
+        historyRecordManager.onSearched(serviceId, searchString)
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(
                         ignored -> {},
                         error -> showSnackBarError(error, UserAction.SEARCHED,
-                                NewPipe.getNameOfService(serviceId), query, 0)
+                                NewPipe.getNameOfService(serviceId), searchString, 0)
                 );
-        suggestionPublisher.onNext(query);
+        suggestionPublisher.onNext(searchString);
         startLoading(false);
     }
 
@@ -703,11 +724,16 @@ public class SearchFragment
         super.startLoading(forceLoad);
         if (disposables != null) disposables.clear();
         if (searchDisposable != null) searchDisposable.dispose();
-        searchDisposable = ExtractorHelper.searchFor(serviceId, searchQuery, currentPage, contentCountry, filter)
+        searchDisposable = ExtractorHelper.searchFor(serviceId,
+                    searchString,
+                    Arrays.asList(contentFilter),
+                    sortFilter,
+                    contentCountry)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .doOnEvent((searchResult, throwable) -> isLoading.set(false))
                 .subscribe(this::handleResult, this::onError);
+
     }
 
     @Override
@@ -715,8 +741,13 @@ public class SearchFragment
         isLoading.set(true);
         showListFooter(true);
         if (searchDisposable != null) searchDisposable.dispose();
-        currentNextPage = currentPage + 1;
-        searchDisposable = ExtractorHelper.getMoreSearchItems(serviceId, searchQuery, currentNextPage, contentCountry, filter)
+        searchDisposable = ExtractorHelper.getMoreSearchItems(
+                    serviceId,
+                    searchString,
+                    asList(contentFilter),
+                    sortFilter,
+                    nextPageUrl,
+                    contentCountry)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .doOnEvent((nextItemsResult, throwable) -> isLoading.set(false))
@@ -739,19 +770,22 @@ public class SearchFragment
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
-    private void changeFilter(MenuItem item, SearchEngine.Filter filter) {
-        this.filter = filter;
+    private void changeContentFilter(MenuItem item, List<String> contentFilter) {
         this.filterItemCheckedId = item.getItemId();
         item.setChecked(true);
 
-        if (!TextUtils.isEmpty(searchQuery)) {
-            search(searchQuery);
+        this.contentFilter = new String[] {contentFilter.get(0)};
+
+        if (!TextUtils.isEmpty(searchString)) {
+            search(searchString, this.contentFilter, sortFilter);
         }
     }
 
-    private void setQuery(int serviceId, String searchQuery) {
+    private void setQuery(int serviceId, String searchString, String[] contentfilter, String sortFilter) {
         this.serviceId = serviceId;
-        this.searchQuery = searchQuery;
+        this.searchString = searchString;
+        this.contentFilter = contentfilter;
+        this.sortFilter = sortFilter;
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -772,8 +806,11 @@ public class SearchFragment
         if (DEBUG) Log.d(TAG, "onSuggestionError() called with: exception = [" + exception + "]");
         if (super.onError(exception)) return;
 
-        int errorId = exception instanceof ParsingException ? R.string.parsing_error : R.string.general_error;
-        onUnrecoverableError(exception, UserAction.GET_SUGGESTIONS, NewPipe.getNameOfService(serviceId), searchQuery, errorId);
+        int errorId = exception instanceof ParsingException
+                ? R.string.parsing_error
+                : R.string.general_error;
+        onUnrecoverableError(exception, UserAction.GET_SUGGESTIONS,
+                NewPipe.getNameOfService(serviceId), searchString, errorId);
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -798,16 +835,22 @@ public class SearchFragment
     //////////////////////////////////////////////////////////////////////////*/
 
     @Override
-    public void handleResult(@NonNull SearchResult result) {
-        if (!result.errors.isEmpty()) {
-            showSnackBarError(result.errors, UserAction.SEARCHED, NewPipe.getNameOfService(serviceId), searchQuery, 0);
+    public void handleResult(@NonNull SearchInfo result) {
+        final List<Throwable> exceptions = result.getErrors();
+        if (!exceptions.isEmpty()
+            && !(exceptions.size() == 1
+                && exceptions.get(0) instanceof SearchExtractor.NothingFoundException)){
+            showSnackBarError(result.getErrors(), UserAction.SEARCHED,
+                    NewPipe.getNameOfService(serviceId), searchString, 0);
         }
 
-        lastSearchedQuery = searchQuery;
+        lastSearchedString = searchString;
+        nextPageUrl = result.getNextPageUrl();
+        currentPageUrl = result.getUrl();
 
         if (infoListAdapter.getItemsList().size() == 0) {
-            if (!result.getResults().isEmpty()) {
-                infoListAdapter.addInfoItemList(result.getResults());
+            if (!result.getRelatedItems().isEmpty()) {
+                infoListAdapter.addInfoItemList(result.getRelatedItems());
             } else {
                 infoListAdapter.clearStreamItemList();
                 showEmptyState();
@@ -821,12 +864,14 @@ public class SearchFragment
     @Override
     public void handleNextItems(ListExtractor.InfoItemsPage result) {
         showListFooter(false);
-        currentPage = Integer.parseInt(result.getNextPageUrl());
+        currentPageUrl = result.getNextPageUrl();
         infoListAdapter.addInfoItemList(result.getItems());
+        nextPageUrl = result.getNextPageUrl();
 
         if (!result.getErrors().isEmpty()) {
-            showSnackBarError(result.getErrors(), UserAction.SEARCHED, NewPipe.getNameOfService(serviceId)
-                    , "\"" + searchQuery + "\" → page " + currentPage, 0);
+            showSnackBarError(result.getErrors(), UserAction.SEARCHED,
+                    NewPipe.getNameOfService(serviceId)
+                    , "\"" + searchString + "\" → page: " + nextPageUrl, 0);
         }
         super.handleNextItems(result);
     }
@@ -835,12 +880,15 @@ public class SearchFragment
     protected boolean onError(Throwable exception) {
         if (super.onError(exception)) return true;
 
-        if (exception instanceof SearchEngine.NothingFoundException) {
+        if (exception instanceof SearchExtractor.NothingFoundException) {
             infoListAdapter.clearStreamItemList();
             showEmptyState();
         } else {
-            int errorId = exception instanceof ParsingException ? R.string.parsing_error : R.string.general_error;
-            onUnrecoverableError(exception, UserAction.SEARCHED, NewPipe.getNameOfService(serviceId), searchQuery, errorId);
+            int errorId = exception instanceof ParsingException
+                    ? R.string.parsing_error
+                    : R.string.general_error;
+            onUnrecoverableError(exception, UserAction.SEARCHED,
+                    NewPipe.getNameOfService(serviceId), searchString, errorId);
         }
 
         return true;

app/src/main/java/org/schabi/newpipe/fragments/list/search/SuggestionListAdapter.java

@@ -63,24 +63,15 @@ public class SuggestionListAdapter extends RecyclerView.Adapter<SuggestionListAd
     public void onBindViewHolder(SuggestionItemHolder holder, int position) {
         final SuggestionItem currentItem = getItem(position);
         holder.updateFrom(currentItem);
-        holder.queryView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (listener != null) listener.onSuggestionItemSelected(currentItem);
-            }
+        holder.queryView.setOnClickListener(v -> {
+            if (listener != null) listener.onSuggestionItemSelected(currentItem);
         });
-        holder.queryView.setOnLongClickListener(new View.OnLongClickListener() {
-            @Override
-            public boolean onLongClick(View v) {
+        holder.queryView.setOnLongClickListener(v -> {
                 if (listener != null) listener.onSuggestionItemLongClick(currentItem);
                 return true;
-            }
         });
-        holder.insertView.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (listener != null) listener.onSuggestionItemInserted(currentItem);
-            }
+        holder.insertView.setOnClickListener(v -> {
+            if (listener != null) listener.onSuggestionItemInserted(currentItem);
         });
     }
 

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/LastPlayedFragment.java

@@ -1,21 +0,0 @@
-package org.schabi.newpipe.fragments.local.bookmark;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
-
-import java.util.Collections;
-import java.util.List;
-
-public final class LastPlayedFragment extends StatisticsPlaylistFragment {
-    @Override
-    protected String getName() {
-        return getString(R.string.title_last_played);
-    }
-
-    @Override
-    protected List<StreamStatisticsEntry> processResult(List<StreamStatisticsEntry> results)  {
-        Collections.sort(results, (left, right) ->
-                right.latestAccessDate.compareTo(left.latestAccessDate));
-        return results;
-    }
-}

app/src/main/java/org/schabi/newpipe/fragments/local/bookmark/MostPlayedFragment.java

@@ -1,22 +0,0 @@
-package org.schabi.newpipe.fragments.local.bookmark;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
-
-import java.util.Collections;
-import java.util.List;
-
-public final class MostPlayedFragment extends StatisticsPlaylistFragment {
-    @Override
-    protected String getName() {
-        return getString(R.string.title_most_played);
-    }
-
-    @Override
-    protected List<StreamStatisticsEntry> processResult(List<StreamStatisticsEntry> results)  {
-        Collections.sort(results, (left, right) ->
-                ((Long) right.watchCount).compareTo(left.watchCount));
-        return results;
-    }
-
-}

app/src/main/java/org/schabi/newpipe/history/HistoryActivity.java

@@ -1,141 +0,0 @@
-package org.schabi.newpipe.history;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.support.design.widget.FloatingActionButton;
-import android.support.design.widget.TabLayout;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentPagerAdapter;
-import android.support.v4.app.FragmentStatePagerAdapter;
-import android.support.v4.view.ViewPager;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
-import android.view.Menu;
-import android.view.MenuItem;
-
-import com.jakewharton.rxbinding2.view.RxView;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.settings.SettingsActivity;
-import org.schabi.newpipe.util.ThemeHelper;
-
-import io.reactivex.android.schedulers.AndroidSchedulers;
-
-public class HistoryActivity extends AppCompatActivity {
-
-    private static final String TAG = "HistoryActivity";
-    /**
-     * The {@link android.support.v4.view.PagerAdapter} that will provide
-     * fragments for each of the sections. We use a
-     * {@link FragmentPagerAdapter} derivative, which will keep every
-     * loaded fragment in memory. If this becomes too memory intensive, it
-     * may be best to switch to a
-     * {@link android.support.v4.app.FragmentStatePagerAdapter}.
-     */
-    private SectionsPagerAdapter mSectionsPagerAdapter;
-
-    /**
-     * The {@link ViewPager} that will host the section contents.
-     */
-    private ViewPager mViewPager;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        ThemeHelper.setTheme(this);
-        setContentView(R.layout.activity_history);
-
-        Toolbar toolbar = findViewById(R.id.toolbar);
-        setSupportActionBar(toolbar);
-        if (getSupportActionBar() != null) {
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-            getSupportActionBar().setTitle(R.string.title_activity_history);
-        }
-        // Create the adapter that will return a fragment for each of the three
-        // primary sections of the activity.
-        mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
-
-        // Set up the ViewPager with the sections adapter.
-        mViewPager = findViewById(R.id.container);
-        mViewPager.setAdapter(mSectionsPagerAdapter);
-
-        TabLayout tabLayout = findViewById(R.id.tabs);
-        tabLayout.setupWithViewPager(mViewPager);
-
-        final FloatingActionButton fab = findViewById(R.id.fab);
-        RxView.clicks(fab)
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(ignored -> {
-                    int currentItem = mViewPager.getCurrentItem();
-                    HistoryFragment fragment = (HistoryFragment) mSectionsPagerAdapter
-                            .instantiateItem(mViewPager, currentItem);
-                    fragment.onHistoryCleared();
-                });
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
-        getMenuInflater().inflate(R.menu.menu_history, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        switch (item.getItemId()) {
-            case android.R.id.home:
-                finish();
-                return true;
-            case R.id.action_settings:
-                Intent intent = new Intent(this, SettingsActivity.class);
-                startActivity(intent);
-                return true;
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    /**
-     * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
-     * one of the sections/tabs/pages.
-     */
-    public class SectionsPagerAdapter extends FragmentStatePagerAdapter {
-
-        public SectionsPagerAdapter(FragmentManager fm) {
-            super(fm);
-        }
-
-        @Override
-        public Fragment getItem(int position) {
-            Fragment fragment;
-            switch (position) {
-                case 0:
-                    fragment = SearchHistoryFragment.newInstance();
-                    break;
-                case 1:
-                    fragment = WatchHistoryFragment.newInstance();
-                    break;
-                default:
-                    throw new IllegalArgumentException("position: " + position);
-            }
-            return fragment;
-        }
-
-        @Override
-        public CharSequence getPageTitle(int position) {
-            switch (position) {
-                case 0:
-                    return getString(R.string.title_history_search);
-                case 1:
-                    return getString(R.string.title_history_view);
-            }
-            throw new IllegalArgumentException("position: " + position);
-        }
-
-        @Override
-        public int getCount() {
-            // Show 3 total pages.
-            return 2;
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/history/HistoryFragment.java

@@ -1,286 +0,0 @@
-package org.schabi.newpipe.history;
-
-
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.os.Parcelable;
-import android.preference.PreferenceManager;
-import android.support.annotation.CallSuper;
-import android.support.annotation.MainThread;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.design.widget.Snackbar;
-import android.support.v7.app.AlertDialog;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import org.reactivestreams.Subscriber;
-import org.reactivestreams.Subscription;
-import org.schabi.newpipe.BaseFragment;
-import org.schabi.newpipe.R;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-import icepick.State;
-import io.reactivex.Flowable;
-import io.reactivex.Single;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.disposables.CompositeDisposable;
-import io.reactivex.disposables.Disposable;
-
-import static org.schabi.newpipe.util.AnimationUtils.animateView;
-
-public abstract class HistoryFragment<E> extends BaseFragment
-        implements HistoryEntryAdapter.OnHistoryItemClickListener<E> {
-
-    private SharedPreferences mSharedPreferences;
-    private String mHistoryIsEnabledKey;
-    private boolean mHistoryIsEnabled;
-    private HistoryIsEnabledChangeListener mHistoryIsEnabledChangeListener;
-
-    private View mDisabledView;
-    private View mEmptyHistoryView;
-
-    @State
-    Parcelable mRecyclerViewState;
-    private RecyclerView mRecyclerView;
-    private HistoryEntryAdapter<E, ? extends RecyclerView.ViewHolder> mHistoryAdapter;
-
-    private Subscription historySubscription;
-
-    protected HistoryRecordManager historyRecordManager;
-    protected CompositeDisposable disposables;
-
-    @StringRes
-    abstract int getEnabledConfigKey();
-
-    @CallSuper
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        mHistoryIsEnabledKey = getString(getEnabledConfigKey());
-
-        mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
-        // Read history enabled from preferences
-        mHistoryIsEnabled = isHistoryEnabled();
-        // Register history enabled listener
-        mSharedPreferences.registerOnSharedPreferenceChangeListener(mHistoryIsEnabledChangeListener);
-
-        historyRecordManager = new HistoryRecordManager(getContext());
-        disposables = new CompositeDisposable();
-    }
-
-    @NonNull
-    protected abstract HistoryEntryAdapter<E, ? extends RecyclerView.ViewHolder> createAdapter();
-
-    protected abstract Single<List<Long>> insert(final Collection<E> entries);
-
-    protected abstract Single<Integer> delete(final Collection<E> entries);
-
-    @NonNull
-    protected abstract Flowable<List<E>> getAll();
-
-    @Override
-    public void onResume() {
-        super.onResume();
-
-        getAll().observeOn(AndroidSchedulers.mainThread()).subscribe(getHistorySubscriber());
-
-        final boolean newEnabled = isHistoryEnabled();
-        if (newEnabled != mHistoryIsEnabled) {
-            onHistoryIsEnabledChanged(newEnabled);
-        }
-    }
-
-    @NonNull
-    private Subscriber<List<E>> getHistorySubscriber() {
-        return new Subscriber<List<E>>() {
-            @Override
-            public void onSubscribe(Subscription s) {
-                if (historySubscription != null) historySubscription.cancel();
-
-                historySubscription = s;
-                historySubscription.request(1);
-            }
-
-            @Override
-            public void onNext(List<E> entries) {
-                if (!entries.isEmpty()) {
-                    mHistoryAdapter.setEntries(entries);
-                    animateView(mEmptyHistoryView, false, 200);
-
-                    if (mRecyclerViewState != null) {
-                        mRecyclerView.getLayoutManager().onRestoreInstanceState(mRecyclerViewState);
-                        mRecyclerViewState = null;
-                    }
-                } else {
-                    mHistoryAdapter.clear();
-                    showEmptyHistory();
-                }
-
-                if (historySubscription != null) historySubscription.request(1);
-            }
-
-            @Override
-            public void onError(Throwable t) {
-
-            }
-
-            @Override
-            public void onComplete() {
-
-            }
-        };
-    }
-
-    private boolean isHistoryEnabled() {
-        return mSharedPreferences.getBoolean(mHistoryIsEnabledKey, false);
-    }
-
-    /**
-     * Called when the history is cleared to update the views
-     */
-    @MainThread
-    public void onHistoryCleared() {
-        if (getContext() == null) return;
-
-        new AlertDialog.Builder(getContext())
-                .setTitle(R.string.delete_all)
-                .setMessage(R.string.delete_all_history_prompt)
-                .setCancelable(true)
-                .setNegativeButton(R.string.cancel, null)
-                .setPositiveButton(R.string.delete_all, (dialog, i) -> clearHistory())
-                .show();
-    }
-
-    protected void makeSnackbar(@StringRes final int text) {
-        if (getActivity() == null) return;
-
-        View view = getActivity().findViewById(R.id.main_content);
-        if (view == null) view = mRecyclerView.getRootView();
-        Snackbar.make(view, text, Snackbar.LENGTH_LONG).show();
-    }
-
-    private void clearHistory() {
-        final Collection<E> itemsToDelete = new ArrayList<>(mHistoryAdapter.getItems());
-
-        final Disposable deletion = delete(itemsToDelete)
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(
-                        ignored -> Log.d(TAG, "Clear history deleted [" +
-                        itemsToDelete.size() + "] items."),
-                        error -> Log.e(TAG, "Clear history delete step failed", error)
-                );
-
-        final Disposable cleanUp = historyRecordManager.removeOrphanedRecords()
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(
-                        ignored -> Log.d(TAG, "Clear history deleted orphaned stream records"),
-                        error -> Log.e(TAG, "Clear history remove orphaned records failed", error)
-                );
-
-        disposables.addAll(deletion, cleanUp);
-
-        makeSnackbar(R.string.history_cleared);
-        mHistoryAdapter.clear();
-        showEmptyHistory();
-    }
-
-    private void showEmptyHistory() {
-        if (mHistoryIsEnabled) {
-            animateView(mEmptyHistoryView, true, 200);
-        }
-    }
-
-    @Nullable
-    @CallSuper
-    @Override
-    public View onCreateView(@NonNull LayoutInflater inflater,
-                             @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        View rootView = inflater.inflate(R.layout.fragment_history, container, false);
-        mRecyclerView = rootView.findViewById(R.id.history_view);
-
-        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getContext(),
-                LinearLayoutManager.VERTICAL, false);
-        mRecyclerView.setLayoutManager(layoutManager);
-
-        mHistoryAdapter = createAdapter();
-        mHistoryAdapter.setOnHistoryItemClickListener(this);
-        mRecyclerView.setAdapter(mHistoryAdapter);
-        mDisabledView = rootView.findViewById(R.id.history_disabled_view);
-        mEmptyHistoryView = rootView.findViewById(R.id.history_empty);
-
-        if (mHistoryIsEnabled) {
-            mRecyclerView.setVisibility(View.VISIBLE);
-        } else {
-            mRecyclerView.setVisibility(View.GONE);
-            mDisabledView.setVisibility(View.VISIBLE);
-        }
-
-        return rootView;
-    }
-
-    @CallSuper
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-
-        if (disposables != null) disposables.dispose();
-        if (historySubscription != null) historySubscription.cancel();
-
-        mSharedPreferences.unregisterOnSharedPreferenceChangeListener(mHistoryIsEnabledChangeListener);
-        mSharedPreferences = null;
-        mHistoryIsEnabledChangeListener = null;
-        mHistoryIsEnabledKey = null;
-        historySubscription = null;
-        disposables = null;
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        mRecyclerViewState = mRecyclerView.getLayoutManager().onSaveInstanceState();
-    }
-
-    /**
-     * Called when history enabled flag is changed.
-     *
-     * @param historyIsEnabled the new value
-     */
-    @CallSuper
-    public void onHistoryIsEnabledChanged(boolean historyIsEnabled) {
-        mHistoryIsEnabled = historyIsEnabled;
-        if (historyIsEnabled) {
-            animateView(mRecyclerView, true, 300);
-            animateView(mDisabledView, false, 300);
-            if (mHistoryAdapter.isEmpty()) {
-                animateView(mEmptyHistoryView, true, 300);
-            }
-        } else {
-            animateView(mRecyclerView, false, 300);
-            animateView(mDisabledView, true, 300);
-            animateView(mEmptyHistoryView, false, 300);
-        }
-    }
-
-    private class HistoryIsEnabledChangeListener
-            implements SharedPreferences.OnSharedPreferenceChangeListener {
-        @Override
-        public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-            if (key.equals(mHistoryIsEnabledKey)) {
-                boolean enabled = sharedPreferences.getBoolean(key, false);
-                if (mHistoryIsEnabled != enabled) {
-                    onHistoryIsEnabledChanged(enabled);
-                }
-            }
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/history/SearchHistoryFragment.java

@@ -1,145 +0,0 @@
-package org.schabi.newpipe.history;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.v7.app.AlertDialog;
-import android.support.v7.widget.RecyclerView;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.history.model.SearchHistoryEntry;
-import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.NavigationHelper;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-
-import io.reactivex.Flowable;
-import io.reactivex.Single;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.disposables.Disposable;
-
-public class SearchHistoryFragment extends HistoryFragment<SearchHistoryEntry> {
-
-    @NonNull
-    public static SearchHistoryFragment newInstance() {
-        return new SearchHistoryFragment();
-    }
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @NonNull
-    @Override
-    protected SearchHistoryAdapter createAdapter() {
-        return new SearchHistoryAdapter(getContext());
-    }
-
-    @Override
-    protected Single<List<Long>> insert(Collection<SearchHistoryEntry> entries) {
-        return historyRecordManager.insertSearches(entries);
-    }
-
-    @Override
-    protected Single<Integer> delete(Collection<SearchHistoryEntry> entries) {
-        return historyRecordManager.deleteSearches(entries);
-    }
-
-    @NonNull
-    @Override
-    protected Flowable<List<SearchHistoryEntry>> getAll() {
-        return historyRecordManager.getSearchHistory();
-    }
-
-    @StringRes
-    @Override
-    int getEnabledConfigKey() {
-        return R.string.enable_search_history_key;
-    }
-
-    @Override
-    public void onHistoryItemClick(final SearchHistoryEntry historyItem) {
-        NavigationHelper.openSearch(getContext(), historyItem.getServiceId(),
-                historyItem.getSearch());
-    }
-
-    @Override
-    public void onHistoryItemLongClick(final SearchHistoryEntry item) {
-        if (activity == null) return;
-
-        new AlertDialog.Builder(activity)
-                .setTitle(item.getSearch())
-                .setMessage(R.string.delete_item_search_history)
-                .setCancelable(true)
-                .setNeutralButton(R.string.cancel, null)
-                .setPositiveButton(R.string.delete_one, (dialog, i) -> {
-                    final Disposable onDelete = historyRecordManager
-                            .deleteSearches(Collections.singleton(item))
-                            .observeOn(AndroidSchedulers.mainThread())
-                            .subscribe(
-                                    ignored -> {/*successful*/},
-                                    error -> Log.e(TAG, "Search history Delete One failed:", error)
-                            );
-                    disposables.add(onDelete);
-                    makeSnackbar(R.string.item_deleted);
-                })
-                .setNegativeButton(R.string.delete_all, (dialog, i) -> {
-                    final Disposable onDeleteAll = historyRecordManager
-                            .deleteSearchHistory(item.getSearch())
-                            .observeOn(AndroidSchedulers.mainThread())
-                            .subscribe(
-                                    ignored -> {/*successful*/},
-                                    error -> Log.e(TAG, "Search history Delete All failed:", error)
-                            );
-                    disposables.add(onDeleteAll);
-                    makeSnackbar(R.string.item_deleted);
-                })
-                .show();
-    }
-
-    private static class ViewHolder extends RecyclerView.ViewHolder {
-        private final TextView search;
-        private final TextView info;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            search = itemView.findViewById(R.id.search);
-            info = itemView.findViewById(R.id.info);
-        }
-    }
-
-    protected class SearchHistoryAdapter extends HistoryEntryAdapter<SearchHistoryEntry, ViewHolder> {
-
-        SearchHistoryAdapter(Context context) {
-            super(context);
-        }
-
-        @Override
-        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-            LayoutInflater inflater = LayoutInflater.from(parent.getContext());
-            View rootView = inflater.inflate(R.layout.item_search_history, parent, false);
-            return new ViewHolder(rootView);
-        }
-
-        @Override
-        void onBindViewHolder(ViewHolder holder, SearchHistoryEntry entry, int position) {
-            holder.search.setText(entry.getSearch());
-
-            final String info = Localization.concatenateStrings(
-                    getFormattedDate(entry.getCreationDate()),
-                    NewPipe.getNameOfService(entry.getServiceId()));
-            holder.info.setText(info);
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/history/WatchHistoryFragment.java

@@ -1,171 +0,0 @@
-package org.schabi.newpipe.history;
-
-
-import android.content.Context;
-import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.StringRes;
-import android.support.v7.app.AlertDialog;
-import android.support.v7.widget.RecyclerView;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.TextView;
-
-import com.nostra13.universalimageloader.core.ImageLoader;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.database.history.model.StreamHistoryEntry;
-import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
-import org.schabi.newpipe.util.ImageDisplayConstants;
-import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.NavigationHelper;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-
-import io.reactivex.Flowable;
-import io.reactivex.Single;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.disposables.Disposable;
-
-
-public class WatchHistoryFragment extends HistoryFragment<StreamHistoryEntry> {
-
-    @NonNull
-    public static WatchHistoryFragment newInstance() {
-        return new WatchHistoryFragment();
-    }
-
-    @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @StringRes
-    @Override
-    int getEnabledConfigKey() {
-        return R.string.enable_watch_history_key;
-    }
-
-    @NonNull
-    @Override
-    protected StreamHistoryAdapter createAdapter() {
-        return new StreamHistoryAdapter(getContext());
-    }
-
-    @Override
-    protected Single<List<Long>> insert(Collection<StreamHistoryEntry> entries) {
-        return historyRecordManager.insertStreamHistory(entries);
-    }
-
-    @Override
-    protected Single<Integer> delete(Collection<StreamHistoryEntry> entries) {
-        return historyRecordManager.deleteStreamHistory(entries);
-    }
-
-    @NonNull
-    @Override
-    protected Flowable<List<StreamHistoryEntry>> getAll() {
-        return historyRecordManager.getStreamHistory();
-    }
-
-    @Override
-    public void onHistoryItemClick(StreamHistoryEntry historyItem) {
-        NavigationHelper.openVideoDetail(getContext(), historyItem.serviceId, historyItem.url,
-                historyItem.title);
-    }
-
-    @Override
-    public void onHistoryItemLongClick(StreamHistoryEntry item) {
-        new AlertDialog.Builder(activity)
-                .setTitle(item.title)
-                .setMessage(R.string.delete_stream_history_prompt)
-                .setCancelable(true)
-                .setNeutralButton(R.string.cancel, null)
-                .setPositiveButton(R.string.delete_one, (dialog, i) -> {
-                    final Disposable onDelete = historyRecordManager
-                            .deleteStreamHistory(Collections.singleton(item))
-                            .observeOn(AndroidSchedulers.mainThread())
-                            .subscribe(
-                                    ignored -> {/*successful*/},
-                                    error -> Log.e(TAG, "Watch history Delete One failed:", error)
-                            );
-                    disposables.add(onDelete);
-                    makeSnackbar(R.string.item_deleted);
-                })
-                .setNegativeButton(R.string.delete_all, (dialog, i) -> {
-                    final Disposable onDeleteAll = historyRecordManager
-                            .deleteStreamHistory(item.streamId)
-                            .observeOn(AndroidSchedulers.mainThread())
-                            .subscribe(
-                                    ignored -> {/*successful*/},
-                                    error -> Log.e(TAG, "Watch history Delete All failed:", error)
-                            );
-                    disposables.add(onDeleteAll);
-                    makeSnackbar(R.string.item_deleted);
-                })
-                .show();
-    }
-
-    private static class StreamHistoryAdapter extends HistoryEntryAdapter<StreamHistoryEntry, ViewHolder> {
-
-        StreamHistoryAdapter(Context context) {
-            super(context);
-        }
-
-        @Override
-        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-            LayoutInflater inflater = LayoutInflater.from(parent.getContext());
-            View itemView = inflater.inflate(R.layout.list_stream_item, parent, false);
-            return new ViewHolder(itemView);
-        }
-
-        @Override
-        public void onViewRecycled(ViewHolder holder) {
-            holder.itemView.setOnClickListener(null);
-            ImageLoader.getInstance()
-                    .cancelDisplayTask(holder.thumbnailView);
-        }
-
-        @Override
-        void onBindViewHolder(ViewHolder holder, StreamHistoryEntry entry, int position) {
-            final String formattedDate = getFormattedDate(entry.accessDate);
-            final String info;
-            if (entry.repeatCount > 1) {
-                info = Localization.concatenateStrings(formattedDate,
-                        getFormattedViewString(entry.repeatCount));
-            } else {
-                info = formattedDate;
-            }
-
-            holder.info.setText(info);
-            holder.streamTitle.setText(entry.title);
-            holder.uploader.setText(entry.uploader);
-            holder.duration.setText(Localization.getDurationString(entry.duration));
-            ImageLoader.getInstance().displayImage(entry.thumbnailUrl, holder.thumbnailView,
-                    ImageDisplayConstants.DISPLAY_THUMBNAIL_OPTIONS);
-        }
-    }
-
-    private static class ViewHolder extends RecyclerView.ViewHolder {
-        private final TextView info;
-        private final TextView streamTitle;
-        private final ImageView thumbnailView;
-        private final TextView uploader;
-        private final TextView duration;
-
-        public ViewHolder(View itemView) {
-            super(itemView);
-            thumbnailView = itemView.findViewById(R.id.itemThumbnailView);
-            info = itemView.findViewById(R.id.itemAdditionalDetails);
-            streamTitle = itemView.findViewById(R.id.itemVideoTitleView);
-            uploader = itemView.findViewById(R.id.itemUploaderView);
-            duration = itemView.findViewById(R.id.itemDurationView);
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/info_list/InfoListAdapter.java

@@ -17,6 +17,7 @@ import org.schabi.newpipe.info_list.holder.PlaylistInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.PlaylistMiniInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
 import org.schabi.newpipe.info_list.holder.StreamMiniInfoItemHolder;
+import org.schabi.newpipe.util.FallbackViewHolder;
 import org.schabi.newpipe.util.OnClickGesture;
 
 import java.util.ArrayList;
@@ -238,7 +239,7 @@ public class InfoListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
                 return new PlaylistInfoItemHolder(infoItemBuilder, parent);
             default:
                 Log.e(TAG, "Trollolo");
-                return null;
+                return new FallbackViewHolder(new View(parent.getContext()));
         }
     }
 

app/src/main/java/org/schabi/newpipe/local/BaseLocalListFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.bookmark;
+package org.schabi.newpipe.local;
 
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
@@ -13,7 +13,6 @@ import android.view.View;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.fragments.BaseStateFragment;
 import org.schabi.newpipe.fragments.list.ListViewContract;
-import org.schabi.newpipe.fragments.local.LocalItemListAdapter;
 
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
 

app/src/main/java/org/schabi/newpipe/local/HeaderFooterHolder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local;
+package org.schabi.newpipe.local;
 
 import android.support.v7.widget.RecyclerView;
 import android.view.View;

app/src/main/java/org/schabi/newpipe/local/LocalItemBuilder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local;
+package org.schabi.newpipe.local;
 
 import android.content.Context;
 import android.widget.ImageView;

app/src/main/java/org/schabi/newpipe/local/LocalItemListAdapter.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local;
+package org.schabi.newpipe.local;
 
 import android.app.Activity;
 import android.support.v7.widget.RecyclerView;
@@ -7,11 +7,14 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import org.schabi.newpipe.database.LocalItem;
-import org.schabi.newpipe.fragments.local.holder.LocalItemHolder;
-import org.schabi.newpipe.fragments.local.holder.LocalPlaylistItemHolder;
-import org.schabi.newpipe.fragments.local.holder.LocalPlaylistStreamItemHolder;
-import org.schabi.newpipe.fragments.local.holder.LocalStatisticStreamItemHolder;
-import org.schabi.newpipe.fragments.local.holder.RemotePlaylistItemHolder;
+import org.schabi.newpipe.local.HeaderFooterHolder;
+import org.schabi.newpipe.local.LocalItemBuilder;
+import org.schabi.newpipe.local.holder.LocalItemHolder;
+import org.schabi.newpipe.local.holder.LocalPlaylistItemHolder;
+import org.schabi.newpipe.local.holder.LocalPlaylistStreamItemHolder;
+import org.schabi.newpipe.local.holder.LocalStatisticStreamItemHolder;
+import org.schabi.newpipe.local.holder.RemotePlaylistItemHolder;
+import org.schabi.newpipe.util.FallbackViewHolder;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.OnClickGesture;
 
@@ -223,7 +226,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
                 return new LocalStatisticStreamItemHolder(localItemBuilder, parent);
             default:
                 Log.e(TAG, "No view type has been considered for holder: [" + type + "]");
-                return null;
+                return new FallbackViewHolder(new View(parent.getContext()));
         }
     }
 

app/src/main/java/org/schabi/newpipe/local/bookmark/BookmarkFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.bookmark;
+package org.schabi.newpipe.local.bookmark;
 
 import android.app.AlertDialog;
 import android.os.Bundle;
@@ -19,8 +19,9 @@ import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.playlist.PlaylistLocalItem;
 import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
 import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
-import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
-import org.schabi.newpipe.fragments.local.RemotePlaylistManager;
+import org.schabi.newpipe.local.BaseLocalListFragment;
+import org.schabi.newpipe.local.playlist.LocalPlaylistManager;
+import org.schabi.newpipe.local.playlist.RemotePlaylistManager;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.OnClickGesture;
@@ -38,9 +39,6 @@ import io.reactivex.disposables.CompositeDisposable;
 public final class BookmarkFragment
         extends BaseLocalListFragment<List<PlaylistLocalItem>, Void> {
 
-    private View lastPlayedButton;
-    private View mostPlayedButton;
-
     @State
     protected Parcelable itemsListState;
 
@@ -56,7 +54,8 @@ public final class BookmarkFragment
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        final AppDatabase database = NewPipeDatabase.getInstance(getContext());
+        if (activity == null) return;
+        final AppDatabase database = NewPipeDatabase.getInstance(activity);
         localPlaylistManager = new LocalPlaylistManager(database);
         remotePlaylistManager = new RemotePlaylistManager(database);
         disposables = new CompositeDisposable();
@@ -67,11 +66,10 @@ public final class BookmarkFragment
     public View onCreateView(@NonNull LayoutInflater inflater,
                              @Nullable ViewGroup container,
                              Bundle savedInstanceState) {
-        if (activity != null && activity.getSupportActionBar() != null) {
-            activity.getSupportActionBar().setDisplayShowTitleEnabled(true);
-            activity.setTitle(R.string.tab_subscriptions);
-        }
 
+        if(!useAsFrontPage) {
+            setTitle(activity.getString(R.string.tab_bookmarks));
+        }
         return inflater.inflate(R.layout.fragment_bookmarks, container, false);
     }
 
@@ -93,15 +91,6 @@ public final class BookmarkFragment
         super.initViews(rootView, savedInstanceState);
     }
 
-    @Override
-    protected View getListHeader() {
-        final View headerRootLayout = activity.getLayoutInflater()
-                .inflate(R.layout.bookmark_header, itemsList, false);
-        lastPlayedButton = headerRootLayout.findViewById(R.id.lastPlayed);
-        mostPlayedButton = headerRootLayout.findViewById(R.id.mostPlayed);
-        return headerRootLayout;
-    }
-
     @Override
     protected void initListeners() {
         super.initListeners();
@@ -109,9 +98,7 @@ public final class BookmarkFragment
         itemListAdapter.setSelectedListener(new OnClickGesture<LocalItem>() {
             @Override
             public void selected(LocalItem selectedItem) {
-                // Requires the parent fragment to find holder for fragment replacement
-                if (getParentFragment() == null) return;
-                final FragmentManager fragmentManager = getParentFragment().getFragmentManager();
+                final FragmentManager fragmentManager = getFM();
 
                 if (selectedItem instanceof PlaylistMetadataEntry) {
                     final PlaylistMetadataEntry entry = ((PlaylistMetadataEntry) selectedItem);
@@ -120,8 +107,11 @@ public final class BookmarkFragment
 
                 } else if (selectedItem instanceof PlaylistRemoteEntity) {
                     final PlaylistRemoteEntity entry = ((PlaylistRemoteEntity) selectedItem);
-                    NavigationHelper.openPlaylistFragment(fragmentManager, entry.getServiceId(),
-                            entry.getUrl(), entry.getName());
+                    NavigationHelper.openPlaylistFragment(
+                            fragmentManager,
+                            entry.getServiceId(),
+                            entry.getUrl(),
+                            entry.getName());
                 }
             }
 
@@ -135,18 +125,6 @@ public final class BookmarkFragment
                 }
             }
         });
-
-        lastPlayedButton.setOnClickListener(view -> {
-            if (getParentFragment() != null) {
-                NavigationHelper.openLastPlayedFragment(getParentFragment().getFragmentManager());
-            }
-        });
-
-        mostPlayedButton.setOnClickListener(view -> {
-            if (getParentFragment() != null) {
-                NavigationHelper.openMostPlayedFragment(getParentFragment().getFragmentManager());
-            }
-        });
     }
 
     ///////////////////////////////////////////////////////////////////////////
@@ -179,8 +157,6 @@ public final class BookmarkFragment
     @Override
     public void onDestroyView() {
         super.onDestroyView();
-        if (mostPlayedButton != null) mostPlayedButton.setOnClickListener(null);
-        if (lastPlayedButton != null) lastPlayedButton.setOnClickListener(null);
 
         if (disposables != null) disposables.clear();
         if (databaseSubscription != null) databaseSubscription.cancel();

app/src/main/java/org/schabi/newpipe/local/dialog/PlaylistAppendDialog.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.dialog;
+package org.schabi.newpipe.local.dialog;
 
 import android.annotation.SuppressLint;
 import android.os.Bundle;
@@ -18,9 +18,9 @@ import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
 import org.schabi.newpipe.database.stream.model.StreamEntity;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
-import org.schabi.newpipe.fragments.local.LocalItemListAdapter;
-import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.local.LocalItemListAdapter;
+import org.schabi.newpipe.local.playlist.LocalPlaylistManager;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 import org.schabi.newpipe.util.OnClickGesture;
 
 import java.util.ArrayList;

app/src/main/java/org/schabi/newpipe/local/dialog/PlaylistCreationDialog.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.dialog;
+package org.schabi.newpipe.local.dialog;
 
 import android.app.AlertDialog;
 import android.app.Dialog;
@@ -12,7 +12,7 @@ import android.widget.Toast;
 import org.schabi.newpipe.NewPipeDatabase;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.stream.model.StreamEntity;
-import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
+import org.schabi.newpipe.local.playlist.LocalPlaylistManager;
 
 import java.util.List;
 

app/src/main/java/org/schabi/newpipe/local/dialog/PlaylistDialog.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.dialog;
+package org.schabi.newpipe.local.dialog;
 
 import android.os.Bundle;
 import android.support.annotation.NonNull;

app/src/main/java/org/schabi/newpipe/local/feed/FeedFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.list.feed;
+package org.schabi.newpipe.local.feed;
 
 import android.os.Bundle;
 import android.os.Handler;
@@ -22,7 +22,7 @@ import org.schabi.newpipe.extractor.channel.ChannelInfo;
 import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.fragments.list.BaseListFragment;
 import org.schabi.newpipe.report.UserAction;
-import org.schabi.newpipe.subscription.SubscriptionService;
+import org.schabi.newpipe.local.subscription.SubscriptionService;
 
 import java.util.Collections;
 import java.util.HashSet;
@@ -71,6 +71,10 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
 
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
+
+        if(!useAsFrontPage) {
+            setTitle(activity.getString(R.string.fragment_whats_new));
+        }
         return inflater.inflate(R.layout.fragment_feed, container, false);
     }
 
@@ -105,20 +109,19 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
         super.onDestroyView();
     }
 
-    /*@Override
-    protected RecyclerView.LayoutManager getListLayoutManager() {
-        boolean isPortrait = getResources().getDisplayMetrics().heightPixels > getResources().getDisplayMetrics().widthPixels;
-        return new GridLayoutManager(activity, isPortrait ? 1 : 2);
-    }*/
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        if (activity != null && isVisibleToUser) {
+            setTitle(activity.getString(R.string.fragment_whats_new));
+        }
+    }
 
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
 
         ActionBar supportActionBar = activity.getSupportActionBar();
-        if (supportActionBar != null) {
-            supportActionBar.setTitle(R.string.fragment_whats_new);
-        }
 
         if(useAsFrontPage) {
             supportActionBar.setDisplayShowTitleEnabled(true);
@@ -176,19 +179,9 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
         showLoading();
         showListFooter(true);
         subscriptionObserver = subscriptionService.getSubscription()
-                .onErrorReturnItem(Collections.<SubscriptionEntity>emptyList())
+                .onErrorReturnItem(Collections.emptyList())
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(new Consumer<List<SubscriptionEntity>>() {
-                    @Override
-                    public void accept(List<SubscriptionEntity> subscriptionEntities) throws Exception {
-                        handleResult(subscriptionEntities);
-                    }
-                }, new Consumer<Throwable>() {
-                    @Override
-                    public void accept(Throwable throwable) throws Exception {
-                        onError(throwable);
-                    }
-                });
+                .subscribe(this::handleResult, this::onError);
     }
 
     @Override
@@ -239,13 +232,12 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
                 if (!itemsLoaded.contains(subscriptionEntity.getServiceId() + subscriptionEntity.getUrl())) {
                     subscriptionService.getChannelInfo(subscriptionEntity)
                             .observeOn(AndroidSchedulers.mainThread())
-                            .onErrorComplete(new Predicate<Throwable>() {
-                                @Override
-                                public boolean test(@io.reactivex.annotations.NonNull Throwable throwable) throws Exception {
-                                    return FeedFragment.super.onError(throwable);
-                                }
-                            })
-                            .subscribe(getChannelInfoObserver(subscriptionEntity.getServiceId(), subscriptionEntity.getUrl()));
+                            .onErrorComplete(
+                                    (@io.reactivex.annotations.NonNull Throwable throwable) ->
+                                            FeedFragment.super.onError(throwable))
+                            .subscribe(
+                                    getChannelInfoObserver(subscriptionEntity.getServiceId(),
+                                            subscriptionEntity.getUrl()));
                 } else {
                     requestFeed(1);
                 }
@@ -316,7 +308,10 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
 
             @Override
             public void onError(Throwable exception) {
-                showSnackBarError(exception, UserAction.SUBSCRIPTION, NewPipe.getNameOfService(serviceId), url, 0);
+                showSnackBarError(exception,
+                        UserAction.SUBSCRIPTION,
+                        NewPipe.getNameOfService(serviceId),
+                        url, 0);
                 requestFeed(1);
                 onDone();
             }
@@ -361,12 +356,7 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
         delayHandler.removeCallbacksAndMessages(null);
         // Add a little of a delay when requesting more items because the cache is so fast,
         // that the view seems stuck to the user when he scroll to the bottom
-        delayHandler.postDelayed(new Runnable() {
-            @Override
-            public void run() {
-                requestFeed(FEED_LOAD_COUNT);
-            }
-        }, 300);
+        delayHandler.postDelayed(() -> requestFeed(FEED_LOAD_COUNT), 300);
     }
 
     @Override
@@ -423,7 +413,9 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
         int heightPixels = getResources().getDisplayMetrics().heightPixels;
         int itemHeightPixels = activity.getResources().getDimensionPixelSize(R.dimen.video_item_search_height);
 
-        int items = itemHeightPixels > 0 ? heightPixels / itemHeightPixels + OFF_SCREEN_ITEMS_COUNT : MIN_ITEMS_INITIAL_LOAD;
+        int items = itemHeightPixels > 0
+                ? heightPixels / itemHeightPixels + OFF_SCREEN_ITEMS_COUNT
+                : MIN_ITEMS_INITIAL_LOAD;
         return Math.max(MIN_ITEMS_INITIAL_LOAD, items);
     }
 
@@ -441,8 +433,14 @@ public class FeedFragment extends BaseListFragment<List<SubscriptionEntity>, Voi
     protected boolean onError(Throwable exception) {
         if (super.onError(exception)) return true;
 
-        int errorId = exception instanceof ExtractionException ? R.string.parsing_error : R.string.general_error;
-        onUnrecoverableError(exception, UserAction.SOMETHING_ELSE, "none", "Requesting feed", errorId);
+        int errorId = exception instanceof ExtractionException
+                ? R.string.parsing_error
+                : R.string.general_error;
+        onUnrecoverableError(exception,
+                UserAction.SOMETHING_ELSE,
+                "none",
+                "Requesting feed",
+                errorId);
         return true;
     }
 }

app/src/main/java/org/schabi/newpipe/local/history/HistoryEntryAdapter.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.history;
+package org.schabi.newpipe.local.history;
 
 import android.content.Context;
 import android.content.res.Resources;

app/src/main/java/org/schabi/newpipe/local/history/HistoryListener.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.history;
+package org.schabi.newpipe.local.history;
 
 import android.support.annotation.Nullable;
 

app/src/main/java/org/schabi/newpipe/local/history/HistoryRecordManager.java

@@ -1,4 +1,22 @@
-package org.schabi.newpipe.history;
+package org.schabi.newpipe.local.history;
+
+/*
+ * Copyright (C) Mauricio Colli 2018
+ * HistoryRecordManager.java is part of NewPipe.
+ *
+ * NewPipe is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * NewPipe is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -27,6 +45,7 @@ import java.util.List;
 
 import io.reactivex.Flowable;
 import io.reactivex.Maybe;
+import io.reactivex.Scheduler;
 import io.reactivex.Single;
 import io.reactivex.schedulers.Schedulers;
 
@@ -80,6 +99,11 @@ public class HistoryRecordManager {
                 .subscribeOn(Schedulers.io());
     }
 
+    public Single<Integer> deleteWholeStreamHistory() {
+        return Single.fromCallable(() -> streamHistoryTable.deleteAll())
+                .subscribeOn(Schedulers.io());
+    }
+
     public Flowable<List<StreamHistoryEntry>> getStreamHistory() {
         return streamHistoryTable.getHistory().subscribeOn(Schedulers.io());
     }
@@ -114,20 +138,6 @@ public class HistoryRecordManager {
     // Search History
     ///////////////////////////////////////////////////////
 
-    public Single<List<Long>> insertSearches(final Collection<SearchHistoryEntry> entries) {
-        return Single.fromCallable(() -> searchHistoryTable.insertAll(entries))
-                .subscribeOn(Schedulers.io());
-    }
-
-    public Single<Integer> deleteSearches(final Collection<SearchHistoryEntry> entries) {
-        return Single.fromCallable(() -> searchHistoryTable.delete(entries))
-                .subscribeOn(Schedulers.io());
-    }
-
-    public Flowable<List<SearchHistoryEntry>> getSearchHistory() {
-        return searchHistoryTable.getAll();
-    }
-
     public Maybe<Long> onSearched(final int serviceId, final String search) {
         if (!isSearchHistoryEnabled()) return Maybe.empty();
 
@@ -150,6 +160,11 @@ public class HistoryRecordManager {
                 .subscribeOn(Schedulers.io());
     }
 
+    public Single<Integer> deleteWholeSearchHistory() {
+        return Single.fromCallable(() -> searchHistoryTable.deleteAll())
+                .subscribeOn(Schedulers.io());
+    }
+
     public Flowable<List<SearchHistoryEntry>> getRelatedSearches(final String query,
                                                                  final int similarQueryLimit,
                                                                  final int uniqueQueryLimit) {

app/src/main/java/org/schabi/newpipe/local/history/StatisticsPlaylistFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.bookmark;
+package org.schabi.newpipe.local.history;
 
 import android.app.Activity;
 import android.content.Context;
@@ -7,9 +7,13 @@ import android.os.Bundle;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.design.widget.Snackbar;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
 
 import org.reactivestreams.Subscriber;
 import org.reactivestreams.Subscription;
@@ -17,13 +21,15 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
-import org.schabi.newpipe.history.HistoryRecordManager;
+import org.schabi.newpipe.fragments.list.BaseListFragment;
+import org.schabi.newpipe.local.BaseLocalListFragment;
 import org.schabi.newpipe.info_list.InfoItemDialog;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.OnClickGesture;
+import org.schabi.newpipe.util.ThemeHelper;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -31,13 +37,19 @@ import java.util.List;
 
 import icepick.State;
 import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.CompositeDisposable;
+import io.reactivex.disposables.Disposable;
 
-public abstract class StatisticsPlaylistFragment
+public class StatisticsPlaylistFragment
         extends BaseLocalListFragment<List<StreamStatisticsEntry>, Void> {
 
     private View headerPlayAllButton;
     private View headerPopupButton;
     private View headerBackgroundButton;
+    private View playlistCtrl;
+    private View sortButton;
+    private ImageView sortButtonIcon;
+    private TextView sortButtonText;
 
     @State
     protected Parcelable itemsListState;
@@ -45,14 +57,28 @@ public abstract class StatisticsPlaylistFragment
     /* Used for independent events */
     private Subscription databaseSubscription;
     private HistoryRecordManager recordManager;
+    private CompositeDisposable disposables = new CompositeDisposable();
 
-    ///////////////////////////////////////////////////////////////////////////
-    // Abstracts
-    ///////////////////////////////////////////////////////////////////////////
+    private enum StatisticSortMode {
+        LAST_PLAYED,
+        MOST_PLAYED,
+    }
 
-    protected abstract String getName();
+    StatisticSortMode sortMode = StatisticSortMode.LAST_PLAYED;
 
-    protected abstract List<StreamStatisticsEntry> processResult(final List<StreamStatisticsEntry> results);
+    protected List<StreamStatisticsEntry> processResult(final List<StreamStatisticsEntry> results) {
+        switch (sortMode) {
+            case LAST_PLAYED:
+                Collections.sort(results, (left, right) ->
+                    right.latestAccessDate.compareTo(left.latestAccessDate));
+                return results;
+            case MOST_PLAYED:
+                Collections.sort(results, (left, right) ->
+                        Long.compare(right.watchCount, left.watchCount));
+                return results;
+            default: return null;
+        }
+    }
 
     ///////////////////////////////////////////////////////////////////////////
     // Fragment LifeCycle - Creation
@@ -71,6 +97,14 @@ public abstract class StatisticsPlaylistFragment
         return inflater.inflate(R.layout.fragment_playlist, container, false);
     }
 
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        if (activity != null && isVisibleToUser) {
+            setTitle(activity.getString(R.string.title_activity_history));
+        }
+    }
+
     ///////////////////////////////////////////////////////////////////////////
     // Fragment LifeCycle - Views
     ///////////////////////////////////////////////////////////////////////////
@@ -78,16 +112,22 @@ public abstract class StatisticsPlaylistFragment
     @Override
     protected void initViews(View rootView, Bundle savedInstanceState) {
         super.initViews(rootView, savedInstanceState);
-        setTitle(getName());
+        if(!useAsFrontPage) {
+            setTitle(getString(R.string.title_last_played));
+        }
     }
 
     @Override
     protected View getListHeader() {
-        final View headerRootLayout = activity.getLayoutInflater().inflate(R.layout.playlist_control,
+        final View headerRootLayout = activity.getLayoutInflater().inflate(R.layout.statistic_playlist_control,
                 itemsList, false);
+        playlistCtrl = headerRootLayout.findViewById(R.id.playlist_control);
         headerPlayAllButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_all_button);
         headerPopupButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_popup_button);
         headerBackgroundButton = headerRootLayout.findViewById(R.id.playlist_ctrl_play_bg_button);
+        sortButton = headerRootLayout.findViewById(R.id.sortButton);
+        sortButtonIcon = headerRootLayout.findViewById(R.id.sortButtonIcon);
+        sortButtonText = headerRootLayout.findViewById(R.id.sortButtonText);
         return headerRootLayout;
     }
 
@@ -100,8 +140,10 @@ public abstract class StatisticsPlaylistFragment
             public void selected(LocalItem selectedItem) {
                 if (selectedItem instanceof StreamStatisticsEntry) {
                     final StreamStatisticsEntry item = (StreamStatisticsEntry) selectedItem;
-                    NavigationHelper.openVideoDetailFragment(getFragmentManager(),
-                            item.serviceId, item.url, item.title);
+                    NavigationHelper.openVideoDetailFragment(getFM(),
+                            item.serviceId,
+                            item.url,
+                            item.title);
                 }
             }
 
@@ -193,6 +235,8 @@ public abstract class StatisticsPlaylistFragment
         super.handleResult(result);
         if (itemListAdapter == null) return;
 
+        playlistCtrl.setVisibility(View.VISIBLE);
+
         itemListAdapter.clearStreamItemList();
 
         if (result.isEmpty()) {
@@ -212,6 +256,7 @@ public abstract class StatisticsPlaylistFragment
                 NavigationHelper.playOnPopupPlayer(activity, getPlayQueue()));
         headerBackgroundButton.setOnClickListener(view ->
                 NavigationHelper.playOnBackgroundPlayer(activity, getPlayQueue()));
+        sortButton.setOnClickListener(view -> toggleSortMode());
 
         hideLoading();
     }
@@ -238,6 +283,21 @@ public abstract class StatisticsPlaylistFragment
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
+    private void toggleSortMode() {
+        if(sortMode == StatisticSortMode.LAST_PLAYED) {
+            sortMode = StatisticSortMode.MOST_PLAYED;
+            setTitle(getString(R.string.title_most_played));
+            sortButtonIcon.setImageResource(ThemeHelper.getIconByAttr(R.attr.history, getContext()));
+            sortButtonText.setText(R.string.title_last_played);
+        } else {
+            sortMode = StatisticSortMode.LAST_PLAYED;
+            setTitle(getString(R.string.title_last_played));
+            sortButtonIcon.setImageResource(ThemeHelper.getIconByAttr(R.attr.filter, getContext()));
+            sortButtonText.setText(R.string.title_most_played);
+        }
+        startLoading(true);
+    }
+
     private void showStreamDialog(final StreamStatisticsEntry item) {
         final Context context = getContext();
         final Activity activity = getActivity();
@@ -250,6 +310,8 @@ public abstract class StatisticsPlaylistFragment
                 context.getResources().getString(R.string.start_here_on_main),
                 context.getResources().getString(R.string.start_here_on_background),
                 context.getResources().getString(R.string.start_here_on_popup),
+                context.getResources().getString(R.string.delete),
+                context.getResources().getString(R.string.share)
         };
 
         final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
@@ -270,6 +332,12 @@ public abstract class StatisticsPlaylistFragment
                 case 4:
                     NavigationHelper.playOnPopupPlayer(activity, getPlayQueue(index));
                     break;
+                case 5:
+                    deleteEntry(index);
+                    break;
+                case 6:
+                    shareUrl(item.toStreamInfoItem().getName(), item.toStreamInfoItem().getUrl());
+                    break;
                 default:
                     break;
             }
@@ -278,6 +346,32 @@ public abstract class StatisticsPlaylistFragment
         new InfoItemDialog(getActivity(), infoItem, commands, actions).show();
     }
 
+    private void deleteEntry(final int index) {
+        final LocalItem infoItem = itemListAdapter.getItemsList()
+                .get(index);
+        if(infoItem instanceof StreamStatisticsEntry) {
+            final StreamStatisticsEntry entry = (StreamStatisticsEntry) infoItem;
+            final Disposable onDelete = recordManager.deleteStreamHistory(entry.streamId)
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe(
+                            howManyDeleted -> {
+                                if(getView() != null) {
+                                    Snackbar.make(getView(), R.string.one_item_deleted,
+                                            Snackbar.LENGTH_SHORT).show();
+                                } else {
+                                    Toast.makeText(getContext(),
+                                            R.string.one_item_deleted,
+                                            Toast.LENGTH_SHORT).show();
+                                }
+                            },
+                            throwable -> showSnackBarError(throwable,
+                                    UserAction.DELETE_FROM_HISTORY, "none",
+                                    "Deleting item failed", R.string.general_error));
+
+            disposables.add(onDelete);
+        }
+    }
+
     private PlayQueue getPlayQueue() {
         return getPlayQueue(0);
     }

app/src/main/java/org/schabi/newpipe/local/holder/LocalItemHolder.java

@@ -1,11 +1,11 @@
-package org.schabi.newpipe.fragments.local.holder;
+package org.schabi.newpipe.local.holder;
 
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 
 import org.schabi.newpipe.database.LocalItem;
-import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.local.LocalItemBuilder;
 
 import java.text.DateFormat;
 

app/src/main/java/org/schabi/newpipe/local/holder/LocalPlaylistItemHolder.java

@@ -1,11 +1,11 @@
-package org.schabi.newpipe.fragments.local.holder;
+package org.schabi.newpipe.local.holder;
 
 import android.view.View;
 import android.view.ViewGroup;
 
 import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
-import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.util.ImageDisplayConstants;
 
 import java.text.DateFormat;

app/src/main/java/org/schabi/newpipe/local/holder/LocalPlaylistStreamItemHolder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.holder;
+package org.schabi.newpipe.local.holder;
 
 import android.support.v4.content.ContextCompat;
 import android.view.MotionEvent;
@@ -11,7 +11,7 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
 import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.util.ImageDisplayConstants;
 import org.schabi.newpipe.util.Localization;
 

app/src/main/java/org/schabi/newpipe/local/holder/LocalStatisticStreamItemHolder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.holder;
+package org.schabi.newpipe.local.holder;
 
 import android.support.v4.content.ContextCompat;
 import android.view.View;
@@ -10,7 +10,7 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.stream.StreamStatisticsEntry;
 import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.util.ImageDisplayConstants;
 import org.schabi.newpipe.util.Localization;
 

app/src/main/java/org/schabi/newpipe/local/holder/PlaylistItemHolder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.holder;
+package org.schabi.newpipe.local.holder;
 
 import android.view.ViewGroup;
 import android.widget.ImageView;
@@ -6,7 +6,7 @@ import android.widget.TextView;
 
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.LocalItem;
-import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.local.LocalItemBuilder;
 
 import java.text.DateFormat;
 

app/src/main/java/org/schabi/newpipe/local/holder/RemotePlaylistItemHolder.java

@@ -1,11 +1,11 @@
-package org.schabi.newpipe.fragments.local.holder;
+package org.schabi.newpipe.local.holder;
 
 import android.view.ViewGroup;
 
 import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
 import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.fragments.local.LocalItemBuilder;
+import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.util.ImageDisplayConstants;
 import org.schabi.newpipe.util.Localization;
 

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local.bookmark;
+package org.schabi.newpipe.local.playlist;
 
 import android.app.Activity;
 import android.content.Context;
@@ -26,10 +26,10 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.LocalItem;
 import org.schabi.newpipe.database.playlist.PlaylistStreamEntry;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
-import org.schabi.newpipe.fragments.local.LocalPlaylistManager;
+import org.schabi.newpipe.local.BaseLocalListFragment;
 import org.schabi.newpipe.info_list.InfoItemDialog;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.report.UserAction;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
@@ -173,7 +173,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
             @Override
             public void held(LocalItem selectedItem) {
                 if (selectedItem instanceof PlaylistStreamEntry) {
-                    showStreamDialog((PlaylistStreamEntry) selectedItem);
+                    showStreamItemDialog((PlaylistStreamEntry) selectedItem);
                 }
             }
 
@@ -506,7 +506,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
-    protected void showStreamDialog(final PlaylistStreamEntry item) {
+    protected void showStreamItemDialog(final PlaylistStreamEntry item) {
         final Context context = getContext();
         final Activity activity = getActivity();
         if (context == null || context.getResources() == null || getActivity() == null) return;
@@ -520,7 +520,8 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
                 context.getResources().getString(R.string.start_here_on_background),
                 context.getResources().getString(R.string.start_here_on_popup),
                 context.getResources().getString(R.string.set_as_playlist_thumbnail),
-                context.getResources().getString(R.string.delete)
+                context.getResources().getString(R.string.delete),
+                context.getResources().getString(R.string.share)
         };
 
         final DialogInterface.OnClickListener actions = (dialogInterface, i) -> {
@@ -549,6 +550,9 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
                 case 6:
                     deleteItem(item);
                     break;
+                case 7:
+                    shareUrl(item.toStreamInfoItem().getName(), item.toStreamInfoItem().getUrl());
+                    break;
                 default:
                     break;
             }

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistManager.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local;
+package org.schabi.newpipe.local.playlist;
 
 import android.support.annotation.Nullable;
 

app/src/main/java/org/schabi/newpipe/local/playlist/RemotePlaylistManager.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.local;
+package org.schabi.newpipe.local.playlist;
 
 import org.schabi.newpipe.database.AppDatabase;
 import org.schabi.newpipe.database.playlist.dao.PlaylistRemoteDAO;
@@ -13,11 +13,9 @@ import io.reactivex.schedulers.Schedulers;
 
 public class RemotePlaylistManager {
 
-    private final AppDatabase database;
     private final PlaylistRemoteDAO playlistRemoteTable;
 
     public RemotePlaylistManager(final AppDatabase db) {
-        database = db;
         playlistRemoteTable = db.playlistRemoteDAO();
     }
 
@@ -42,8 +40,11 @@ public class RemotePlaylistManager {
         }).subscribeOn(Schedulers.io());
     }
 
-    public Single<Integer> onUpdate(final PlaylistInfo playlistInfo) {
-        return Single.fromCallable(() -> playlistRemoteTable.update(new PlaylistRemoteEntity(playlistInfo)))
-                .subscribeOn(Schedulers.io());
+    public Single<Integer> onUpdate(final long playlistId, final PlaylistInfo playlistInfo) {
+        return Single.fromCallable(() -> {
+            PlaylistRemoteEntity playlist = new PlaylistRemoteEntity(playlistInfo);
+            playlist.setUid(playlistId);
+            return playlistRemoteTable.update(playlist);
+        }).subscribeOn(Schedulers.io());
     }
 }

app/src/main/java/org/schabi/newpipe/local/subscription/ImportConfirmationDialog.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.subscription;
+package org.schabi.newpipe.local.subscription;
 
 import android.app.AlertDialog;
 import android.app.Dialog;

app/src/main/java/org/schabi/newpipe/local/subscription/ImportExportEventListener.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.subscription;
+package org.schabi.newpipe.local.subscription;
 
 public interface ImportExportEventListener {
     /**

app/src/main/java/org/schabi/newpipe/local/subscription/ImportExportJsonHelper.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.schabi.newpipe.subscription;
+package org.schabi.newpipe.local.subscription;
 
 import android.support.annotation.Nullable;
 

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.subscription;
+package org.schabi.newpipe.local.subscription;
 
 import android.app.Activity;
 import android.content.BroadcastReceiver;
@@ -13,8 +13,10 @@ import android.os.Parcelable;
 import android.support.annotation.DrawableRes;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.FragmentManager;
 import android.support.v4.content.LocalBroadcastManager;
 import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
@@ -38,10 +40,10 @@ import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.subscription.SubscriptionExtractor;
 import org.schabi.newpipe.fragments.BaseStateFragment;
 import org.schabi.newpipe.info_list.InfoListAdapter;
+import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
-import org.schabi.newpipe.subscription.SubscriptionService;
-import org.schabi.newpipe.subscription.services.SubscriptionsExportService;
-import org.schabi.newpipe.subscription.services.SubscriptionsImportService;
+import org.schabi.newpipe.local.subscription.services.SubscriptionsExportService;
+import org.schabi.newpipe.local.subscription.services.SubscriptionsImportService;
 import org.schabi.newpipe.util.FilePickerActivityHelper;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.OnClickGesture;
@@ -53,7 +55,6 @@ import java.io.File;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
 import java.util.Locale;
@@ -65,9 +66,9 @@ import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.schedulers.Schedulers;
 
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.KEY_MODE;
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.KEY_VALUE;
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.PREVIOUS_EXPORT_MODE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.KEY_MODE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.KEY_VALUE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.PREVIOUS_EXPORT_MODE;
 import static org.schabi.newpipe.util.AnimationUtils.animateRotation;
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
 
@@ -209,7 +210,8 @@ public class SubscriptionFragment extends BaseStateFragment<List<SubscriptionEnt
     }
 
     private void setupImportFromItems(final ViewGroup listHolder) {
-        final View previousBackupItem = addItemView(getString(R.string.previous_export), ThemeHelper.resolveResourceIdFromAttr(getContext(), R.attr.ic_backup), listHolder);
+        final View previousBackupItem = addItemView(getString(R.string.previous_export),
+                ThemeHelper.resolveResourceIdFromAttr(getContext(), R.attr.ic_backup), listHolder);
         previousBackupItem.setOnClickListener(item -> onImportPreviousSelected());
 
         final int iconColor = ThemeHelper.isLightThemeSelected(getContext()) ? Color.BLACK : Color.WHITE;
@@ -241,8 +243,8 @@ public class SubscriptionFragment extends BaseStateFragment<List<SubscriptionEnt
     }
 
     private void onImportFromServiceSelected(int serviceId) {
-        if (getParentFragment() == null) return;
-        NavigationHelper.openSubscriptionsImportFragment(getParentFragment().getFragmentManager(), serviceId);
+        FragmentManager fragmentManager = getFM();
+        NavigationHelper.openSubscriptionsImportFragment(fragmentManager, serviceId);
     }
 
     private void onImportPreviousSelected() {
@@ -320,15 +322,19 @@ public class SubscriptionFragment extends BaseStateFragment<List<SubscriptionEnt
         infoListAdapter.setOnChannelSelectedListener(new OnClickGesture<ChannelInfoItem>() {
             @Override
             public void selected(ChannelInfoItem selectedItem) {
-                // Requires the parent fragment to find holder for fragment replacement
-                NavigationHelper.openChannelFragment(getParentFragment().getFragmentManager(),
-                        selectedItem.getServiceId(), selectedItem.getUrl(), selectedItem.getName());
+                final FragmentManager fragmentManager = getFM();
+                NavigationHelper.openChannelFragment(fragmentManager,
+                        selectedItem.getServiceId(),
+                        selectedItem.getUrl(),
+                        selectedItem.getName());
             }
         });
 
         //noinspection ConstantConditions
-        whatsNewItemListHeader.setOnClickListener(v ->
-                NavigationHelper.openWhatsNewFragment(getParentFragment().getFragmentManager()));
+        whatsNewItemListHeader.setOnClickListener(v -> {
+            FragmentManager fragmentManager = getFM();
+            NavigationHelper.openWhatsNewFragment(fragmentManager);
+        });
         importExportListHeader.setOnClickListener(v -> importExportOptions.switchState());
     }
 
@@ -399,10 +405,13 @@ public class SubscriptionFragment extends BaseStateFragment<List<SubscriptionEnt
 
     private List<InfoItem> getSubscriptionItems(List<SubscriptionEntity> subscriptions) {
         List<InfoItem> items = new ArrayList<>();
-        for (final SubscriptionEntity subscription : subscriptions) items.add(subscription.toChannelInfoItem());
+        for (final SubscriptionEntity subscription : subscriptions) {
+            items.add(subscription.toChannelInfoItem());
+        }
 
         Collections.sort(items,
-                (InfoItem o1, InfoItem o2) -> o1.getName().compareToIgnoreCase(o2.getName()));
+                (InfoItem o1, InfoItem o2) ->
+                        o1.getName().compareToIgnoreCase(o2.getName()));
         return items;
     }
 
@@ -431,7 +440,11 @@ public class SubscriptionFragment extends BaseStateFragment<List<SubscriptionEnt
         resetFragment();
         if (super.onError(exception)) return true;
 
-        onUnrecoverableError(exception, UserAction.SOMETHING_ELSE, "none", "Subscriptions", R.string.general_error);
+        onUnrecoverableError(exception,
+                UserAction.SOMETHING_ELSE,
+                "none",
+                "Subscriptions",
+                R.string.general_error);
         return true;
     }
 }

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionService.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.subscription;
+package org.schabi.newpipe.local.subscription;
 
 import android.content.Context;
 import android.support.annotation.NonNull;

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionsImportFragment.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.fragments.subscription;
+package org.schabi.newpipe.local.subscription;
 
 import android.app.Activity;
 import android.content.Intent;
@@ -26,7 +26,7 @@ import org.schabi.newpipe.extractor.exceptions.ExtractionException;
 import org.schabi.newpipe.extractor.subscription.SubscriptionExtractor;
 import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
-import org.schabi.newpipe.subscription.services.SubscriptionsImportService;
+import org.schabi.newpipe.local.subscription.services.SubscriptionsImportService;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.FilePickerActivityHelper;
 import org.schabi.newpipe.util.ServiceHelper;
@@ -37,10 +37,10 @@ import java.util.List;
 import icepick.State;
 
 import static org.schabi.newpipe.extractor.subscription.SubscriptionExtractor.ContentSource.CHANNEL_URL;
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.CHANNEL_URL_MODE;
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.INPUT_STREAM_MODE;
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.KEY_MODE;
-import static org.schabi.newpipe.subscription.services.SubscriptionsImportService.KEY_VALUE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.CHANNEL_URL_MODE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.INPUT_STREAM_MODE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.KEY_MODE;
+import static org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.KEY_VALUE;
 
 public class SubscriptionsImportFragment extends BaseFragment {
     private static final int REQUEST_IMPORT_FILE_CODE = 666;

app/src/main/java/org/schabi/newpipe/local/subscription/services/BaseImportExportService.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.schabi.newpipe.subscription.services;
+package org.schabi.newpipe.local.subscription.services;
 
 import android.app.Service;
 import android.content.Intent;
@@ -36,8 +36,8 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.subscription.SubscriptionExtractor;
 import org.schabi.newpipe.report.ErrorActivity;
 import org.schabi.newpipe.report.UserAction;
-import org.schabi.newpipe.subscription.ImportExportEventListener;
-import org.schabi.newpipe.subscription.SubscriptionService;
+import org.schabi.newpipe.local.subscription.ImportExportEventListener;
+import org.schabi.newpipe.local.subscription.SubscriptionService;
 
 import java.io.FileNotFoundException;
 import java.io.IOException;

app/src/main/java/org/schabi/newpipe/local/subscription/services/SubscriptionsExportService.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.schabi.newpipe.subscription.services;
+package org.schabi.newpipe.local.subscription.services;
 
 import android.content.Intent;
 import android.support.v4.content.LocalBroadcastManager;
@@ -29,7 +29,7 @@ import org.reactivestreams.Subscription;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.subscription.SubscriptionEntity;
 import org.schabi.newpipe.extractor.subscription.SubscriptionItem;
-import org.schabi.newpipe.subscription.ImportExportJsonHelper;
+import org.schabi.newpipe.local.subscription.ImportExportJsonHelper;
 
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -49,7 +49,7 @@ public class SubscriptionsExportService extends BaseImportExportService {
     /**
      * A {@link LocalBroadcastManager local broadcast} will be made with this action when the export is successfully completed.
      */
-    public static final String EXPORT_COMPLETE_ACTION = "org.schabi.newpipe.subscription.services.SubscriptionsExportService.EXPORT_COMPLETE";
+    public static final String EXPORT_COMPLETE_ACTION = "org.schabi.newpipe.local.subscription.services.SubscriptionsExportService.EXPORT_COMPLETE";
 
     private Subscription subscription;
     private File outFile;

app/src/main/java/org/schabi/newpipe/local/subscription/services/SubscriptionsImportService.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.schabi.newpipe.subscription.services;
+package org.schabi.newpipe.local.subscription.services;
 
 import android.content.Intent;
 import android.support.annotation.NonNull;
@@ -33,7 +33,7 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity;
 import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.extractor.channel.ChannelInfo;
 import org.schabi.newpipe.extractor.subscription.SubscriptionItem;
-import org.schabi.newpipe.subscription.ImportExportJsonHelper;
+import org.schabi.newpipe.local.subscription.ImportExportJsonHelper;
 import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.ExtractorHelper;
 
@@ -64,7 +64,7 @@ public class SubscriptionsImportService extends BaseImportExportService {
     /**
      * A {@link LocalBroadcastManager local broadcast} will be made with this action when the import is successfully completed.
      */
-    public static final String IMPORT_COMPLETE_ACTION = "org.schabi.newpipe.subscription.services.SubscriptionsImportService.IMPORT_COMPLETE";
+    public static final String IMPORT_COMPLETE_ACTION = "org.schabi.newpipe.local.subscription.services.SubscriptionsImportService.IMPORT_COMPLETE";
 
     private Subscription subscription;
     private int currentMode;

app/src/main/java/org/schabi/newpipe/player/BackgroundPlayer.java

@@ -28,7 +28,6 @@ import android.content.IntentFilter;
 import android.graphics.Bitmap;
 import android.os.Build;
 import android.os.IBinder;
-import android.support.annotation.IntRange;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.NotificationCompat;
@@ -39,17 +38,16 @@ import android.widget.RemoteViews;
 import com.google.android.exoplayer2.PlaybackParameters;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.source.MediaSource;
+import com.nostra13.universalimageloader.core.assist.FailReason;
 
 import org.schabi.newpipe.BuildConfig;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.MediaFormat;
-import org.schabi.newpipe.extractor.stream.AudioStream;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.player.event.PlayerEventListener;
 import org.schabi.newpipe.player.helper.LockManager;
-import org.schabi.newpipe.player.helper.PlayerHelper;
-import org.schabi.newpipe.playlist.PlayQueueItem;
-import org.schabi.newpipe.util.ListHelper;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.resolver.AudioPlaybackResolver;
+import org.schabi.newpipe.player.resolver.MediaSourceTag;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.ThemeHelper;
 
@@ -94,7 +92,6 @@ public final class BackgroundPlayer extends Service {
     private NotificationCompat.Builder notBuilder;
     private RemoteViews notRemoteView;
     private RemoteViews bigNotRemoteView;
-    private final String setAlphaMethodName = (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) ? "setImageAlpha" : "setAlpha";
 
     private boolean shouldUpdateOnProgress;
 
@@ -118,8 +115,12 @@ public final class BackgroundPlayer extends Service {
 
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
-        if (DEBUG) Log.d(TAG, "onStartCommand() called with: intent = [" + intent + "], flags = [" + flags + "], startId = [" + startId + "]");
+        if (DEBUG) Log.d(TAG, "onStartCommand() called with: intent = [" + intent +
+                "], flags = [" + flags + "], startId = [" + startId + "]");
         basePlayerImpl.handleIntent(intent);
+        if (basePlayerImpl.mediaSessionManager != null) {
+            basePlayerImpl.mediaSessionManager.handleMediaButtonIntent(intent);
+        }
         return START_NOT_STICKY;
     }
 
@@ -160,6 +161,11 @@ public final class BackgroundPlayer extends Service {
         if (DEBUG) Log.d(TAG, "onScreenOnOff() called with: on = [" + on + "]");
         shouldUpdateOnProgress = on;
         basePlayerImpl.triggerProgressUpdate();
+        if (on) {
+            basePlayerImpl.startProgressLoop();
+        } else {
+            basePlayerImpl.stopProgressLoop();
+        }
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -183,7 +189,9 @@ public final class BackgroundPlayer extends Service {
                 .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
                 .setCustomContentView(notRemoteView)
                 .setCustomBigContentView(bigNotRemoteView);
-        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) builder.setPriority(NotificationCompat.PRIORITY_MAX);
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
+            builder.setPriority(NotificationCompat.PRIORITY_MAX);
+        }
         return builder;
     }
 
@@ -240,15 +248,6 @@ public final class BackgroundPlayer extends Service {
         notificationManager.notify(NOTIFICATION_ID, notBuilder.build());
     }
 
-    private void setControlsOpacity(@IntRange(from = 0, to = 255) int opacity) {
-        if (notRemoteView != null) notRemoteView.setInt(R.id.notificationPlayPause, setAlphaMethodName, opacity);
-        if (bigNotRemoteView != null) bigNotRemoteView.setInt(R.id.notificationPlayPause, setAlphaMethodName, opacity);
-        if (notRemoteView != null) notRemoteView.setInt(R.id.notificationFForward, setAlphaMethodName, opacity);
-        if (bigNotRemoteView != null) bigNotRemoteView.setInt(R.id.notificationFForward, setAlphaMethodName, opacity);
-        if (notRemoteView != null) notRemoteView.setInt(R.id.notificationFRewind, setAlphaMethodName, opacity);
-        if (bigNotRemoteView != null) bigNotRemoteView.setInt(R.id.notificationFRewind, setAlphaMethodName, opacity);
-    }
-
     /*//////////////////////////////////////////////////////////////////////////
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
@@ -270,8 +269,16 @@ public final class BackgroundPlayer extends Service {
 
     protected class BasePlayerImpl extends BasePlayer {
 
+        @NonNull final private AudioPlaybackResolver resolver;
+
         BasePlayerImpl(Context context) {
             super(context);
+            this.resolver = new AudioPlaybackResolver(context, dataSource);
+        }
+
+        @Override
+        public void initPlayer(boolean playOnReady) {
+            super.initPlayer(playOnReady);
         }
 
         @Override
@@ -284,30 +291,41 @@ public final class BackgroundPlayer extends Service {
             startForeground(NOTIFICATION_ID, notBuilder.build());
         }
 
-        @Override
-        public void initThumbnail(final String url) {
-            resetNotification();
-            if (notRemoteView != null) notRemoteView.setImageViewResource(R.id.notificationCover, R.drawable.dummy_thumbnail);
-            if (bigNotRemoteView != null) bigNotRemoteView.setImageViewResource(R.id.notificationCover, R.drawable.dummy_thumbnail);
-            updateNotification(-1);
-            super.initThumbnail(url);
+        /*//////////////////////////////////////////////////////////////////////////
+        // Thumbnail Loading
+        //////////////////////////////////////////////////////////////////////////*/
+
+        private void updateNotificationThumbnail() {
+            if (basePlayerImpl == null) return;
+            if (notRemoteView != null) {
+                notRemoteView.setImageViewBitmap(R.id.notificationCover,
+                        basePlayerImpl.getThumbnail());
+            }
+            if (bigNotRemoteView != null) {
+                bigNotRemoteView.setImageViewBitmap(R.id.notificationCover,
+                        basePlayerImpl.getThumbnail());
+            }
         }
 
         @Override
         public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
             super.onLoadingComplete(imageUri, view, loadedImage);
-
-            if (loadedImage != null) {
-                // rebuild notification here since remote view does not release bitmaps, causing memory leaks
-                resetNotification();
-
-                if (notRemoteView != null) notRemoteView.setImageViewBitmap(R.id.notificationCover, loadedImage);
-                if (bigNotRemoteView != null) bigNotRemoteView.setImageViewBitmap(R.id.notificationCover, loadedImage);
-
-                updateNotification(-1);
-            }
+            resetNotification();
+            updateNotificationThumbnail();
+            updateNotification(-1);
         }
 
+        @Override
+        public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
+            super.onLoadingFailed(imageUri, view, failReason);
+            resetNotification();
+            updateNotificationThumbnail();
+            updateNotification(-1);
+        }
+        /*//////////////////////////////////////////////////////////////////////////
+        // States Implementation
+        //////////////////////////////////////////////////////////////////////////*/
+
         @Override
         public void onPrepared(boolean playWhenReady) {
             super.onPrepared(playWhenReady);
@@ -326,6 +344,7 @@ public final class BackgroundPlayer extends Service {
 
             if (!shouldUpdateOnProgress) return;
             resetNotification();
+            if(Build.VERSION.SDK_INT >= 26 /*Oreo*/) updateNotificationThumbnail();
             if (bigNotRemoteView != null) {
                 bigNotRemoteView.setProgressBar(R.id.notificationProgressBar, duration, currentProgress, false);
                 bigNotRemoteView.setTextViewText(R.id.notificationTime, getTimeString(currentProgress) + " / " + getTimeString(duration));
@@ -381,29 +400,18 @@ public final class BackgroundPlayer extends Service {
         // Playback Listener
         //////////////////////////////////////////////////////////////////////////*/
 
-        protected void onMetadataChanged(@NonNull final PlayQueueItem item,
-                                         @Nullable final StreamInfo info,
-                                         final int newPlayQueueIndex,
-                                         final boolean hasPlayQueueItemChanged) {
-            if (shouldUpdateOnProgress || hasPlayQueueItemChanged) {
-                resetNotification();
-                updateNotification(-1);
-                updateMetadata();
-            }
+        protected void onMetadataChanged(@NonNull final MediaSourceTag tag) {
+            super.onMetadataChanged(tag);
+            resetNotification();
+            updateNotificationThumbnail();
+            updateNotification(-1);
+            updateMetadata();
         }
 
         @Override
         @Nullable
         public MediaSource sourceOf(final PlayQueueItem item, final StreamInfo info) {
-            final MediaSource liveSource = super.sourceOf(item, info);
-            if (liveSource != null) return liveSource;
-
-            final int index = ListHelper.getDefaultAudioFormat(context, info.getAudioStreams());
-            if (index < 0 || index >= info.getAudioStreams().size()) return null;
-
-            final AudioStream audio = info.getAudioStreams().get(index);
-            return buildMediaSource(audio.getUrl(), PlayerHelper.cacheKeyOf(info, audio),
-                    MediaFormat.getSuffixById(audio.getFormatId()));
+            return resolver.resolve(info);
         }
 
         @Override
@@ -430,8 +438,8 @@ public final class BackgroundPlayer extends Service {
         }
 
         private void updateMetadata() {
-            if (activityListener != null && currentInfo != null) {
-                activityListener.onMetadataUpdate(currentInfo);
+            if (activityListener != null && getCurrentMetadata() != null) {
+                activityListener.onMetadataUpdate(getCurrentMetadata().getMetadata());
             }
         }
 
@@ -522,45 +530,36 @@ public final class BackgroundPlayer extends Service {
             updatePlayback();
         }
 
-        @Override
-        public void onBlocked() {
-            super.onBlocked();
-
-            setControlsOpacity(77);
-            updateNotification(-1);
-        }
-
         @Override
         public void onPlaying() {
             super.onPlaying();
-
-            setControlsOpacity(255);
+            resetNotification();
+            updateNotificationThumbnail();
             updateNotification(R.drawable.ic_pause_white);
-
             lockManager.acquireWifiAndCpu();
         }
 
         @Override
         public void onPaused() {
             super.onPaused();
-
+            resetNotification();
+            updateNotificationThumbnail();
             updateNotification(R.drawable.ic_play_arrow_white);
-            if (isProgressLoopRunning()) stopProgressLoop();
-
             lockManager.releaseWifiAndCpu();
         }
 
         @Override
         public void onCompleted() {
             super.onCompleted();
-
-            setControlsOpacity(255);
-
             resetNotification();
-            if (bigNotRemoteView != null) bigNotRemoteView.setProgressBar(R.id.notificationProgressBar, 100, 100, false);
-            if (notRemoteView != null) notRemoteView.setProgressBar(R.id.notificationProgressBar, 100, 100, false);
+            if (bigNotRemoteView != null) {
+                bigNotRemoteView.setProgressBar(R.id.notificationProgressBar, 100, 100, false);
+            }
+            if (notRemoteView != null) {
+                notRemoteView.setProgressBar(R.id.notificationProgressBar, 100, 100, false);
+            }
+            updateNotificationThumbnail();
             updateNotification(R.drawable.ic_replay_white);
-
             lockManager.releaseWifiAndCpu();
         }
     }

app/src/main/java/org/schabi/newpipe/player/BasePlayer.java

@@ -24,16 +24,14 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.media.AudioManager;
-import android.net.Uri;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
 import android.widget.Toast;
 
-import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.DefaultRenderersFactory;
 import com.google.android.exoplayer2.ExoPlaybackException;
 import com.google.android.exoplayer2.ExoPlayerFactory;
@@ -46,31 +44,33 @@ import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.source.BehindLiveWindowException;
 import com.google.android.exoplayer2.source.MediaSource;
 import com.google.android.exoplayer2.source.TrackGroupArray;
-import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
+import com.google.android.exoplayer2.trackselection.TrackSelection;
 import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
 import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
-import com.google.android.exoplayer2.util.Util;
 import com.nostra13.universalimageloader.core.ImageLoader;
 import com.nostra13.universalimageloader.core.assist.FailReason;
 import com.nostra13.universalimageloader.core.listener.ImageLoadingListener;
 
+import org.schabi.newpipe.BuildConfig;
 import org.schabi.newpipe.Downloader;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
-import org.schabi.newpipe.extractor.stream.StreamType;
-import org.schabi.newpipe.history.HistoryRecordManager;
+import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.player.helper.AudioReactor;
 import org.schabi.newpipe.player.helper.LoadController;
 import org.schabi.newpipe.player.helper.MediaSessionManager;
 import org.schabi.newpipe.player.helper.PlayerDataSource;
 import org.schabi.newpipe.player.helper.PlayerHelper;
+import org.schabi.newpipe.player.mediasource.FailedMediaSource;
 import org.schabi.newpipe.player.playback.BasePlayerMediaSession;
 import org.schabi.newpipe.player.playback.CustomTrackSelector;
 import org.schabi.newpipe.player.playback.MediaSourceManager;
 import org.schabi.newpipe.player.playback.PlaybackListener;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.PlayQueueAdapter;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueueAdapter;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.resolver.MediaSourceTag;
+import org.schabi.newpipe.util.ImageDisplayConstants;
 import org.schabi.newpipe.util.SerializedCache;
 
 import java.io.IOException;
@@ -81,12 +81,12 @@ import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
+import io.reactivex.disposables.SerialDisposable;
 
 import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_INTERNAL;
 import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_PERIOD_TRANSITION;
 import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_SEEK;
 import static com.google.android.exoplayer2.Player.DISCONTINUITY_REASON_SEEK_ADJUSTMENT;
-import static org.schabi.newpipe.player.helper.PlayerHelper.getTimeString;
 
 /**
  * Base for the players, joining the common properties
@@ -97,7 +97,7 @@ import static org.schabi.newpipe.player.helper.PlayerHelper.getTimeString;
 public abstract class BasePlayer implements
         Player.EventListener, PlaybackListener, ImageLoadingListener {
 
-    public static final boolean DEBUG = true;
+    public static final boolean DEBUG = !BuildConfig.BUILD_TYPE.equals("release");
     @NonNull public static final String TAG = "BasePlayer";
 
     @NonNull final protected Context context;
@@ -107,56 +107,58 @@ public abstract class BasePlayer implements
 
     @NonNull final protected HistoryRecordManager recordManager;
 
+    @NonNull final protected CustomTrackSelector trackSelector;
+    @NonNull final protected PlayerDataSource dataSource;
+
+    @NonNull final private LoadControl loadControl;
+    @NonNull final private RenderersFactory renderFactory;
+
+    @NonNull final private SerialDisposable progressUpdateReactor;
+    @NonNull final private CompositeDisposable databaseUpdateReactor;
     /*//////////////////////////////////////////////////////////////////////////
     // Intent
     //////////////////////////////////////////////////////////////////////////*/
 
-    public static final String REPEAT_MODE = "repeat_mode";
-    public static final String PLAYBACK_PITCH = "playback_pitch";
-    public static final String PLAYBACK_SPEED = "playback_speed";
-    public static final String PLAYBACK_QUALITY = "playback_quality";
-    public static final String PLAY_QUEUE_KEY = "play_queue_key";
-    public static final String APPEND_ONLY = "append_only";
-    public static final String SELECT_ON_APPEND = "select_on_append";
+    @NonNull public static final String REPEAT_MODE = "repeat_mode";
+    @NonNull public static final String PLAYBACK_PITCH = "playback_pitch";
+    @NonNull public static final String PLAYBACK_SPEED = "playback_speed";
+    @NonNull public static final String PLAYBACK_SKIP_SILENCE = "playback_skip_silence";
+    @NonNull public static final String PLAYBACK_QUALITY = "playback_quality";
+    @NonNull public static final String PLAY_QUEUE_KEY = "play_queue_key";
+    @NonNull public static final String APPEND_ONLY = "append_only";
+    @NonNull public static final String SELECT_ON_APPEND = "select_on_append";
 
     /*//////////////////////////////////////////////////////////////////////////
     // Playback
     //////////////////////////////////////////////////////////////////////////*/
 
     protected static final float[] PLAYBACK_SPEEDS = {0.5f, 0.75f, 1f, 1.25f, 1.5f, 1.75f, 2f};
-    protected static final float[] PLAYBACK_PITCHES = {0.8f, 0.9f, 0.95f, 1f, 1.05f, 1.1f, 1.2f};
 
     protected PlayQueue playQueue;
     protected PlayQueueAdapter playQueueAdapter;
 
-    protected MediaSourceManager playbackManager;
+    @Nullable protected MediaSourceManager playbackManager;
 
-    protected StreamInfo currentInfo;
-    protected PlayQueueItem currentItem;
+    @Nullable private PlayQueueItem currentItem;
+    @Nullable private MediaSourceTag currentMetadata;
+    @Nullable private Bitmap currentThumbnail;
 
-    protected Toast errorToast;
+    @Nullable protected Toast errorToast;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Player
     //////////////////////////////////////////////////////////////////////////*/
 
-    protected final static int FAST_FORWARD_REWIND_AMOUNT = 10000; // 10 Seconds
-    protected final static int PLAY_PREV_ACTIVATION_LIMIT = 5000; // 5 seconds
-    protected final static int PROGRESS_LOOP_INTERVAL = 500;
-    protected final static int RECOVERY_SKIP_THRESHOLD = 3000; // 3 seconds
-
-    protected CustomTrackSelector trackSelector;
-    protected PlayerDataSource dataSource;
+    protected final static int FAST_FORWARD_REWIND_AMOUNT_MILLIS = 10000; // 10 Seconds
+    protected final static int PLAY_PREV_ACTIVATION_LIMIT_MILLIS = 5000; // 5 seconds
+    protected final static int PROGRESS_LOOP_INTERVAL_MILLIS = 500;
+    protected final static int RECOVERY_SKIP_THRESHOLD_MILLIS = 3000; // 3 seconds
 
     protected SimpleExoPlayer simpleExoPlayer;
     protected AudioReactor audioReactor;
     protected MediaSessionManager mediaSessionManager;
 
     private boolean isPrepared = false;
-    private boolean isSynchronizing = false;
-
-    protected Disposable progressUpdateReactor;
-    protected CompositeDisposable databaseUpdateReactor;
 
     //////////////////////////////////////////////////////////////////////////*/
 
@@ -171,40 +173,44 @@ public abstract class BasePlayer implements
         };
         this.intentFilter = new IntentFilter();
         setupBroadcastReceiver(intentFilter);
-        context.registerReceiver(broadcastReceiver, intentFilter);
 
         this.recordManager = new HistoryRecordManager(context);
-    }
 
-    public void setup() {
-        if (simpleExoPlayer == null) initPlayer();
-        initListeners();
-    }
-
-    public void initPlayer() {
-        if (DEBUG) Log.d(TAG, "initPlayer() called with: context = [" + context + "]");
-
-        if (databaseUpdateReactor != null) databaseUpdateReactor.dispose();
-        databaseUpdateReactor = new CompositeDisposable();
+        this.progressUpdateReactor = new SerialDisposable();
+        this.databaseUpdateReactor = new CompositeDisposable();
 
         final String userAgent = Downloader.USER_AGENT;
         final DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();
-        dataSource = new PlayerDataSource(context, userAgent, bandwidthMeter);
+        this.dataSource = new PlayerDataSource(context, userAgent, bandwidthMeter);
 
-        final AdaptiveTrackSelection.Factory trackSelectionFactory =
-                new AdaptiveTrackSelection.Factory(bandwidthMeter);
-        trackSelector = new CustomTrackSelector(trackSelectionFactory);
+        final TrackSelection.Factory trackSelectionFactory =
+                PlayerHelper.getQualitySelector(context, bandwidthMeter);
+        this.trackSelector = new CustomTrackSelector(trackSelectionFactory);
+
+        this.loadControl = new LoadController(context);
+        this.renderFactory = new DefaultRenderersFactory(context);
+    }
+
+    public void setup() {
+        if (simpleExoPlayer == null) {
+            initPlayer(/*playOnInit=*/true);
+        }
+        initListeners();
+    }
+
+    public void initPlayer(final boolean playOnReady) {
+        if (DEBUG) Log.d(TAG, "initPlayer() called with: context = [" + context + "]");
 
-        final LoadControl loadControl = new LoadController(context);
-        final RenderersFactory renderFactory = new DefaultRenderersFactory(context);
         simpleExoPlayer = ExoPlayerFactory.newSimpleInstance(renderFactory, trackSelector, loadControl);
         simpleExoPlayer.addListener(this);
-        simpleExoPlayer.setPlayWhenReady(true);
+        simpleExoPlayer.setPlayWhenReady(playOnReady);
         simpleExoPlayer.setSeekParameters(PlayerHelper.getSeekParameters(context));
 
         audioReactor = new AudioReactor(context, simpleExoPlayer);
         mediaSessionManager = new MediaSessionManager(context, simpleExoPlayer,
                 new BasePlayerMediaSession(this));
+
+        registerBroadcastReceiver();
     }
 
     public void initListeners() {}
@@ -235,19 +241,24 @@ public abstract class BasePlayer implements
         final int repeatMode = intent.getIntExtra(REPEAT_MODE, getRepeatMode());
         final float playbackSpeed = intent.getFloatExtra(PLAYBACK_SPEED, getPlaybackSpeed());
         final float playbackPitch = intent.getFloatExtra(PLAYBACK_PITCH, getPlaybackPitch());
+        final boolean playbackSkipSilence = intent.getBooleanExtra(PLAYBACK_SKIP_SILENCE,
+                getPlaybackSkipSilence());
 
         // Good to go...
-        initPlayback(queue, repeatMode, playbackSpeed, playbackPitch);
+        initPlayback(queue, repeatMode, playbackSpeed, playbackPitch, playbackSkipSilence,
+                /*playOnInit=*/true);
     }
 
     protected void initPlayback(@NonNull final PlayQueue queue,
                                 @Player.RepeatMode final int repeatMode,
                                 final float playbackSpeed,
-                                final float playbackPitch) {
+                                final float playbackPitch,
+                                final boolean playbackSkipSilence,
+                                final boolean playOnReady) {
         destroyPlayer();
-        initPlayer();
+        initPlayer(playOnReady);
         setRepeatMode(repeatMode);
-        setPlaybackParameters(playbackSpeed, playbackPitch);
+        setPlaybackParameters(playbackSpeed, playbackPitch, playbackSkipSilence);
 
         playQueue = queue;
         playQueue.init();
@@ -269,7 +280,7 @@ public abstract class BasePlayer implements
         if (playQueue != null) playQueue.dispose();
         if (audioReactor != null) audioReactor.dispose();
         if (playbackManager != null) playbackManager.dispose();
-        if (databaseUpdateReactor != null) databaseUpdateReactor.dispose();
+        if (mediaSessionManager != null) mediaSessionManager.dispose();
 
         if (playQueueAdapter != null) {
             playQueueAdapter.unsetSelectedListener();
@@ -282,20 +293,22 @@ public abstract class BasePlayer implements
         destroyPlayer();
         unregisterBroadcastReceiver();
 
-        trackSelector = null;
+        databaseUpdateReactor.clear();
+        progressUpdateReactor.set(null);
+
         simpleExoPlayer = null;
-        mediaSessionManager = null;
     }
 
     /*//////////////////////////////////////////////////////////////////////////
     // Thumbnail Loading
     //////////////////////////////////////////////////////////////////////////*/
 
-    public void initThumbnail(final String url) {
+    private void initThumbnail(final String url) {
         if (DEBUG) Log.d(TAG, "Thumbnail - initThumbnail() called");
         if (url == null || url.isEmpty()) return;
         ImageLoader.getInstance().resume();
-        ImageLoader.getInstance().loadImage(url, this);
+        ImageLoader.getInstance().loadImage(url, ImageDisplayConstants.DISPLAY_THUMBNAIL_OPTIONS,
+                this);
     }
 
     @Override
@@ -308,6 +321,7 @@ public abstract class BasePlayer implements
     public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
         Log.e(TAG, "Thumbnail - onLoadingFailed() called on imageUri = [" + imageUri + "]",
                 failReason.getCause());
+        currentThumbnail = null;
     }
 
     @Override
@@ -315,64 +329,14 @@ public abstract class BasePlayer implements
         if (DEBUG) Log.d(TAG, "Thumbnail - onLoadingComplete() called with: " +
                 "imageUri = [" + imageUri + "], view = [" + view + "], " +
                 "loadedImage = [" + loadedImage + "]");
+        currentThumbnail = loadedImage;
     }
 
     @Override
     public void onLoadingCancelled(String imageUri, View view) {
         if (DEBUG) Log.d(TAG, "Thumbnail - onLoadingCancelled() called with: " +
                 "imageUri = [" + imageUri + "], view = [" + view + "]");
-    }
-    /*//////////////////////////////////////////////////////////////////////////
-    // MediaSource Building
-    //////////////////////////////////////////////////////////////////////////*/
-
-    public MediaSource buildLiveMediaSource(@NonNull final String sourceUrl,
-                                            @C.ContentType final int type) {
-        if (DEBUG) {
-            Log.d(TAG, "buildLiveMediaSource() called with: url = [" + sourceUrl +
-                    "], content type = [" + type + "]");
-        }
-        if (dataSource == null) return null;
-
-        final Uri uri = Uri.parse(sourceUrl);
-        switch (type) {
-            case C.TYPE_SS:
-                return dataSource.getLiveSsMediaSourceFactory().createMediaSource(uri);
-            case C.TYPE_DASH:
-                return dataSource.getLiveDashMediaSourceFactory().createMediaSource(uri);
-            case C.TYPE_HLS:
-                return dataSource.getLiveHlsMediaSourceFactory().createMediaSource(uri);
-            default:
-                throw new IllegalStateException("Unsupported type: " + type);
-        }
-    }
-
-    public MediaSource buildMediaSource(@NonNull final String sourceUrl,
-                                        @NonNull final String cacheKey,
-                                        @NonNull final String overrideExtension) {
-        if (DEBUG) {
-            Log.d(TAG, "buildMediaSource() called with: url = [" + sourceUrl +
-                    "], cacheKey = [" + cacheKey + "]" +
-                    "], overrideExtension = [" + overrideExtension + "]");
-        }
-        if (dataSource == null) return null;
-
-        final Uri uri = Uri.parse(sourceUrl);
-        @C.ContentType final int type = TextUtils.isEmpty(overrideExtension) ?
-                Util.inferContentType(uri) : Util.inferContentType("." + overrideExtension);
-
-        switch (type) {
-            case C.TYPE_SS:
-                return dataSource.getLiveSsMediaSourceFactory().createMediaSource(uri);
-            case C.TYPE_DASH:
-                return dataSource.getDashMediaSourceFactory().createMediaSource(uri);
-            case C.TYPE_HLS:
-                return dataSource.getHlsMediaSourceFactory().createMediaSource(uri);
-            case C.TYPE_OTHER:
-                return dataSource.getExtractorMediaSourceFactory(cacheKey).createMediaSource(uri);
-            default:
-                throw new IllegalStateException("Unsupported type: " + type);
-        }
+        currentThumbnail = null;
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -397,11 +361,17 @@ public abstract class BasePlayer implements
         }
     }
 
-    public void unregisterBroadcastReceiver() {
+    protected void registerBroadcastReceiver() {
+        // Try to unregister current first
+        unregisterBroadcastReceiver();
+        context.registerReceiver(broadcastReceiver, intentFilter);
+    }
+
+    protected void unregisterBroadcastReceiver() {
         try {
             context.unregisterReceiver(broadcastReceiver);
         } catch (final IllegalArgumentException unregisteredException) {
-            Log.e(TAG, "Broadcast receiver already unregistered.", unregisteredException);
+            Log.w(TAG, "Broadcast receiver already unregistered (" + unregisteredException.getMessage() + ")");
         }
     }
 
@@ -508,27 +478,27 @@ public abstract class BasePlayer implements
     public abstract void onUpdateProgress(int currentProgress, int duration, int bufferPercent);
 
     protected void startProgressLoop() {
-        if (progressUpdateReactor != null) progressUpdateReactor.dispose();
-        progressUpdateReactor = getProgressReactor();
+        progressUpdateReactor.set(getProgressReactor());
     }
 
     protected void stopProgressLoop() {
-        if (progressUpdateReactor != null) progressUpdateReactor.dispose();
-        progressUpdateReactor = null;
+        progressUpdateReactor.set(null);
     }
 
     public void triggerProgressUpdate() {
+        if (simpleExoPlayer == null) return;
         onUpdateProgress(
-                (int) simpleExoPlayer.getCurrentPosition(),
+                Math.max((int) simpleExoPlayer.getCurrentPosition(), 0),
                 (int) simpleExoPlayer.getDuration(),
                 simpleExoPlayer.getBufferedPercentage()
         );
     }
 
     private Disposable getProgressReactor() {
-        return Observable.interval(PROGRESS_LOOP_INTERVAL, TimeUnit.MILLISECONDS)
+        return Observable.interval(PROGRESS_LOOP_INTERVAL_MILLIS, TimeUnit.MILLISECONDS)
                 .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(ignored -> triggerProgressUpdate());
+                .subscribe(ignored -> triggerProgressUpdate(),
+                        error -> Log.e(TAG, "Progress update failure: ", error));
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -542,28 +512,16 @@ public abstract class BasePlayer implements
                 (manifest == null ? "no manifest" : "available manifest") + ", " +
                 "timeline size = [" + timeline.getWindowCount() + "], " +
                 "reason = [" + reason + "]");
-        if (playQueue == null) return;
 
-        switch (reason) {
-            case Player.TIMELINE_CHANGE_REASON_RESET: // called after #block
-            case Player.TIMELINE_CHANGE_REASON_PREPARED: // called after #unblock
-            case Player.TIMELINE_CHANGE_REASON_DYNAMIC: // called after playlist changes
-                // Ensures MediaSourceManager#update is complete
-                final boolean isPlaylistStable = timeline.getWindowCount() == playQueue.size();
-                // Ensure dynamic/livestream timeline changes does not cause negative position
-                if (isPlaylistStable && !isCurrentWindowValid() && !isSynchronizing) {
-                    if (DEBUG) Log.d(TAG, "Playback - negative time position reached, " +
-                            "clamping position to 0ms.");
-                    seekTo(/*clampToTime=*/0);
-                }
-                break;
-        }
+        maybeUpdateCurrentMetadata();
     }
 
     @Override
     public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
         if (DEBUG) Log.d(TAG, "ExoPlayer - onTracksChanged(), " +
                 "track group size = " + trackGroups.length);
+
+        maybeUpdateCurrentMetadata();
     }
 
     @Override
@@ -583,6 +541,8 @@ public abstract class BasePlayer implements
         } else if (isLoading && !isProgressLoopRunning()) {
             startProgressLoop();
         }
+
+        maybeUpdateCurrentMetadata();
     }
 
     @Override
@@ -606,6 +566,7 @@ public abstract class BasePlayer implements
                 }
                 break;
             case Player.STATE_READY: //3
+                maybeUpdateCurrentMetadata();
                 maybeCorrectSeekPosition();
                 if (!isPrepared) {
                     isPrepared = true;
@@ -622,38 +583,19 @@ public abstract class BasePlayer implements
     }
 
     private void maybeCorrectSeekPosition() {
-        if (playQueue == null || simpleExoPlayer == null || currentInfo == null) return;
+        if (playQueue == null || simpleExoPlayer == null || currentMetadata == null) return;
 
-        final int currentSourceIndex = playQueue.getIndex();
         final PlayQueueItem currentSourceItem = playQueue.getItem();
         if (currentSourceItem == null) return;
 
-        final long recoveryPositionMillis = currentSourceItem.getRecoveryPosition();
-        final boolean isCurrentWindowCorrect =
-                simpleExoPlayer.getCurrentPeriodIndex() == currentSourceIndex;
+        final StreamInfo currentInfo = currentMetadata.getMetadata();
         final long presetStartPositionMillis = currentInfo.getStartPosition() * 1000;
-
-        if (recoveryPositionMillis != PlayQueueItem.RECOVERY_UNSET && isCurrentWindowCorrect) {
-            // Is recovering previous playback?
-            if (DEBUG) Log.d(TAG, "Playback - Rewinding to recovery time=" +
-                    "[" + getTimeString((int)recoveryPositionMillis) + "]");
-            seekTo(recoveryPositionMillis);
-            playQueue.unsetRecovery(currentSourceIndex);
-
-        } else if (isSynchronizing && simpleExoPlayer.isCurrentWindowDynamic()) {
-            if (DEBUG) Log.d(TAG, "Playback - Synchronizing livestream to default time");
-            // Is still synchronizing?
-            seekToDefault();
-
-        } else if (isSynchronizing && presetStartPositionMillis != 0L) {
+        if (presetStartPositionMillis > 0L) {
+            // Has another start position?
             if (DEBUG) Log.d(TAG, "Playback - Seeking to preset start " +
                     "position=[" + presetStartPositionMillis + "]");
-            // Has another start position?
             seekTo(presetStartPositionMillis);
-            currentInfo.setStartPosition(0);
         }
-
-        isSynchronizing = false;
     }
 
     /**
@@ -700,41 +642,23 @@ public abstract class BasePlayer implements
         }
     }
 
-    /**
-     * Processes {@link ExoPlaybackException} tagged with {@link ExoPlaybackException#TYPE_SOURCE}.
-     * <br><br>
-     * If the current {@link com.google.android.exoplayer2.Timeline.Window window} is valid,
-     * then we know the error is produced by transitioning into a bad window, therefore we report
-     * an error to the play queue based on if the current error can be skipped.
-     * <br><br>
-     * This is done because ExoPlayer reports the source exceptions before window is
-     * transitioned on seamless playback. Because player error causes ExoPlayer to go
-     * back to {@link Player#STATE_IDLE STATE_IDLE}, we reset and prepare the media source
-     * again to resume playback.
-     * <br><br>
-     * In the event that this error is produced during a valid stream playback, we save the
-     * current position so the playback may be recovered and resumed manually by the user. This
-     * happens only if the playback is {@link #RECOVERY_SKIP_THRESHOLD} milliseconds until complete.
-     * <br><br>
-     * In the event of livestreaming being lagged behind for any reason, most notably pausing for
-     * too long, a {@link BehindLiveWindowException} will be produced. This will trigger a reload
-     * instead of skipping or removal.
-     * */
     private void processSourceError(final IOException error) {
         if (simpleExoPlayer == null || playQueue == null) return;
-
-        if (simpleExoPlayer.getCurrentPosition() <
-                simpleExoPlayer.getDuration() - RECOVERY_SKIP_THRESHOLD) {
-            setRecovery();
-        }
+        setRecovery();
 
         final Throwable cause = error.getCause();
-        if (cause instanceof BehindLiveWindowException) {
+        if (error instanceof BehindLiveWindowException) {
             reload();
         } else if (cause instanceof UnknownHostException) {
             playQueue.error(/*isNetworkProblem=*/true);
+        } else if (isCurrentWindowValid()) {
+            playQueue.error(/*isTransitioningToBadStream=*/true);
+        } else if (cause instanceof FailedMediaSource.MediaSourceResolutionException) {
+            playQueue.error(/*recoverableWithNoAvailableStream=*/false);
+        } else if (cause instanceof FailedMediaSource.StreamInfoLoadException) {
+            playQueue.error(/*recoverableIfLoadFailsWhenNetworkIsFine=*/false);
         } else {
-            playQueue.error(isCurrentWindowValid());
+            playQueue.error(/*noIdeaWhatHappenedAndLetUserChooseWhatToDo=*/true);
         }
     }
 
@@ -742,22 +666,29 @@ public abstract class BasePlayer implements
     public void onPositionDiscontinuity(@Player.DiscontinuityReason final int reason) {
         if (DEBUG) Log.d(TAG, "ExoPlayer - onPositionDiscontinuity() called with " +
                 "reason = [" + reason + "]");
-        // Refresh the playback if there is a transition to the next video
-        final int newPeriodIndex = simpleExoPlayer.getCurrentPeriodIndex();
+        if (playQueue == null) return;
 
-        /* Discontinuity reasons!! Thank you ExoPlayer lords */
+        // Refresh the playback if there is a transition to the next video
+        final int newWindowIndex = simpleExoPlayer.getCurrentWindowIndex();
         switch (reason) {
             case DISCONTINUITY_REASON_PERIOD_TRANSITION:
-                if (newPeriodIndex == playQueue.getIndex()) {
+                // When player is in single repeat mode and a period transition occurs,
+                // we need to register a view count here since no metadata has changed
+                if (getRepeatMode() == Player.REPEAT_MODE_ONE &&
+                        newWindowIndex == playQueue.getIndex()) {
                     registerView();
-                } else {
-                    playQueue.offsetIndex(+1);
+                    break;
                 }
             case DISCONTINUITY_REASON_SEEK:
             case DISCONTINUITY_REASON_SEEK_ADJUSTMENT:
             case DISCONTINUITY_REASON_INTERNAL:
+                if (playQueue.getIndex() != newWindowIndex) {
+                    playQueue.setIndex(newWindowIndex);
+                }
                 break;
         }
+
+        maybeUpdateCurrentMetadata();
     }
 
     @Override
@@ -787,9 +718,10 @@ public abstract class BasePlayer implements
     //////////////////////////////////////////////////////////////////////////*/
 
     @Override
-    public boolean isNearPlaybackEdge(final long timeToEndMillis) {
+    public boolean isApproachingPlaybackEdge(final long timeToEndMillis) {
         // If live, then not near playback edge
-        if (simpleExoPlayer == null || simpleExoPlayer.isCurrentWindowDynamic()) return false;
+        // If not playing, then not approaching playback edge
+        if (simpleExoPlayer == null || isLive() || !isPlaying()) return false;
 
         final long currentPositionMillis = simpleExoPlayer.getCurrentPosition();
         final long currentDurationMillis = simpleExoPlayer.getDuration();
@@ -802,7 +734,7 @@ public abstract class BasePlayer implements
         if (DEBUG) Log.d(TAG, "Playback - onPlaybackBlock() called");
 
         currentItem = null;
-        currentInfo = null;
+        currentMetadata = null;
         simpleExoPlayer.stop();
         isPrepared = false;
 
@@ -819,42 +751,21 @@ public abstract class BasePlayer implements
         simpleExoPlayer.prepare(mediaSource);
     }
 
-    @Override
-    public void onPlaybackSynchronize(@NonNull final PlayQueueItem item,
-                                      @Nullable final StreamInfo info) {
+    public void onPlaybackSynchronize(@NonNull final PlayQueueItem item) {
         if (DEBUG) Log.d(TAG, "Playback - onPlaybackSynchronize() called with " +
-                (info != null ? "available" : "null") + " info, " +
                 "item=[" + item.getTitle() + "], url=[" + item.getUrl() + "]");
         if (simpleExoPlayer == null || playQueue == null) return;
 
         final boolean onPlaybackInitial = currentItem == null;
         final boolean hasPlayQueueItemChanged = currentItem != item;
-        final boolean hasStreamInfoChanged = currentInfo != info;
 
         final int currentPlayQueueIndex = playQueue.indexOf(item);
         final int currentPlaylistIndex = simpleExoPlayer.getCurrentWindowIndex();
         final int currentPlaylistSize = simpleExoPlayer.getCurrentTimeline().getWindowCount();
 
-        // when starting playback on the last item when not repeating, maybe auto queue
-        if (info != null && currentPlayQueueIndex == playQueue.size() - 1 &&
-                getRepeatMode() == Player.REPEAT_MODE_OFF &&
-                PlayerHelper.isAutoQueueEnabled(context)) {
-            final PlayQueue autoQueue = PlayerHelper.autoQueueOf(info, playQueue.getStreams());
-            if (autoQueue != null) playQueue.append(autoQueue.getStreams());
-        }
         // If nothing to synchronize
-        if (!hasPlayQueueItemChanged && !hasStreamInfoChanged) {
-            return;
-        }
-
+        if (!hasPlayQueueItemChanged) return;
         currentItem = item;
-        currentInfo = info;
-        if (hasPlayQueueItemChanged) {
-            // updates only to the stream info should not trigger another view count
-            registerView();
-            initThumbnail(info == null ? item.getThumbnailUrl() : info.getThumbnailUrl());
-        }
-        onMetadataChanged(item, info, currentPlayQueueIndex, hasPlayQueueItemChanged);
 
         // Check if on wrong window
         if (currentPlayQueueIndex != playQueue.getIndex()) {
@@ -869,39 +780,29 @@ public abstract class BasePlayer implements
                     "index=[" + currentPlayQueueIndex + "] with " +
                     "playlist length=[" + currentPlaylistSize + "]");
 
-            // If not playing correct stream, change window position and sets flag
-            // for synchronizing once window position is corrected
-            // @see maybeCorrectSeekPosition()
         } else if (currentPlaylistIndex != currentPlayQueueIndex || onPlaybackInitial ||
                 !isPlaying()) {
             if (DEBUG) Log.d(TAG, "Playback - Rewinding to correct" +
                     " index=[" + currentPlayQueueIndex + "]," +
                     " from=[" + currentPlaylistIndex + "], size=[" + currentPlaylistSize + "].");
-            isSynchronizing = true;
-            simpleExoPlayer.seekToDefaultPosition(currentPlayQueueIndex);
+
+            if (item.getRecoveryPosition() != PlayQueueItem.RECOVERY_UNSET) {
+                simpleExoPlayer.seekTo(currentPlayQueueIndex, item.getRecoveryPosition());
+                playQueue.unsetRecovery(currentPlayQueueIndex);
+            } else {
+                simpleExoPlayer.seekToDefaultPosition(currentPlayQueueIndex);
+            }
         }
     }
 
-    abstract protected void onMetadataChanged(@NonNull final PlayQueueItem item,
-                                              @Nullable final StreamInfo info,
-                                              final int newPlayQueueIndex,
-                                              final boolean hasPlayQueueItemChanged);
-
-    @Nullable
-    @Override
-    public MediaSource sourceOf(PlayQueueItem item, StreamInfo info) {
-        final StreamType streamType = info.getStreamType();
-        if (!(streamType == StreamType.AUDIO_LIVE_STREAM || streamType == StreamType.LIVE_STREAM)) {
-            return null;
+    protected void onMetadataChanged(@NonNull final MediaSourceTag tag) {
+        final StreamInfo info = tag.getMetadata();
+        if (DEBUG) {
+            Log.d(TAG, "Playback - onMetadataChanged() called, playing: " + info.getName());
         }
 
-        if (!info.getHlsUrl().isEmpty()) {
-            return buildLiveMediaSource(info.getHlsUrl(), C.TYPE_HLS);
-        } else if (!info.getDashMpdUrl().isEmpty()) {
-            return buildLiveMediaSource(info.getDashMpdUrl(), C.TYPE_DASH);
-        }
-
-        return null;
+        initThumbnail(info.getThumbnailUrl());
+        registerView();
     }
 
     @Override
@@ -985,22 +886,22 @@ public abstract class BasePlayer implements
 
     public void onFastRewind() {
         if (DEBUG) Log.d(TAG, "onFastRewind() called");
-        seekBy(-FAST_FORWARD_REWIND_AMOUNT);
+        seekBy(-FAST_FORWARD_REWIND_AMOUNT_MILLIS);
     }
 
     public void onFastForward() {
         if (DEBUG) Log.d(TAG, "onFastForward() called");
-        seekBy(FAST_FORWARD_REWIND_AMOUNT);
+        seekBy(FAST_FORWARD_REWIND_AMOUNT_MILLIS);
     }
 
     public void onPlayPrevious() {
         if (simpleExoPlayer == null || playQueue == null) return;
         if (DEBUG) Log.d(TAG, "onPlayPrevious() called");
 
-        /* If current playback has run for PLAY_PREV_ACTIVATION_LIMIT milliseconds,
+        /* If current playback has run for PLAY_PREV_ACTIVATION_LIMIT_MILLIS milliseconds,
         * restart current track. Also restart the track if the current track
         * is the first in a queue.*/
-        if (simpleExoPlayer.getCurrentPosition() > PLAY_PREV_ACTIVATION_LIMIT ||
+        if (simpleExoPlayer.getCurrentPosition() > PLAY_PREV_ACTIVATION_LIMIT_MILLIS ||
                 playQueue.getIndex() == 0) {
             seekToDefault();
             playQueue.offsetIndex(0);
@@ -1034,9 +935,7 @@ public abstract class BasePlayer implements
 
     public void seekTo(long positionMillis) {
         if (DEBUG) Log.d(TAG, "seekBy() called with: position = [" + positionMillis + "]");
-        if (simpleExoPlayer == null || positionMillis < 0 ||
-                positionMillis > simpleExoPlayer.getDuration()) return;
-        simpleExoPlayer.seekTo(positionMillis);
+        if (simpleExoPlayer != null) simpleExoPlayer.seekTo(positionMillis);
     }
 
     public void seekBy(long offsetMillis) {
@@ -1050,7 +949,9 @@ public abstract class BasePlayer implements
     }
 
     public void seekToDefault() {
-        if (simpleExoPlayer != null) simpleExoPlayer.seekToDefaultPosition();
+        if (simpleExoPlayer != null) {
+            simpleExoPlayer.seekToDefaultPosition();
+        }
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -1058,12 +959,14 @@ public abstract class BasePlayer implements
     //////////////////////////////////////////////////////////////////////////*/
 
     private void registerView() {
-        if (databaseUpdateReactor == null || currentInfo == null) return;
-        databaseUpdateReactor.add(recordManager.onViewed(currentInfo).onErrorComplete()
+        if (currentMetadata == null) return;
+        final StreamInfo currentInfo = currentMetadata.getMetadata();
+        final Disposable viewRegister = recordManager.onViewed(currentInfo).onErrorComplete()
                 .subscribe(
                         ignored -> {/* successful */},
                         error -> Log.e(TAG, "Player onViewed() failure: ", error)
-                ));
+                );
+        databaseUpdateReactor.add(viewRegister);
     }
 
     protected void reload() {
@@ -1077,7 +980,7 @@ public abstract class BasePlayer implements
     }
 
     protected void savePlaybackState(final StreamInfo info, final long progress) {
-        if (info == null || databaseUpdateReactor == null) return;
+        if (info == null) return;
         final Disposable stateSaver = recordManager.saveStreamState(info, progress)
                 .observeOn(AndroidSchedulers.mainThread())
                 .onErrorComplete()
@@ -1089,14 +992,45 @@ public abstract class BasePlayer implements
     }
 
     private void savePlaybackState() {
-        if (simpleExoPlayer == null || currentInfo == null) return;
+        if (simpleExoPlayer == null || currentMetadata == null) return;
+        final StreamInfo currentInfo = currentMetadata.getMetadata();
 
-        if (simpleExoPlayer.getCurrentPosition() > RECOVERY_SKIP_THRESHOLD &&
+        if (simpleExoPlayer.getCurrentPosition() > RECOVERY_SKIP_THRESHOLD_MILLIS &&
                 simpleExoPlayer.getCurrentPosition() <
-                        simpleExoPlayer.getDuration() - RECOVERY_SKIP_THRESHOLD) {
+                        simpleExoPlayer.getDuration() - RECOVERY_SKIP_THRESHOLD_MILLIS) {
             savePlaybackState(currentInfo, simpleExoPlayer.getCurrentPosition());
         }
     }
+
+    private void maybeUpdateCurrentMetadata() {
+        if (simpleExoPlayer == null) return;
+
+        final MediaSourceTag metadata;
+        try {
+            metadata = (MediaSourceTag) simpleExoPlayer.getCurrentTag();
+        } catch (IndexOutOfBoundsException | ClassCastException error) {
+            if(DEBUG) Log.d(TAG, "Could not update metadata: " + error.getMessage());
+            if(DEBUG) error.printStackTrace();
+            return;
+        }
+
+        if (metadata == null) return;
+        maybeAutoQueueNextStream(metadata);
+
+        if (currentMetadata == metadata) return;
+        currentMetadata = metadata;
+        onMetadataChanged(metadata);
+    }
+
+    private void maybeAutoQueueNextStream(@NonNull final MediaSourceTag currentMetadata) {
+        if (playQueue == null || playQueue.getIndex() != playQueue.size() - 1 ||
+                getRepeatMode() != Player.REPEAT_MODE_OFF ||
+                !PlayerHelper.isAutoQueueEnabled(context)) return;
+        // auto queue when starting playback on the last item when not repeating
+        final PlayQueue autoQueue = PlayerHelper.autoQueueOf(currentMetadata.getMetadata(),
+                playQueue.getStreams());
+        if (autoQueue != null) playQueue.append(autoQueue.getStreams());
+    }
     /*//////////////////////////////////////////////////////////////////////////
     // Getters and Setters
     //////////////////////////////////////////////////////////////////////////*/
@@ -1113,23 +1047,37 @@ public abstract class BasePlayer implements
         return currentState;
     }
 
+    @Nullable
+    public MediaSourceTag getCurrentMetadata() {
+        return currentMetadata;
+    }
+
+    @NonNull
     public String getVideoUrl() {
-        return currentItem == null ? context.getString(R.string.unknown_content) : currentItem.getUrl();
+        return currentMetadata == null ? context.getString(R.string.unknown_content) : currentMetadata.getMetadata().getUrl();
     }
 
+    @NonNull
     public String getVideoTitle() {
-        return currentItem == null ? context.getString(R.string.unknown_content) : currentItem.getTitle();
+        return currentMetadata == null ? context.getString(R.string.unknown_content) : currentMetadata.getMetadata().getName();
     }
 
+    @NonNull
     public String getUploaderName() {
-        return currentItem == null ? context.getString(R.string.unknown_content) : currentItem.getUploader();
+        return currentMetadata == null ? context.getString(R.string.unknown_content) : currentMetadata.getMetadata().getUploaderName();
+    }
+
+    @Nullable
+    public Bitmap getThumbnail() {
+        return currentThumbnail == null ?
+                BitmapFactory.decodeResource(context.getResources(), R.drawable.dummy_thumbnail) :
+                currentThumbnail;
     }
 
     /** Checks if the current playback is a livestream AND is playing at or beyond the live edge */
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
     public boolean isLiveEdge() {
-        if (simpleExoPlayer == null) return false;
-        final boolean isLive = simpleExoPlayer.isCurrentWindowDynamic();
-        if (!isLive) return false;
+        if (simpleExoPlayer == null || !isLive()) return false;
 
         final Timeline currentTimeline = simpleExoPlayer.getCurrentTimeline();
         final int currentWindowIndex = simpleExoPlayer.getCurrentWindowIndex();
@@ -1143,6 +1091,19 @@ public abstract class BasePlayer implements
         return timelineWindow.getDefaultPositionMs() <= simpleExoPlayer.getCurrentPosition();
     }
 
+    public boolean isLive() {
+        if (simpleExoPlayer == null) return false;
+        try {
+            return simpleExoPlayer.isCurrentWindowDynamic();
+        } catch (@NonNull IndexOutOfBoundsException ignored) {
+            // Why would this even happen =(
+            // But lets log it anyway. Save is save
+            if(DEBUG) Log.d(TAG, "Could not update metadata: " + ignored.getMessage());
+            if(DEBUG) ignored.printStackTrace();
+            return false;
+        }
+    }
+
     public boolean isPlaying() {
         final int state = simpleExoPlayer.getPlaybackState();
         return (state == Player.STATE_READY || state == Player.STATE_BUFFERING)
@@ -1151,11 +1112,11 @@ public abstract class BasePlayer implements
 
     @Player.RepeatMode
     public int getRepeatMode() {
-        return simpleExoPlayer.getRepeatMode();
+        return simpleExoPlayer == null ? Player.REPEAT_MODE_OFF : simpleExoPlayer.getRepeatMode();
     }
 
     public void setRepeatMode(@Player.RepeatMode final int repeatMode) {
-        simpleExoPlayer.setRepeatMode(repeatMode);
+        if (simpleExoPlayer != null) simpleExoPlayer.setRepeatMode(repeatMode);
     }
 
     public float getPlaybackSpeed() {
@@ -1166,23 +1127,22 @@ public abstract class BasePlayer implements
         return getPlaybackParameters().pitch;
     }
 
-    public void setPlaybackSpeed(float speed) {
-        setPlaybackParameters(speed, getPlaybackPitch());
+    public boolean getPlaybackSkipSilence() {
+        return getPlaybackParameters().skipSilence;
     }
 
-    public void setPlaybackPitch(float pitch) {
-        setPlaybackParameters(getPlaybackSpeed(), pitch);
+    public void setPlaybackSpeed(float speed) {
+        setPlaybackParameters(speed, getPlaybackPitch(), getPlaybackSkipSilence());
     }
 
     public PlaybackParameters getPlaybackParameters() {
-        final PlaybackParameters defaultParameters = new PlaybackParameters(1f, 1f);
-        if (simpleExoPlayer == null) return defaultParameters;
+        if (simpleExoPlayer == null) return PlaybackParameters.DEFAULT;
         final PlaybackParameters parameters = simpleExoPlayer.getPlaybackParameters();
-        return parameters == null ? defaultParameters : parameters;
+        return parameters == null ? PlaybackParameters.DEFAULT : parameters;
     }
 
-    public void setPlaybackParameters(float speed, float pitch) {
-        simpleExoPlayer.setPlaybackParameters(new PlaybackParameters(speed, pitch));
+    public void setPlaybackParameters(float speed, float pitch, boolean skipSilence) {
+        simpleExoPlayer.setPlaybackParameters(new PlaybackParameters(speed, pitch, skipSilence));
     }
 
     public PlayQueue getPlayQueue() {
@@ -1198,7 +1158,7 @@ public abstract class BasePlayer implements
     }
 
     public boolean isProgressLoopRunning() {
-        return progressUpdateReactor != null && !progressUpdateReactor.isDisposed();
+        return progressUpdateReactor.get() != null;
     }
 
     public void setRecovery() {

app/src/main/java/org/schabi/newpipe/player/MainVideoPlayer.java

@@ -25,14 +25,18 @@ import android.content.SharedPreferences;
 import android.content.pm.ActivityInfo;
 import android.content.res.Configuration;
 import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
 import android.media.AudioManager;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.provider.Settings;
+import android.support.annotation.ColorInt;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.ActivityCompat;
 import android.support.v7.app.AppCompatActivity;
+import android.support.v7.content.res.AppCompatResources;
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.helper.ItemTouchHelper;
 import android.util.DisplayMetrics;
@@ -43,27 +47,30 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.WindowManager;
 import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.PopupMenu;
+import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
 import android.widget.SeekBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
 import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.text.CaptionStyleCompat;
 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
 import com.google.android.exoplayer2.ui.SubtitleView;
 
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.fragments.OnScrollBelowItemsListener;
 import org.schabi.newpipe.player.helper.PlaybackParameterDialog;
 import org.schabi.newpipe.player.helper.PlayerHelper;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.PlayQueueItem;
-import org.schabi.newpipe.playlist.PlayQueueItemBuilder;
-import org.schabi.newpipe.playlist.PlayQueueItemHolder;
-import org.schabi.newpipe.playlist.PlayQueueItemTouchCallback;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItemBuilder;
+import org.schabi.newpipe.player.playqueue.PlayQueueItemHolder;
+import org.schabi.newpipe.player.playqueue.PlayQueueItemTouchCallback;
+import org.schabi.newpipe.player.resolver.MediaSourceTag;
+import org.schabi.newpipe.player.resolver.VideoPlaybackResolver;
 import org.schabi.newpipe.util.AnimationUtils;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.NavigationHelper;
@@ -78,6 +85,7 @@ import java.util.UUID;
 import static org.schabi.newpipe.player.BasePlayer.STATE_PLAYING;
 import static org.schabi.newpipe.player.VideoPlayer.DEFAULT_CONTROLS_DURATION;
 import static org.schabi.newpipe.player.VideoPlayer.DEFAULT_CONTROLS_HIDE_TIME;
+import static org.schabi.newpipe.util.AnimationUtils.Type.SCALE_AND_ALPHA;
 import static org.schabi.newpipe.util.AnimationUtils.Type.SLIDE_AND_ALPHA;
 import static org.schabi.newpipe.util.AnimationUtils.animateRotation;
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
@@ -95,12 +103,13 @@ public final class MainVideoPlayer extends AppCompatActivity
 
     private GestureDetector gestureDetector;
 
-    private boolean activityPaused;
     private VideoPlayerImpl playerImpl;
 
     private SharedPreferences defaultPreferences;
 
-    @Nullable private StateSaver.SavedState savedState;
+    @Nullable private PlayerState playerState;
+    private boolean isInMultiWindow;
+    private boolean isBackPressed;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Activity LifeCycle
@@ -112,12 +121,17 @@ public final class MainVideoPlayer extends AppCompatActivity
         if (DEBUG) Log.d(TAG, "onCreate() called with: savedInstanceState = [" + savedInstanceState + "]");
         defaultPreferences = PreferenceManager.getDefaultSharedPreferences(this);
         ThemeHelper.setTheme(this);
+        getWindow().setBackgroundDrawable(new ColorDrawable(Color.BLACK));
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) getWindow().setStatusBarColor(Color.BLACK);
         setVolumeControlStream(AudioManager.STREAM_MUSIC);
 
+        WindowManager.LayoutParams lp = getWindow().getAttributes();
+        lp.screenBrightness = PlayerHelper.getScreenBrightness(getApplicationContext());
+        getWindow().setAttributes(lp);
+
         hideSystemUi();
         setContentView(R.layout.activity_main_player);
-        playerImpl = new VideoPlayerImpl(this);
+        playerImpl = new  VideoPlayerImpl(this);
         playerImpl.setup(findViewById(android.R.id.content));
 
         if (savedInstanceState != null && savedInstanceState.get(KEY_SAVED_STATE) != null) {
@@ -135,39 +149,45 @@ public final class MainVideoPlayer extends AppCompatActivity
 
     @Override
     protected void onRestoreInstanceState(@NonNull Bundle bundle) {
+        if (DEBUG) Log.d(TAG, "onRestoreInstanceState() called");
         super.onRestoreInstanceState(bundle);
-        savedState = StateSaver.tryToRestore(bundle, this);
+        StateSaver.tryToRestore(bundle, this);
     }
 
     @Override
     protected void onNewIntent(Intent intent) {
         if (DEBUG) Log.d(TAG, "onNewIntent() called with: intent = [" + intent + "]");
         super.onNewIntent(intent);
-        playerImpl.handleIntent(intent);
+        if (intent != null) {
+            playerState = null;
+            playerImpl.handleIntent(intent);
+        }
     }
 
     @Override
     protected void onResume() {
-        super.onResume();
         if (DEBUG) Log.d(TAG, "onResume() called");
-        if (playerImpl.getPlayer() != null && activityPaused && playerImpl.wasPlaying()
-                && !playerImpl.isPlaying()) {
-            playerImpl.onPlay();
-        }
-        activityPaused = false;
+        super.onResume();
 
-        if(globalScreenOrientationLocked()) {
-            boolean lastOrientationWasLandscape
-                    = defaultPreferences.getBoolean(getString(R.string.last_orientation_landscape_key), false);
+        if (globalScreenOrientationLocked()) {
+            boolean lastOrientationWasLandscape = defaultPreferences.getBoolean(
+                    getString(R.string.last_orientation_landscape_key), false);
             setLandscape(lastOrientationWasLandscape);
         }
-    }
 
-    @Override
-    public void onBackPressed() {
-        if (DEBUG) Log.d(TAG, "onBackPressed() called");
-        super.onBackPressed();
-        if (playerImpl.isPlaying()) playerImpl.getPlayer().setPlayWhenReady(false);
+        // Upon going in or out of multiwindow mode, isInMultiWindow will always be false,
+        // since the first onResume needs to restore the player.
+        // Subsequent onResume calls while multiwindow mode remains the same and the player is
+        // prepared should be ignored.
+        if (isInMultiWindow) return;
+        isInMultiWindow = isInMultiWindow();
+
+        if (playerState != null) {
+            playerImpl.setPlaybackQuality(playerState.getPlaybackQuality());
+            playerImpl.initPlayback(playerState.getPlayQueue(), playerState.getRepeatMode(),
+                    playerState.getPlaybackSpeed(), playerState.getPlaybackPitch(),
+                    playerState.isPlaybackSkipSilence(), playerState.wasPlaying());
+        }
     }
 
     @Override
@@ -181,32 +201,40 @@ public final class MainVideoPlayer extends AppCompatActivity
     }
 
     @Override
-    protected void onPause() {
-        super.onPause();
-        if (DEBUG) Log.d(TAG, "onPause() called");
-
-        if (playerImpl != null && playerImpl.getPlayer() != null && !activityPaused) {
-            playerImpl.wasPlaying = playerImpl.isPlaying();
-            playerImpl.onPause();
-        }
-        activityPaused = true;
+    public void onBackPressed() {
+        super.onBackPressed();
+        isBackPressed = true;
     }
 
     @Override
     protected void onSaveInstanceState(Bundle outState) {
+        if (DEBUG) Log.d(TAG, "onSaveInstanceState() called");
         super.onSaveInstanceState(outState);
         if (playerImpl == null) return;
 
         playerImpl.setRecovery();
-        savedState = StateSaver.tryToSave(isChangingConfigurations(), savedState,
-                outState, this);
+        playerState = new PlayerState(playerImpl.getPlayQueue(), playerImpl.getRepeatMode(),
+                playerImpl.getPlaybackSpeed(), playerImpl.getPlaybackPitch(),
+                playerImpl.getPlaybackQuality(), playerImpl.getPlaybackSkipSilence(),
+                playerImpl.isPlaying());
+        StateSaver.tryToSave(isChangingConfigurations(), null, outState, this);
     }
 
     @Override
-    protected void onDestroy() {
-        super.onDestroy();
-        if (DEBUG) Log.d(TAG, "onDestroy() called");
-        if (playerImpl != null) playerImpl.destroy();
+    protected void onStop() {
+        if (DEBUG) Log.d(TAG, "onStop() called");
+        super.onStop();
+        PlayerHelper.setScreenBrightness(getApplicationContext(),
+                getWindow().getAttributes().screenBrightness);
+
+        if (playerImpl == null) return;
+        if (!isBackPressed) {
+            playerImpl.minimize();
+        }
+        playerImpl.destroy();
+
+        isInMultiWindow = false;
+        isBackPressed = false;
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -221,48 +249,19 @@ public final class MainVideoPlayer extends AppCompatActivity
     @Override
     public void writeTo(Queue<Object> objectsToSave) {
         if (objectsToSave == null) return;
-        objectsToSave.add(playerImpl.getPlayQueue());
-        objectsToSave.add(playerImpl.getRepeatMode());
-        objectsToSave.add(playerImpl.getPlaybackSpeed());
-        objectsToSave.add(playerImpl.getPlaybackPitch());
-        objectsToSave.add(playerImpl.getPlaybackQuality());
+        objectsToSave.add(playerState);
     }
 
     @Override
     @SuppressWarnings("unchecked")
-    public void readFrom(@NonNull Queue<Object> savedObjects) throws Exception {
-        @NonNull final PlayQueue queue = (PlayQueue) savedObjects.poll();
-        final int repeatMode = (int) savedObjects.poll();
-        final float playbackSpeed = (float) savedObjects.poll();
-        final float playbackPitch = (float) savedObjects.poll();
-        @NonNull final String playbackQuality = (String) savedObjects.poll();
-
-        playerImpl.setPlaybackQuality(playbackQuality);
-        playerImpl.initPlayback(queue, repeatMode, playbackSpeed, playbackPitch);
-
-        StateSaver.onDestroy(savedState);
+    public void readFrom(@NonNull Queue<Object> savedObjects) {
+        playerState = (PlayerState) savedObjects.poll();
     }
 
     /*//////////////////////////////////////////////////////////////////////////
     // View
     //////////////////////////////////////////////////////////////////////////*/
 
-    /**
-     * Prior to Kitkat, hiding system ui causes the player view to be overlaid and require two
-     * clicks to get rid of that invisible overlay. By showing the system UI on actions/events,
-     * that overlay is removed and the player view is put to the foreground.
-     *
-     * Post Kitkat, navbar and status bar can be pulled out by swiping the edge of
-     * screen, therefore, we can do nothing or hide the UI on actions/events.
-     * */
-    private void changeSystemUi() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
-            showSystemUi();
-        } else {
-            hideSystemUi();
-        }
-    }
-
     private void showSystemUi() {
         if (DEBUG) Log.d(TAG, "showSystemUi() called");
         if (playerImpl != null && playerImpl.queueVisible) return;
@@ -275,6 +274,14 @@ public final class MainVideoPlayer extends AppCompatActivity
         } else {
             visibility = View.STATUS_BAR_VISIBLE;
         }
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            @ColorInt final int systenUiColor =
+                    ActivityCompat.getColor(getApplicationContext(), R.color.video_overlay_color);
+            getWindow().setStatusBarColor(systenUiColor);
+            getWindow().setNavigationBarColor(systenUiColor);
+        }
+
         getWindow().getDecorView().setSystemUiVisibility(visibility);
         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
     }
@@ -342,23 +349,36 @@ public final class MainVideoPlayer extends AppCompatActivity
         }
     }
 
+    private boolean isInMultiWindow() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && isInMultiWindowMode();
+    }
+
     ////////////////////////////////////////////////////////////////////////////
     // Playback Parameters Listener
     ////////////////////////////////////////////////////////////////////////////
 
     @Override
-    public void onPlaybackParameterChanged(float playbackTempo, float playbackPitch) {
-        if (playerImpl != null) playerImpl.setPlaybackParameters(playbackTempo, playbackPitch);
+    public void onPlaybackParameterChanged(float playbackTempo, float playbackPitch,
+                                           boolean playbackSkipSilence) {
+        if (playerImpl != null) {
+            playerImpl.setPlaybackParameters(playbackTempo, playbackPitch, playbackSkipSilence);
+        }
     }
 
     ///////////////////////////////////////////////////////////////////////////
 
     @SuppressWarnings({"unused", "WeakerAccess"})
     private class VideoPlayerImpl extends VideoPlayer {
+        private final float MAX_GESTURE_LENGTH = 0.75f;
+
         private TextView titleTextView;
         private TextView channelTextView;
-        private TextView volumeTextView;
-        private TextView brightnessTextView;
+        private RelativeLayout volumeRelativeLayout;
+        private ProgressBar volumeProgressBar;
+        private ImageView volumeImageView;
+        private RelativeLayout brightnessRelativeLayout;
+        private ProgressBar brightnessProgressBar;
+        private ImageView brightnessImageView;
         private ImageButton queueButton;
         private ImageButton repeatButton;
         private ImageButton shuffleButton;
@@ -382,6 +402,8 @@ public final class MainVideoPlayer extends AppCompatActivity
         private RelativeLayout windowRootLayout;
         private View secondaryControls;
 
+        private int maxGestureLength;
+
         VideoPlayerImpl(final Context context) {
             super("VideoPlayerImpl" + MainVideoPlayer.TAG, context);
         }
@@ -391,8 +413,12 @@ public final class MainVideoPlayer extends AppCompatActivity
             super.initViews(rootView);
             this.titleTextView = rootView.findViewById(R.id.titleTextView);
             this.channelTextView = rootView.findViewById(R.id.channelTextView);
-            this.volumeTextView = rootView.findViewById(R.id.volumeTextView);
-            this.brightnessTextView = rootView.findViewById(R.id.brightnessTextView);
+            this.volumeRelativeLayout = rootView.findViewById(R.id.volumeRelativeLayout);
+            this.volumeProgressBar = rootView.findViewById(R.id.volumeProgressBar);
+            this.volumeImageView = rootView.findViewById(R.id.volumeImageView);
+            this.brightnessRelativeLayout = rootView.findViewById(R.id.brightnessRelativeLayout);
+            this.brightnessProgressBar = rootView.findViewById(R.id.brightnessProgressBar);
+            this.brightnessImageView = rootView.findViewById(R.id.brightnessImageView);
             this.queueButton = rootView.findViewById(R.id.queueButton);
             this.repeatButton = rootView.findViewById(R.id.repeatButton);
             this.shuffleButton = rootView.findViewById(R.id.shuffleButton);
@@ -411,15 +437,6 @@ public final class MainVideoPlayer extends AppCompatActivity
             this.itemsListCloseButton = findViewById(R.id.playQueueClose);
             this.itemsList = findViewById(R.id.playQueue);
 
-            this.windowRootLayout = rootView.findViewById(R.id.playbackWindowRoot);
-            // Prior to Kitkat, there is no way of setting translucent navbar programmatically.
-            // Thus, fit system windows is opted instead.
-            // See https://stackoverflow.com/questions/29069070/completely-transparent-status-bar-and-navigation-bar-on-lollipop
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-                windowRootLayout.setFitsSystemWindows(false);
-                windowRootLayout.invalidate();
-            }
-
             titleTextView.setSelected(true);
             channelTextView.setSelected(true);
 
@@ -428,27 +445,22 @@ public final class MainVideoPlayer extends AppCompatActivity
 
         @Override
         protected void setupSubtitleView(@NonNull SubtitleView view,
-                                         @NonNull String captionSizeKey) {
-            final float captionRatioInverse;
-            if (captionSizeKey.equals(getString(R.string.smaller_caption_size_key))) {
-                captionRatioInverse = 22f;
-            } else if (captionSizeKey.equals(getString(R.string.larger_caption_size_key))) {
-                captionRatioInverse = 18f;
-            } else {
-                captionRatioInverse = 20f;
-            }
-
+                                         final float captionScale,
+                                         @NonNull final CaptionStyleCompat captionStyle) {
             final DisplayMetrics metrics = context.getResources().getDisplayMetrics();
             final int minimumLength = Math.min(metrics.heightPixels, metrics.widthPixels);
+            final float captionRatioInverse = 20f + 4f * (1f - captionScale);
             view.setFixedTextSize(TypedValue.COMPLEX_UNIT_PX,
                     (float) minimumLength / captionRatioInverse);
+            view.setApplyEmbeddedStyles(captionStyle.equals(CaptionStyleCompat.DEFAULT));
+            view.setStyle(captionStyle);
         }
 
         @Override
         public void initListeners() {
             super.initListeners();
 
-            MySimpleOnGestureListener listener = new MySimpleOnGestureListener();
+            PlayerGestureListener listener = new PlayerGestureListener();
             gestureDetector = new GestureDetector(context, listener);
             gestureDetector.setIsLongpressEnabled(false);
             getRootView().setOnTouchListener(listener);
@@ -465,6 +477,37 @@ public final class MainVideoPlayer extends AppCompatActivity
             toggleOrientationButton.setOnClickListener(this);
             switchBackgroundButton.setOnClickListener(this);
             switchPopupButton.setOnClickListener(this);
+
+            getRootView().addOnLayoutChangeListener((view, l, t, r, b, ol, ot, or, ob) -> {
+                if (l != ol || t != ot || r != or || b != ob) {
+                    // Use smaller value to be consistent between screen orientations
+                    // (and to make usage easier)
+                    int width = r - l, height = b - t;
+                    maxGestureLength = (int) (Math.min(width, height) * MAX_GESTURE_LENGTH);
+
+                    if (DEBUG) Log.d(TAG, "maxGestureLength = " + maxGestureLength);
+
+                    volumeProgressBar.setMax(maxGestureLength);
+                    brightnessProgressBar.setMax(maxGestureLength);
+
+                    setInitialGestureValues();
+                }
+            });
+        }
+
+        public void minimize() {
+            switch (PlayerHelper.getMinimizeOnExitAction(context)) {
+                case PlayerHelper.MinimizeMode.MINIMIZE_ON_EXIT_MODE_BACKGROUND:
+                    onPlayBackgroundButtonClicked();
+                    break;
+                case PlayerHelper.MinimizeMode.MINIMIZE_ON_EXIT_MODE_POPUP:
+                    onFullScreenButtonClicked();
+                    break;
+                case PlayerHelper.MinimizeMode.MINIMIZE_ON_EXIT_MODE_NONE:
+                default:
+                    // No action
+                    break;
+            }
         }
 
         /*//////////////////////////////////////////////////////////////////////////
@@ -487,14 +530,11 @@ public final class MainVideoPlayer extends AppCompatActivity
         // Playback Listener
         //////////////////////////////////////////////////////////////////////////*/
 
-        protected void onMetadataChanged(@NonNull final PlayQueueItem item,
-                                         @Nullable final StreamInfo info,
-                                         final int newPlayQueueIndex,
-                                         final boolean hasPlayQueueItemChanged) {
-            super.onMetadataChanged(item, info, newPlayQueueIndex, false);
+        protected void onMetadataChanged(@NonNull final MediaSourceTag tag) {
+            super.onMetadataChanged(tag);
 
-            titleTextView.setText(getVideoTitle());
-            channelTextView.setText(getUploaderName());
+            titleTextView.setText(tag.getMetadata().getName());
+            channelTextView.setText(tag.getMetadata().getUploaderName());
         }
 
         @Override
@@ -527,6 +567,7 @@ public final class MainVideoPlayer extends AppCompatActivity
                     this.getRepeatMode(),
                     this.getPlaybackSpeed(),
                     this.getPlaybackPitch(),
+                    this.getPlaybackSkipSilence(),
                     this.getPlaybackQuality()
             );
             context.startService(intent);
@@ -548,6 +589,7 @@ public final class MainVideoPlayer extends AppCompatActivity
                     this.getRepeatMode(),
                     this.getPlaybackSpeed(),
                     this.getPlaybackPitch(),
+                    this.getPlaybackSkipSilence(),
                     this.getPlaybackQuality()
             );
             context.startService(intent);
@@ -643,7 +685,8 @@ public final class MainVideoPlayer extends AppCompatActivity
 
         @Override
         public void onPlaybackSpeedClicked() {
-            PlaybackParameterDialog.newInstance(getPlaybackSpeed(), getPlaybackPitch())
+            PlaybackParameterDialog
+                    .newInstance(getPlaybackSpeed(), getPlaybackPitch(), getPlaybackSkipSilence())
                     .show(getSupportFragmentManager(), TAG);
         }
 
@@ -673,14 +716,19 @@ public final class MainVideoPlayer extends AppCompatActivity
         }
 
         @Override
-        protected int getDefaultResolutionIndex(final List<VideoStream> sortedVideos) {
-            return ListHelper.getDefaultResolutionIndex(context, sortedVideos);
-        }
+        protected VideoPlaybackResolver.QualityResolver getQualityResolver() {
+            return new VideoPlaybackResolver.QualityResolver() {
+                @Override
+                public int getDefaultResolutionIndex(List<VideoStream> sortedVideos) {
+                    return ListHelper.getDefaultResolutionIndex(context, sortedVideos);
+                }
 
-        @Override
-        protected int getOverrideResolutionIndex(final List<VideoStream> sortedVideos,
-                                                 final String playbackQuality) {
-            return ListHelper.getDefaultResolutionIndex(context, sortedVideos, playbackQuality);
+                @Override
+                public int getOverrideResolutionIndex(List<VideoStream> sortedVideos,
+                                                      String playbackQuality) {
+                    return ListHelper.getResolutionIndex(context, sortedVideos, playbackQuality);
+                }
+            };
         }
 
         /*//////////////////////////////////////////////////////////////////////////
@@ -704,7 +752,6 @@ public final class MainVideoPlayer extends AppCompatActivity
         @Override
         public void onBuffering() {
             super.onBuffering();
-            animatePlayButtons(false, 100);
             getRootView().setKeepScreenOn(true);
         }
 
@@ -727,7 +774,7 @@ public final class MainVideoPlayer extends AppCompatActivity
                 animatePlayButtons(true, 200);
             });
 
-            changeSystemUi();
+            showSystemUi();
             getRootView().setKeepScreenOn(false);
         }
 
@@ -754,6 +801,13 @@ public final class MainVideoPlayer extends AppCompatActivity
         // Utils
         //////////////////////////////////////////////////////////////////////////*/
 
+        private void setInitialGestureValues() {
+            if (getAudioReactor() != null) {
+                final float currentVolumeNormalized = (float) getAudioReactor().getVolume() / getAudioReactor().getMaxVolume();
+                volumeProgressBar.setProgress((int) (volumeProgressBar.getMax() * currentVolumeNormalized));
+            }
+        }
+
         @Override
         public void showControlsThenHide() {
             if (queueVisible) return;
@@ -857,12 +911,28 @@ public final class MainVideoPlayer extends AppCompatActivity
             return channelTextView;
         }
 
-        public TextView getVolumeTextView() {
-            return volumeTextView;
+        public RelativeLayout getVolumeRelativeLayout() {
+            return volumeRelativeLayout;
         }
 
-        public TextView getBrightnessTextView() {
-            return brightnessTextView;
+        public ProgressBar getVolumeProgressBar() {
+            return volumeProgressBar;
+        }
+
+        public ImageView getVolumeImageView() {
+            return volumeImageView;
+        }
+
+        public RelativeLayout getBrightnessRelativeLayout() {
+            return brightnessRelativeLayout;
+        }
+
+        public ProgressBar getBrightnessProgressBar() {
+            return brightnessProgressBar;
+        }
+
+        public ImageView getBrightnessImageView() {
+            return brightnessImageView;
         }
 
         public ImageButton getRepeatButton() {
@@ -872,20 +942,25 @@ public final class MainVideoPlayer extends AppCompatActivity
         public ImageButton getPlayPauseButton() {
             return playPauseButton;
         }
+
+        public int getMaxGestureLength() {
+            return maxGestureLength;
+        }
     }
 
-    private class MySimpleOnGestureListener extends GestureDetector.SimpleOnGestureListener implements View.OnTouchListener {
+    private class PlayerGestureListener extends GestureDetector.SimpleOnGestureListener implements View.OnTouchListener {
         private boolean isMoving;
 
         @Override
         public boolean onDoubleTap(MotionEvent e) {
             if (DEBUG) Log.d(TAG, "onDoubleTap() called with: e = [" + e + "]" + "rawXy = " + e.getRawX() + ", " + e.getRawY() + ", xy = " + e.getX() + ", " + e.getY());
-            if (!playerImpl.isPlaying()) return false;
 
-            if (e.getX() > playerImpl.getRootView().getWidth() / 2) {
+            if (e.getX() > playerImpl.getRootView().getWidth() * 2 / 3) {
                 playerImpl.onFastForward();
-            } else {
+            } else if (e.getX() < playerImpl.getRootView().getWidth() / 3) {
                 playerImpl.onFastRewind();
+            } else {
+                playerImpl.getPlayPauseButton().performClick();
             }
 
             return true;
@@ -900,7 +975,7 @@ public final class MainVideoPlayer extends AppCompatActivity
                 playerImpl.hideControls(150, 0);
             } else {
                 playerImpl.showControlsThenHide();
-                changeSystemUi();
+                showSystemUi();
             }
             return true;
         }
@@ -912,89 +987,91 @@ public final class MainVideoPlayer extends AppCompatActivity
             return super.onDown(e);
         }
 
+        private static final int MOVEMENT_THRESHOLD = 40;
+
         private final boolean isPlayerGestureEnabled = PlayerHelper.isPlayerGestureEnabled(getApplicationContext());
+        private final int maxVolume = playerImpl.getAudioReactor().getMaxVolume();
 
-        private final float stepsBrightness = 15, stepBrightness = (1f / stepsBrightness), minBrightness = .01f;
-        private float currentBrightness = .5f;
-
-        private int currentVolume, maxVolume = playerImpl.getAudioReactor().getMaxVolume();
-        private final float stepsVolume = 15, stepVolume = (float) Math.ceil(maxVolume / stepsVolume), minVolume = 0;
-
-        private final String brightnessUnicode = new String(Character.toChars(0x2600));
-        private final String volumeUnicode = new String(Character.toChars(0x1F508));
-
-        private final int MOVEMENT_THRESHOLD = 40;
-        private final int eventsThreshold = 8;
-        private boolean triggered = false;
-        private int eventsNum;
-
-        // TODO: Improve video gesture controls
         @Override
-        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
+        public boolean onScroll(MotionEvent initialEvent, MotionEvent movingEvent, float distanceX, float distanceY) {
             if (!isPlayerGestureEnabled) return false;
 
             //noinspection PointlessBooleanExpression
             if (DEBUG && false) Log.d(TAG, "MainVideoPlayer.onScroll = " +
-                    ", e1.getRaw = [" + e1.getRawX() + ", " + e1.getRawY() + "]" +
-                    ", e2.getRaw = [" + e2.getRawX() + ", " + e2.getRawY() + "]" +
+                    ", e1.getRaw = [" + initialEvent.getRawX() + ", " + initialEvent.getRawY() + "]" +
+                    ", e2.getRaw = [" + movingEvent.getRawX() + ", " + movingEvent.getRawY() + "]" +
                     ", distanceXy = [" + distanceX + ", " + distanceY + "]");
-            float abs = Math.abs(e2.getY() - e1.getY());
-            if (!triggered) {
-                triggered = abs > MOVEMENT_THRESHOLD;
+
+            final boolean insideThreshold = Math.abs(movingEvent.getY() - initialEvent.getY()) <= MOVEMENT_THRESHOLD;
+            if (!isMoving && (insideThreshold || Math.abs(distanceX) > Math.abs(distanceY))
+                    || playerImpl.getCurrentState() == BasePlayer.STATE_COMPLETED) {
                 return false;
             }
 
-            if (eventsNum++ % eventsThreshold != 0 || playerImpl.getCurrentState() == BasePlayer.STATE_COMPLETED) return false;
             isMoving = true;
-//            boolean up = !((e2.getY() - e1.getY()) > 0) && distanceY > 0; // Android's origin point is on top
-            boolean up = distanceY > 0;
 
-
-            if (e1.getX() > playerImpl.getRootView().getWidth() / 2) {
-                double floor = Math.floor(up ? stepVolume : -stepVolume);
-                currentVolume = (int) (playerImpl.getAudioReactor().getVolume() + floor);
-                if (currentVolume >= maxVolume) currentVolume = maxVolume;
-                if (currentVolume <= minVolume) currentVolume = (int) minVolume;
+            if (initialEvent.getX() > playerImpl.getRootView().getWidth() / 2) {
+                playerImpl.getVolumeProgressBar().incrementProgressBy((int) distanceY);
+                float currentProgressPercent =
+                        (float) playerImpl.getVolumeProgressBar().getProgress() / playerImpl.getMaxGestureLength();
+                int currentVolume = (int) (maxVolume * currentProgressPercent);
                 playerImpl.getAudioReactor().setVolume(currentVolume);
 
-                currentVolume = playerImpl.getAudioReactor().getVolume();
                 if (DEBUG) Log.d(TAG, "onScroll().volumeControl, currentVolume = " + currentVolume);
-                final String volumeText = volumeUnicode + " " + Math.round((((float) currentVolume) / maxVolume) * 100) + "%";
-                playerImpl.getVolumeTextView().setText(volumeText);
 
-                if (playerImpl.getVolumeTextView().getVisibility() != View.VISIBLE) animateView(playerImpl.getVolumeTextView(), true, 200);
-                if (playerImpl.getBrightnessTextView().getVisibility() == View.VISIBLE) playerImpl.getBrightnessTextView().setVisibility(View.GONE);
+                final int resId =
+                        currentProgressPercent <= 0 ? R.drawable.ic_volume_off_white_72dp
+                        : currentProgressPercent < 0.25 ? R.drawable.ic_volume_mute_white_72dp
+                        : currentProgressPercent < 0.75 ? R.drawable.ic_volume_down_white_72dp
+                        : R.drawable.ic_volume_up_white_72dp;
+
+                playerImpl.getVolumeImageView().setImageDrawable(
+                        AppCompatResources.getDrawable(getApplicationContext(), resId)
+                );
+
+                if (playerImpl.getVolumeRelativeLayout().getVisibility() != View.VISIBLE) {
+                    animateView(playerImpl.getVolumeRelativeLayout(), SCALE_AND_ALPHA, true, 200);
+                }
+                if (playerImpl.getBrightnessRelativeLayout().getVisibility() == View.VISIBLE) {
+                    playerImpl.getBrightnessRelativeLayout().setVisibility(View.GONE);
+                }
             } else {
-                WindowManager.LayoutParams lp = getWindow().getAttributes();
-                currentBrightness += up ? stepBrightness : -stepBrightness;
-                if (currentBrightness >= 1f) currentBrightness = 1f;
-                if (currentBrightness <= minBrightness) currentBrightness = minBrightness;
+                playerImpl.getBrightnessProgressBar().incrementProgressBy((int) distanceY);
+                float currentProgressPercent =
+                        (float) playerImpl.getBrightnessProgressBar().getProgress() / playerImpl.getMaxGestureLength();
+                WindowManager.LayoutParams layoutParams = getWindow().getAttributes();
+                layoutParams.screenBrightness = currentProgressPercent;
+                getWindow().setAttributes(layoutParams);
 
-                lp.screenBrightness = currentBrightness;
-                getWindow().setAttributes(lp);
-                if (DEBUG) Log.d(TAG, "onScroll().brightnessControl, currentBrightness = " + currentBrightness);
-                int brightnessNormalized = Math.round(currentBrightness * 100);
+                if (DEBUG) Log.d(TAG, "onScroll().brightnessControl, currentBrightness = " + currentProgressPercent);
 
-                final String brightnessText = brightnessUnicode + " " + (brightnessNormalized == 1 ? 0 : brightnessNormalized) + "%";
-                playerImpl.getBrightnessTextView().setText(brightnessText);
+                final int resId =
+                        currentProgressPercent < 0.25 ? R.drawable.ic_brightness_low_white_72dp
+                        : currentProgressPercent < 0.75 ? R.drawable.ic_brightness_medium_white_72dp
+                        : R.drawable.ic_brightness_high_white_72dp;
 
-                if (playerImpl.getBrightnessTextView().getVisibility() != View.VISIBLE) animateView(playerImpl.getBrightnessTextView(), true, 200);
-                if (playerImpl.getVolumeTextView().getVisibility() == View.VISIBLE) playerImpl.getVolumeTextView().setVisibility(View.GONE);
+                playerImpl.getBrightnessImageView().setImageDrawable(
+                        AppCompatResources.getDrawable(getApplicationContext(), resId)
+                );
+
+                if (playerImpl.getBrightnessRelativeLayout().getVisibility() != View.VISIBLE) {
+                    animateView(playerImpl.getBrightnessRelativeLayout(), SCALE_AND_ALPHA, true, 200);
+                }
+                if (playerImpl.getVolumeRelativeLayout().getVisibility() == View.VISIBLE) {
+                    playerImpl.getVolumeRelativeLayout().setVisibility(View.GONE);
+                }
             }
             return true;
         }
 
         private void onScrollEnd() {
             if (DEBUG) Log.d(TAG, "onScrollEnd() called");
-            triggered = false;
-            eventsNum = 0;
-            /* if (playerImpl.getVolumeTextView().getVisibility() == View.VISIBLE) playerImpl.getVolumeTextView().setVisibility(View.GONE);
-            if (playerImpl.getBrightnessTextView().getVisibility() == View.VISIBLE) playerImpl.getBrightnessTextView().setVisibility(View.GONE);*/
-            if (playerImpl.getVolumeTextView().getVisibility() == View.VISIBLE) {
-                animateView(playerImpl.getVolumeTextView(), false, 200, 200);
+
+            if (playerImpl.getVolumeRelativeLayout().getVisibility() == View.VISIBLE) {
+                animateView(playerImpl.getVolumeRelativeLayout(), SCALE_AND_ALPHA, false, 200, 200);
             }
-            if (playerImpl.getBrightnessTextView().getVisibility() == View.VISIBLE) {
-                animateView(playerImpl.getBrightnessTextView(), false, 200, 200);
+            if (playerImpl.getBrightnessRelativeLayout().getVisibility() == View.VISIBLE) {
+                animateView(playerImpl.getBrightnessRelativeLayout(), SCALE_AND_ALPHA, false, 200, 200);
             }
 
             if (playerImpl.isControlsVisible() && playerImpl.getCurrentState() == STATE_PLAYING) {

app/src/main/java/org/schabi/newpipe/player/PlayerState.java

@@ -0,0 +1,77 @@
+package org.schabi.newpipe.player;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+
+import java.io.Serializable;
+
+public class PlayerState implements Serializable {
+
+    @NonNull private final PlayQueue playQueue;
+    private final int repeatMode;
+    private final float playbackSpeed;
+    private final float playbackPitch;
+    @Nullable private final String playbackQuality;
+    private final boolean playbackSkipSilence;
+    private final boolean wasPlaying;
+
+    PlayerState(@NonNull final PlayQueue playQueue, final int repeatMode,
+                final float playbackSpeed, final float playbackPitch,
+                final boolean playbackSkipSilence, final boolean wasPlaying) {
+        this(playQueue, repeatMode, playbackSpeed, playbackPitch, null,
+                playbackSkipSilence, wasPlaying);
+    }
+
+    PlayerState(@NonNull final PlayQueue playQueue, final int repeatMode,
+                final float playbackSpeed, final float playbackPitch,
+                @Nullable final String playbackQuality, final boolean playbackSkipSilence,
+                final boolean wasPlaying) {
+        this.playQueue = playQueue;
+        this.repeatMode = repeatMode;
+        this.playbackSpeed = playbackSpeed;
+        this.playbackPitch = playbackPitch;
+        this.playbackQuality = playbackQuality;
+        this.playbackSkipSilence = playbackSkipSilence;
+        this.wasPlaying = wasPlaying;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Serdes
+    //////////////////////////////////////////////////////////////////////////*/
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Getters
+    //////////////////////////////////////////////////////////////////////////*/
+
+    @NonNull
+    public PlayQueue getPlayQueue() {
+        return playQueue;
+    }
+
+    public int getRepeatMode() {
+        return repeatMode;
+    }
+
+    public float getPlaybackSpeed() {
+        return playbackSpeed;
+    }
+
+    public float getPlaybackPitch() {
+        return playbackPitch;
+    }
+
+    @Nullable
+    public String getPlaybackQuality() {
+        return playbackQuality;
+    }
+
+    public boolean isPlaybackSkipSilence() {
+        return playbackSkipSilence;
+    }
+
+    public boolean wasPlaying() {
+        return wasPlaying;
+    }
+}

app/src/main/java/org/schabi/newpipe/player/PopupVideoPlayer.java

@@ -19,6 +19,8 @@
 
 package org.schabi.newpipe.player;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.annotation.SuppressLint;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
@@ -34,7 +36,7 @@ import android.os.Build;
 import android.os.IBinder;
 import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
+import android.support.design.widget.FloatingActionButton;
 import android.support.v4.app.NotificationCompat;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -42,8 +44,11 @@ import android.view.GestureDetector;
 import android.view.Gravity;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
+import android.view.animation.AnticipateInterpolator;
 import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.PopupMenu;
 import android.widget.RemoteViews;
 import android.widget.SeekBar;
@@ -52,18 +57,20 @@ import android.widget.TextView;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.PlaybackParameters;
 import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.text.CaptionStyleCompat;
 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
 import com.google.android.exoplayer2.ui.SubtitleView;
+import com.nostra13.universalimageloader.core.assist.FailReason;
 
 import org.schabi.newpipe.BuildConfig;
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.player.event.PlayerEventListener;
 import org.schabi.newpipe.player.helper.LockManager;
 import org.schabi.newpipe.player.helper.PlayerHelper;
 import org.schabi.newpipe.player.old.PlayVideoActivity;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.resolver.MediaSourceTag;
+import org.schabi.newpipe.player.resolver.VideoPlaybackResolver;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.ThemeHelper;
@@ -96,11 +103,19 @@ public final class PopupVideoPlayer extends Service {
 
     private static final int MINIMUM_SHOW_EXTRA_WIDTH_DP = 300;
 
-    private WindowManager windowManager;
-    private WindowManager.LayoutParams windowLayoutParams;
-    private GestureDetector gestureDetector;
+    private static final int IDLE_WINDOW_FLAGS = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
+            WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+    private static final int ONGOING_PLAYBACK_WINDOW_FLAGS = IDLE_WINDOW_FLAGS |
+            WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
+
+    private WindowManager windowManager;
+    private WindowManager.LayoutParams popupLayoutParams;
+    private GestureDetector popupGestureDetector;
+
+    private View closeOverlayView;
+    private FloatingActionButton closeOverlayButton;
+    private WindowManager.LayoutParams closeOverlayLayoutParams;
 
-    private int shutdownFlingVelocity;
     private int tossFlingVelocity;
 
     private float screenWidth, screenHeight;
@@ -115,6 +130,7 @@ public final class PopupVideoPlayer extends Service {
 
     private VideoPlayerImpl playerImpl;
     private LockManager lockManager;
+    private boolean isPopupClosing = false;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Service-Activity Binder
@@ -143,7 +159,10 @@ public final class PopupVideoPlayer extends Service {
     public int onStartCommand(final Intent intent, int flags, int startId) {
         if (DEBUG)
             Log.d(TAG, "onStartCommand() called with: intent = [" + intent + "], flags = [" + flags + "], startId = [" + startId + "]");
-        if (playerImpl.getPlayer() == null) initPopup();
+        if (playerImpl.getPlayer() == null) {
+            initPopup();
+            initPopupCloseOverlay();
+        }
         if (!playerImpl.isPlaying()) playerImpl.getPlayer().setPlayWhenReady(true);
 
         playerImpl.handleIntent(intent);
@@ -153,15 +172,16 @@ public final class PopupVideoPlayer extends Service {
 
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
+        if (DEBUG) Log.d(TAG, "onConfigurationChanged() called with: newConfig = [" + newConfig + "]");
         updateScreenSize();
-        updatePopupSize(windowLayoutParams.width, -1);
-        checkPositionBounds();
+        updatePopupSize(popupLayoutParams.width, -1);
+        checkPopupPositionBounds();
     }
 
     @Override
     public void onDestroy() {
         if (DEBUG) Log.d(TAG, "onDestroy() called");
-        onClose();
+        closePopup();
     }
 
     @Override
@@ -179,7 +199,6 @@ public final class PopupVideoPlayer extends Service {
         View rootView = View.inflate(this, R.layout.player_popup, null);
         playerImpl.setup(rootView);
 
-        shutdownFlingVelocity = PlayerHelper.getShutdownFlingVelocity(this);
         tossFlingVelocity = PlayerHelper.getTossFlingVelocity(this);
 
         updateScreenSize();
@@ -189,28 +208,56 @@ public final class PopupVideoPlayer extends Service {
         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
         popupWidth = popupRememberSizeAndPos ? sharedPreferences.getFloat(POPUP_SAVED_WIDTH, defaultSize) : defaultSize;
 
-        final int layoutParamType = Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.O ? WindowManager.LayoutParams.TYPE_PHONE : WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+        final int layoutParamType = Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.O ?
+                WindowManager.LayoutParams.TYPE_PHONE :
+                WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
 
-        windowLayoutParams = new WindowManager.LayoutParams(
+        popupLayoutParams = new WindowManager.LayoutParams(
                 (int) popupWidth, (int) getMinimumVideoHeight(popupWidth),
                 layoutParamType,
-                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
+                IDLE_WINDOW_FLAGS,
                 PixelFormat.TRANSLUCENT);
-        windowLayoutParams.gravity = Gravity.LEFT | Gravity.TOP;
+        popupLayoutParams.gravity = Gravity.LEFT | Gravity.TOP;
+        popupLayoutParams.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
 
         int centerX = (int) (screenWidth / 2f - popupWidth / 2f);
         int centerY = (int) (screenHeight / 2f - popupHeight / 2f);
-        windowLayoutParams.x = popupRememberSizeAndPos ? sharedPreferences.getInt(POPUP_SAVED_X, centerX) : centerX;
-        windowLayoutParams.y = popupRememberSizeAndPos ? sharedPreferences.getInt(POPUP_SAVED_Y, centerY) : centerY;
+        popupLayoutParams.x = popupRememberSizeAndPos ? sharedPreferences.getInt(POPUP_SAVED_X, centerX) : centerX;
+        popupLayoutParams.y = popupRememberSizeAndPos ? sharedPreferences.getInt(POPUP_SAVED_Y, centerY) : centerY;
 
-        checkPositionBounds();
+        checkPopupPositionBounds();
 
-        MySimpleOnGestureListener listener = new MySimpleOnGestureListener();
-        gestureDetector = new GestureDetector(this, listener);
+        PopupWindowGestureListener listener = new PopupWindowGestureListener();
+        popupGestureDetector = new GestureDetector(this, listener);
         rootView.setOnTouchListener(listener);
-        playerImpl.getLoadingPanel().setMinimumWidth(windowLayoutParams.width);
-        playerImpl.getLoadingPanel().setMinimumHeight(windowLayoutParams.height);
-        windowManager.addView(rootView, windowLayoutParams);
+
+        playerImpl.getLoadingPanel().setMinimumWidth(popupLayoutParams.width);
+        playerImpl.getLoadingPanel().setMinimumHeight(popupLayoutParams.height);
+        windowManager.addView(rootView, popupLayoutParams);
+    }
+
+    @SuppressLint("RtlHardcoded")
+    private void initPopupCloseOverlay() {
+        if (DEBUG) Log.d(TAG, "initPopupCloseOverlay() called");
+        closeOverlayView = View.inflate(this, R.layout.player_popup_close_overlay, null);
+        closeOverlayButton = closeOverlayView.findViewById(R.id.closeButton);
+
+        final int layoutParamType = Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.O ?
+                WindowManager.LayoutParams.TYPE_PHONE :
+                WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+        final int flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
+                | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
+
+        closeOverlayLayoutParams = new WindowManager.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT,
+                layoutParamType,
+                flags,
+                PixelFormat.TRANSLUCENT);
+        closeOverlayLayoutParams.gravity = Gravity.LEFT | Gravity.TOP;
+        closeOverlayLayoutParams.softInputMode = WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
+
+        closeOverlayButton.setVisibility(View.GONE);
+        windowManager.addView(closeOverlayView, closeOverlayLayoutParams);
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -226,6 +273,7 @@ public final class PopupVideoPlayer extends Service {
 
         notRemoteView.setTextViewText(R.id.notificationSongName, playerImpl.getVideoTitle());
         notRemoteView.setTextViewText(R.id.notificationArtist, playerImpl.getUploaderName());
+        notRemoteView.setImageViewBitmap(R.id.notificationCover, playerImpl.getThumbnail());
 
         notRemoteView.setOnClickPendingIntent(R.id.notificationPlayPause,
                 PendingIntent.getBroadcast(this, NOTIFICATION_ID, new Intent(ACTION_PLAY_PAUSE), PendingIntent.FLAG_UPDATE_CURRENT));
@@ -241,11 +289,15 @@ public final class PopupVideoPlayer extends Service {
 
         setRepeatModeRemote(notRemoteView, playerImpl.getRepeatMode());
 
-        return new NotificationCompat.Builder(this, getString(R.string.notification_channel_id))
+        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, getString(R.string.notification_channel_id))
                 .setOngoing(true)
                 .setSmallIcon(R.drawable.ic_newpipe_triangle_white)
                 .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
                 .setContent(notRemoteView);
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
+            builder.setPriority(NotificationCompat.PRIORITY_MAX);
+        }
+        return builder;
     }
 
     /**
@@ -265,44 +317,105 @@ public final class PopupVideoPlayer extends Service {
     // Misc
     //////////////////////////////////////////////////////////////////////////*/
 
-    public void onClose() {
-        if (DEBUG) Log.d(TAG, "onClose() called");
+    public void closePopup() {
+        if (DEBUG) Log.d(TAG, "closePopup() called, isPopupClosing = " + isPopupClosing);
+        if (isPopupClosing) return;
+        isPopupClosing = true;
 
         if (playerImpl != null) {
             if (playerImpl.getRootView() != null) {
                 windowManager.removeView(playerImpl.getRootView());
-                playerImpl.setRootView(null);
             }
+            playerImpl.setRootView(null);
             playerImpl.stopActivityBinding();
             playerImpl.destroy();
+            playerImpl = null;
         }
+
+        mBinder = null;
         if (lockManager != null) lockManager.releaseWifiAndCpu();
         if (notificationManager != null) notificationManager.cancel(NOTIFICATION_ID);
-        mBinder = null;
-        playerImpl = null;
 
-        stopForeground(true);
-        stopSelf();
+        animateOverlayAndFinishService();
+    }
+
+    private void animateOverlayAndFinishService() {
+        final int targetTranslationY = (int) (closeOverlayButton.getRootView().getHeight() - closeOverlayButton.getY());
+
+        closeOverlayButton.animate().setListener(null).cancel();
+        closeOverlayButton.animate()
+                .setInterpolator(new AnticipateInterpolator())
+                .translationY(targetTranslationY)
+                .setDuration(400)
+                .setListener(new AnimatorListenerAdapter() {
+                    @Override
+                    public void onAnimationCancel(Animator animation) {
+                        end();
+                    }
+
+                    @Override
+                    public void onAnimationEnd(Animator animation) {
+                        end();
+                    }
+
+                    private void end() {
+                        windowManager.removeView(closeOverlayView);
+
+                        stopForeground(true);
+                        stopSelf();
+                    }
+                }).start();
     }
 
     /*//////////////////////////////////////////////////////////////////////////
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
 
-    private void checkPositionBounds() {
-        if (windowLayoutParams.x > screenWidth - windowLayoutParams.width)
-            windowLayoutParams.x = (int) (screenWidth - windowLayoutParams.width);
-        if (windowLayoutParams.x < 0) windowLayoutParams.x = 0;
-        if (windowLayoutParams.y > screenHeight - windowLayoutParams.height)
-            windowLayoutParams.y = (int) (screenHeight - windowLayoutParams.height);
-        if (windowLayoutParams.y < 0) windowLayoutParams.y = 0;
+    /**
+     * @see #checkPopupPositionBounds(float, float)
+     */
+    @SuppressWarnings("UnusedReturnValue")
+    private boolean checkPopupPositionBounds() {
+        return checkPopupPositionBounds(screenWidth, screenHeight);
+    }
+
+    /**
+     * Check if {@link #popupLayoutParams}' position is within a arbitrary boundary that goes from (0,0) to (boundaryWidth,boundaryHeight).
+     * <p>
+     * If it's out of these boundaries, {@link #popupLayoutParams}' position is changed and {@code true} is returned
+     * to represent this change.
+     *
+     * @return if the popup was out of bounds and have been moved back to it
+     */
+    private boolean checkPopupPositionBounds(final float boundaryWidth, final float boundaryHeight) {
+        if (DEBUG) {
+            Log.d(TAG, "checkPopupPositionBounds() called with: boundaryWidth = [" + boundaryWidth + "], boundaryHeight = [" + boundaryHeight + "]");
+        }
+
+        if (popupLayoutParams.x < 0) {
+            popupLayoutParams.x = 0;
+            return true;
+        } else if (popupLayoutParams.x > boundaryWidth - popupLayoutParams.width) {
+            popupLayoutParams.x = (int) (boundaryWidth - popupLayoutParams.width);
+            return true;
+        }
+
+        if (popupLayoutParams.y < 0) {
+            popupLayoutParams.y = 0;
+            return true;
+        } else if (popupLayoutParams.y > boundaryHeight - popupLayoutParams.height) {
+            popupLayoutParams.y = (int) (boundaryHeight - popupLayoutParams.height);
+            return true;
+        }
+
+        return false;
     }
 
     private void savePositionAndSize() {
         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(PopupVideoPlayer.this);
-        sharedPreferences.edit().putInt(POPUP_SAVED_X, windowLayoutParams.x).apply();
-        sharedPreferences.edit().putInt(POPUP_SAVED_Y, windowLayoutParams.y).apply();
-        sharedPreferences.edit().putFloat(POPUP_SAVED_WIDTH, windowLayoutParams.width).apply();
+        sharedPreferences.edit().putInt(POPUP_SAVED_X, popupLayoutParams.x).apply();
+        sharedPreferences.edit().putInt(POPUP_SAVED_Y, popupLayoutParams.y).apply();
+        sharedPreferences.edit().putFloat(POPUP_SAVED_WIDTH, popupLayoutParams.width).apply();
     }
 
     private float getMinimumVideoHeight(float width) {
@@ -337,13 +450,13 @@ public final class PopupVideoPlayer extends Service {
         if (height == -1) height = (int) getMinimumVideoHeight(width);
         else height = (int) (height > maximumHeight ? maximumHeight : height < minimumHeight ? minimumHeight : height);
 
-        windowLayoutParams.width = width;
-        windowLayoutParams.height = height;
+        popupLayoutParams.width = width;
+        popupLayoutParams.height = height;
         popupWidth = width;
         popupHeight = height;
 
         if (DEBUG) Log.d(TAG, "updatePopupSize() updated values:  width = [" + width + "], height = [" + height + "]");
-        windowManager.updateViewLayout(playerImpl.getRootView(), windowLayoutParams);
+        windowManager.updateViewLayout(playerImpl.getRootView(), popupLayoutParams);
     }
 
     protected void setRepeatModeRemote(final RemoteViews remoteViews, final int repeatMode) {
@@ -364,13 +477,21 @@ public final class PopupVideoPlayer extends Service {
         }
     }
 
+    private void updateWindowFlags(final int flags) {
+        if (popupLayoutParams == null || windowManager == null || playerImpl == null) return;
+
+        popupLayoutParams.flags = flags;
+        windowManager.updateViewLayout(playerImpl.getRootView(), popupLayoutParams);
+    }
     ///////////////////////////////////////////////////////////////////////////
 
     protected class VideoPlayerImpl extends VideoPlayer implements View.OnLayoutChangeListener {
         private TextView resizingIndicator;
         private ImageButton fullScreenButton;
+        private ImageView videoPlayPause;
 
         private View extraOptionsView;
+        private View closingOverlayView;
 
         @Override
         public void handleIntent(Intent intent) {
@@ -390,21 +511,27 @@ public final class PopupVideoPlayer extends Service {
             resizingIndicator = rootView.findViewById(R.id.resizing_indicator);
             fullScreenButton = rootView.findViewById(R.id.fullScreenButton);
             fullScreenButton.setOnClickListener(v -> onFullScreenButtonClicked());
+            videoPlayPause = rootView.findViewById(R.id.videoPlayPause);
 
             extraOptionsView = rootView.findViewById(R.id.extraOptionsView);
+            closingOverlayView = rootView.findViewById(R.id.closingOverlay);
             rootView.addOnLayoutChangeListener(this);
         }
 
+        @Override
+        public void initListeners() {
+            super.initListeners();
+            videoPlayPause.setOnClickListener(v -> onPlayPause());
+        }
+
         @Override
         protected void setupSubtitleView(@NonNull SubtitleView view,
-                                         @NonNull String captionSizeKey) {
-            float captionRatio = SubtitleView.DEFAULT_TEXT_SIZE_FRACTION;
-            if (captionSizeKey.equals(getString(R.string.smaller_caption_size_key))) {
-                captionRatio *= 0.9;
-            } else if (captionSizeKey.equals(getString(R.string.larger_caption_size_key))) {
-                captionRatio *= 1.1;
-            }
-            view.setFractionalTextSize(captionRatio);
+                                         final float captionScale,
+                                         @NonNull final CaptionStyleCompat captionStyle) {
+            float captionRatio = (captionScale - 1f) / 5f + 1f;
+            view.setFractionalTextSize(SubtitleView.DEFAULT_TEXT_SIZE_FRACTION * captionRatio);
+            view.setApplyEmbeddedStyles(captionStyle.equals(CaptionStyleCompat.DEFAULT));
+            view.setStyle(captionStyle);
         }
 
         @Override
@@ -421,21 +548,6 @@ public final class PopupVideoPlayer extends Service {
             super.destroy();
         }
 
-        @Override
-        public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
-            super.onLoadingComplete(imageUri, view, loadedImage);
-            if (loadedImage != null) {
-                // rebuild notification here since remote view does not release bitmaps, causing memory leaks
-                notBuilder = createNotification();
-
-                if (notRemoteView != null) {
-                    notRemoteView.setImageViewBitmap(R.id.notificationCover, loadedImage);
-                }
-
-                updateNotification(-1);
-            }
-        }
-
         @Override
         public void onFullScreenButtonClicked() {
             super.onFullScreenButtonClicked();
@@ -452,6 +564,7 @@ public final class PopupVideoPlayer extends Service {
                         this.getRepeatMode(),
                         this.getPlaybackSpeed(),
                         this.getPlaybackPitch(),
+                        this.getPlaybackSkipSilence(),
                         this.getPlaybackQuality()
                 );
                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
@@ -464,7 +577,7 @@ public final class PopupVideoPlayer extends Service {
                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             }
             context.startActivity(intent);
-            onClose();
+            closePopup();
         }
 
         @Override
@@ -503,14 +616,47 @@ public final class PopupVideoPlayer extends Service {
         }
 
         @Override
-        protected int getDefaultResolutionIndex(final List<VideoStream> sortedVideos) {
-            return ListHelper.getPopupDefaultResolutionIndex(context, sortedVideos);
+        protected VideoPlaybackResolver.QualityResolver getQualityResolver() {
+            return new VideoPlaybackResolver.QualityResolver() {
+                @Override
+                public int getDefaultResolutionIndex(List<VideoStream> sortedVideos) {
+                    return ListHelper.getPopupDefaultResolutionIndex(context, sortedVideos);
+                }
+
+                @Override
+                public int getOverrideResolutionIndex(List<VideoStream> sortedVideos,
+                                                      String playbackQuality) {
+                    return ListHelper.getPopupResolutionIndex(context, sortedVideos,
+                            playbackQuality);
+                }
+            };
+        }
+
+        /*//////////////////////////////////////////////////////////////////////////
+        // Thumbnail Loading
+        //////////////////////////////////////////////////////////////////////////*/
+
+        @Override
+        public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
+            super.onLoadingComplete(imageUri, view, loadedImage);
+            // rebuild notification here since remote view does not release bitmaps,
+            // causing memory leaks
+            resetNotification();
+            updateNotification(-1);
         }
 
         @Override
-        protected int getOverrideResolutionIndex(final List<VideoStream> sortedVideos,
-                                                 final String playbackQuality) {
-            return ListHelper.getPopupDefaultResolutionIndex(context, sortedVideos, playbackQuality);
+        public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
+            super.onLoadingFailed(imageUri, view, failReason);
+            resetNotification();
+            updateNotification(-1);
+        }
+
+        @Override
+        public void onLoadingCancelled(String imageUri, View view) {
+            super.onLoadingCancelled(imageUri, view);
+            resetNotification();
+            updateNotification(-1);
         }
 
         /*//////////////////////////////////////////////////////////////////////////
@@ -531,8 +677,8 @@ public final class PopupVideoPlayer extends Service {
         }
 
         private void updateMetadata() {
-            if (activityListener != null && currentInfo != null) {
-                activityListener.onMetadataUpdate(currentInfo);
+            if (activityListener != null && getCurrentMetadata() != null) {
+                activityListener.onMetadataUpdate(getCurrentMetadata().getMetadata());
             }
         }
 
@@ -564,8 +710,9 @@ public final class PopupVideoPlayer extends Service {
         public void onRepeatModeChanged(int i) {
             super.onRepeatModeChanged(i);
             setRepeatModeRemote(notRemoteView, i);
-            updateNotification(-1);
             updatePlayback();
+            resetNotification();
+            updateNotification(-1);
         }
 
         @Override
@@ -578,18 +725,17 @@ public final class PopupVideoPlayer extends Service {
         // Playback Listener
         //////////////////////////////////////////////////////////////////////////*/
 
-        protected void onMetadataChanged(@NonNull final PlayQueueItem item,
-                                         @Nullable final StreamInfo info,
-                                         final int newPlayQueueIndex,
-                                         final boolean hasPlayQueueItemChanged) {
-            super.onMetadataChanged(item, info, newPlayQueueIndex, false);
+        protected void onMetadataChanged(@NonNull final MediaSourceTag tag) {
+            super.onMetadataChanged(tag);
+            resetNotification();
+            updateNotification(-1);
             updateMetadata();
         }
 
         @Override
         public void onPlaybackShutdown() {
             super.onPlaybackShutdown();
-            onClose();
+            closePopup();
         }
 
         /*//////////////////////////////////////////////////////////////////////////
@@ -615,7 +761,7 @@ public final class PopupVideoPlayer extends Service {
             if (DEBUG) Log.d(TAG, "onBroadcastReceived() called with: intent = [" + intent + "]");
             switch (intent.getAction()) {
                 case ACTION_CLOSE:
-                    onClose();
+                    closePopup();
                     break;
                 case ACTION_PLAY_PAUSE:
                     onPlayPause();
@@ -645,44 +791,85 @@ public final class PopupVideoPlayer extends Service {
         @Override
         public void onBlocked() {
             super.onBlocked();
+            resetNotification();
             updateNotification(R.drawable.ic_play_arrow_white);
         }
 
         @Override
         public void onPlaying() {
             super.onPlaying();
-            updateNotification(R.drawable.ic_pause_white);
-            lockManager.acquireWifiAndCpu();
 
+            updateWindowFlags(ONGOING_PLAYBACK_WINDOW_FLAGS);
+
+            resetNotification();
+            updateNotification(R.drawable.ic_pause_white);
+
+            videoPlayPause.setBackgroundResource(R.drawable.ic_pause_white);
             hideControls(DEFAULT_CONTROLS_DURATION, DEFAULT_CONTROLS_HIDE_TIME);
+
+            startForeground(NOTIFICATION_ID, notBuilder.build());
+            lockManager.acquireWifiAndCpu();
         }
 
         @Override
         public void onBuffering() {
             super.onBuffering();
+            resetNotification();
             updateNotification(R.drawable.ic_play_arrow_white);
         }
 
         @Override
         public void onPaused() {
             super.onPaused();
+
+            updateWindowFlags(IDLE_WINDOW_FLAGS);
+
+            resetNotification();
             updateNotification(R.drawable.ic_play_arrow_white);
-            showAndAnimateControl(R.drawable.ic_play_arrow_white, false);
+
+            videoPlayPause.setBackgroundResource(R.drawable.ic_play_arrow_white);
             lockManager.releaseWifiAndCpu();
+
+            stopForeground(false);
         }
 
         @Override
         public void onPausedSeek() {
             super.onPausedSeek();
+            resetNotification();
             updateNotification(R.drawable.ic_play_arrow_white);
+
+            videoPlayPause.setBackgroundResource(R.drawable.ic_pause_white);
         }
 
         @Override
         public void onCompleted() {
             super.onCompleted();
+
+            updateWindowFlags(IDLE_WINDOW_FLAGS);
+
+            resetNotification();
             updateNotification(R.drawable.ic_replay_white);
-            showAndAnimateControl(R.drawable.ic_replay_white, false);
+
+            videoPlayPause.setBackgroundResource(R.drawable.ic_replay_white);
             lockManager.releaseWifiAndCpu();
+
+            stopForeground(false);
+        }
+
+        @Override
+        public void showControlsThenHide() {
+            videoPlayPause.setVisibility(View.VISIBLE);
+            super.showControlsThenHide();
+        }
+
+        public void showControls(long duration) {
+            videoPlayPause.setVisibility(View.VISIBLE);
+            super.showControls(duration);
+        }
+
+        public void hideControls(final long duration, long delay) {
+            super.hideControlsAndButton(duration, delay, videoPlayPause);
         }
 
         /*//////////////////////////////////////////////////////////////////////////
@@ -691,8 +878,9 @@ public final class PopupVideoPlayer extends Service {
 
         /*package-private*/ void enableVideoRenderer(final boolean enable) {
             final int videoRendererIndex = getRendererIndex(C.TRACK_TYPE_VIDEO);
-            if (trackSelector != null && videoRendererIndex != RENDERER_UNAVAILABLE) {
-                trackSelector.setRendererDisabled(videoRendererIndex, !enable);
+            if (videoRendererIndex != RENDERER_UNAVAILABLE) {
+                trackSelector.setParameters(trackSelector.buildUponParameters()
+                        .setRendererDisabled(videoRendererIndex, !enable));
             }
         }
 
@@ -704,12 +892,15 @@ public final class PopupVideoPlayer extends Service {
         public TextView getResizingIndicator() {
             return resizingIndicator;
         }
+
+        public View getClosingOverlayView() {
+            return closingOverlayView;
+        }
     }
 
-    private class MySimpleOnGestureListener extends GestureDetector.SimpleOnGestureListener implements View.OnTouchListener {
+    private class PopupWindowGestureListener extends GestureDetector.SimpleOnGestureListener implements View.OnTouchListener {
         private int initialPopupX, initialPopupY;
         private boolean isMoving;
-
         private boolean isResizing;
 
         @Override
@@ -718,6 +909,8 @@ public final class PopupVideoPlayer extends Service {
                 Log.d(TAG, "onDoubleTap() called with: e = [" + e + "]" + "rawXy = " + e.getRawX() + ", " + e.getRawY() + ", xy = " + e.getX() + ", " + e.getY());
             if (playerImpl == null || !playerImpl.isPlaying()) return false;
 
+            playerImpl.hideControls(0, 0);
+
             if (e.getX() > popupWidth / 2) {
                 playerImpl.onFastForward();
             } else {
@@ -731,17 +924,27 @@ public final class PopupVideoPlayer extends Service {
         public boolean onSingleTapConfirmed(MotionEvent e) {
             if (DEBUG) Log.d(TAG, "onSingleTapConfirmed() called with: e = [" + e + "]");
             if (playerImpl == null || playerImpl.getPlayer() == null) return false;
-            playerImpl.onPlayPause();
+            if (playerImpl.isControlsVisible()) {
+                playerImpl.hideControls(100, 100);
+            } else {
+                playerImpl.showControlsThenHide();
+
+            }
             return true;
         }
 
         @Override
         public boolean onDown(MotionEvent e) {
             if (DEBUG) Log.d(TAG, "onDown() called with: e = [" + e + "]");
-            initialPopupX = windowLayoutParams.x;
-            initialPopupY = windowLayoutParams.y;
-            popupWidth = windowLayoutParams.width;
-            popupHeight = windowLayoutParams.height;
+
+            // Fix popup position when the user touch it, it may have the wrong one
+            // because the soft input is visible (the draggable area is currently resized).
+            checkPopupPositionBounds(closeOverlayView.getWidth(), closeOverlayView.getHeight());
+
+            initialPopupX = popupLayoutParams.x;
+            initialPopupY = popupLayoutParams.y;
+            popupWidth = popupLayoutParams.width;
+            popupHeight = popupLayoutParams.height;
             return super.onDown(e);
         }
 
@@ -749,20 +952,22 @@ public final class PopupVideoPlayer extends Service {
         public void onLongPress(MotionEvent e) {
             if (DEBUG) Log.d(TAG, "onLongPress() called with: e = [" + e + "]");
             updateScreenSize();
-            checkPositionBounds();
+            checkPopupPositionBounds();
             updatePopupSize((int) screenWidth, -1);
         }
 
         @Override
-        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
-            if (isResizing || playerImpl == null) return super.onScroll(e1, e2, distanceX, distanceY);
+        public boolean onScroll(MotionEvent initialEvent, MotionEvent movingEvent, float distanceX, float distanceY) {
+            if (isResizing || playerImpl == null) return super.onScroll(initialEvent, movingEvent, distanceX, distanceY);
+
+            if (!isMoving) {
+                animateView(closeOverlayButton, true, 200);
+            }
 
-            if (playerImpl.getCurrentState() != BasePlayer.STATE_BUFFERING
-                    && (!isMoving || playerImpl.getControlsRoot().getAlpha() != 1f)) playerImpl.showControls(0);
             isMoving = true;
 
-            float diffX = (int) (e2.getRawX() - e1.getRawX()), posX = (int) (initialPopupX + diffX);
-            float diffY = (int) (e2.getRawY() - e1.getRawY()), posY = (int) (initialPopupY + diffY);
+            float diffX = (int) (movingEvent.getRawX() - initialEvent.getRawX()), posX = (int) (initialPopupX + diffX);
+            float diffY = (int) (movingEvent.getRawY() - initialEvent.getRawY()), posY = (int) (initialPopupY + diffY);
 
             if (posX > (screenWidth - popupWidth)) posX = (int) (screenWidth - popupWidth);
             else if (posX < 0) posX = 0;
@@ -770,26 +975,49 @@ public final class PopupVideoPlayer extends Service {
             if (posY > (screenHeight - popupHeight)) posY = (int) (screenHeight - popupHeight);
             else if (posY < 0) posY = 0;
 
-            windowLayoutParams.x = (int) posX;
-            windowLayoutParams.y = (int) posY;
+            popupLayoutParams.x = (int) posX;
+            popupLayoutParams.y = (int) posY;
+
+            final View closingOverlayView = playerImpl.getClosingOverlayView();
+            if (isInsideClosingRadius(movingEvent)) {
+                if (closingOverlayView.getVisibility() == View.GONE) {
+                    animateView(closingOverlayView, true, 250);
+                }
+            } else {
+                if (closingOverlayView.getVisibility() == View.VISIBLE) {
+                    animateView(closingOverlayView, false, 0);
+                }
+            }
 
             //noinspection PointlessBooleanExpression
-            if (DEBUG && false) Log.d(TAG, "PopupVideoPlayer.onScroll = " +
-                    ", e1.getRaw = [" + e1.getRawX() + ", " + e1.getRawY() + "]" +
-                    ", e2.getRaw = [" + e2.getRawX() + ", " + e2.getRawY() + "]" +
-                    ", distanceXy = [" + distanceX + ", " + distanceY + "]" +
-                    ", posXy = [" + posX + ", " + posY + "]" +
-                    ", popupWh = [" + popupWidth + " x " + popupHeight + "]");
-            windowManager.updateViewLayout(playerImpl.getRootView(), windowLayoutParams);
+            if (DEBUG && false) {
+                Log.d(TAG, "PopupVideoPlayer.onScroll = " +
+                        ", e1.getRaw = [" + initialEvent.getRawX() + ", " + initialEvent.getRawY() + "]" + ", e1.getX,Y = [" + initialEvent.getX() + ", " + initialEvent.getY() + "]" +
+                        ", e2.getRaw = [" + movingEvent.getRawX() + ", " + movingEvent.getRawY() + "]" + ", e2.getX,Y = [" + movingEvent.getX() + ", " + movingEvent.getY() + "]" +
+                        ", distanceX,Y = [" + distanceX + ", " + distanceY + "]" +
+                        ", posX,Y = [" + posX + ", " + posY + "]" +
+                        ", popupW,H = [" + popupWidth + " x " + popupHeight + "]");
+            }
+            windowManager.updateViewLayout(playerImpl.getRootView(), popupLayoutParams);
             return true;
         }
 
-        private void onScrollEnd() {
+        private void onScrollEnd(MotionEvent event) {
             if (DEBUG) Log.d(TAG, "onScrollEnd() called");
             if (playerImpl == null) return;
             if (playerImpl.isControlsVisible() && playerImpl.getCurrentState() == STATE_PLAYING) {
                 playerImpl.hideControls(DEFAULT_CONTROLS_DURATION, DEFAULT_CONTROLS_HIDE_TIME);
             }
+
+            if (isInsideClosingRadius(event)) {
+                closePopup();
+            } else {
+                animateView(playerImpl.getClosingOverlayView(), false, 0);
+
+                if (!isPopupClosing) {
+                    animateView(closeOverlayButton, false, 200);
+                }
+            }
         }
 
         @Override
@@ -799,14 +1027,11 @@ public final class PopupVideoPlayer extends Service {
 
             final float absVelocityX = Math.abs(velocityX);
             final float absVelocityY = Math.abs(velocityY);
-            if (absVelocityX > shutdownFlingVelocity) {
-                onClose();
-                return true;
-            } else if (Math.max(absVelocityX, absVelocityY) > tossFlingVelocity) {
-                if (absVelocityX > tossFlingVelocity) windowLayoutParams.x = (int) velocityX;
-                if (absVelocityY > tossFlingVelocity) windowLayoutParams.y = (int) velocityY;
-                checkPositionBounds();
-                windowManager.updateViewLayout(playerImpl.getRootView(), windowLayoutParams);
+            if (Math.max(absVelocityX, absVelocityY) > tossFlingVelocity) {
+                if (absVelocityX > tossFlingVelocity) popupLayoutParams.x = (int) velocityX;
+                if (absVelocityY > tossFlingVelocity) popupLayoutParams.y = (int) velocityY;
+                checkPopupPositionBounds();
+                windowManager.updateViewLayout(playerImpl.getRootView(), popupLayoutParams);
                 return true;
             }
             return false;
@@ -814,7 +1039,7 @@ public final class PopupVideoPlayer extends Service {
 
         @Override
         public boolean onTouch(View v, MotionEvent event) {
-            gestureDetector.onTouchEvent(event);
+            popupGestureDetector.onTouchEvent(event);
             if (playerImpl == null) return false;
             if (event.getPointerCount() == 2 && !isResizing) {
                 if (DEBUG) Log.d(TAG, "onTouch() 2 finger pointer detected, enabling resizing.");
@@ -837,7 +1062,7 @@ public final class PopupVideoPlayer extends Service {
                     Log.d(TAG, "onTouch() ACTION_UP > v = [" + v + "],  e1.getRaw = [" + event.getRawX() + ", " + event.getRawY() + "]");
                 if (isMoving) {
                     isMoving = false;
-                    onScrollEnd();
+                    onScrollEnd(event);
                 }
 
                 if (isResizing) {
@@ -845,7 +1070,10 @@ public final class PopupVideoPlayer extends Service {
                     animateView(playerImpl.getResizingIndicator(), false, 100, 0);
                     playerImpl.changeState(playerImpl.getCurrentState());
                 }
-                savePositionAndSize();
+
+                if (!isPopupClosing) {
+                    savePositionAndSize();
+                }
             }
 
             v.performClick();
@@ -861,13 +1089,13 @@ public final class PopupVideoPlayer extends Service {
             final float diff = Math.abs(firstPointerX - secondPointerX);
             if (firstPointerX > secondPointerX) {
                 // second pointer is the anchor (the leftmost pointer)
-                windowLayoutParams.x = (int) (event.getRawX() - diff);
+                popupLayoutParams.x = (int) (event.getRawX() - diff);
             } else {
                 // first pointer is the anchor
-                windowLayoutParams.x = (int) event.getRawX();
+                popupLayoutParams.x = (int) event.getRawX();
             }
 
-            checkPositionBounds();
+            checkPopupPositionBounds();
             updateScreenSize();
 
             final int width = (int) Math.min(screenWidth, diff);
@@ -875,5 +1103,29 @@ public final class PopupVideoPlayer extends Service {
 
             return true;
         }
+
+        /*//////////////////////////////////////////////////////////////////////////
+        // Utils
+        //////////////////////////////////////////////////////////////////////////*/
+
+        private int distanceFromCloseButton(MotionEvent popupMotionEvent) {
+            final int closeOverlayButtonX = closeOverlayButton.getLeft() + closeOverlayButton.getWidth() / 2;
+            final int closeOverlayButtonY = closeOverlayButton.getTop() + closeOverlayButton.getHeight() / 2;
+
+            float fingerX = popupLayoutParams.x + popupMotionEvent.getX();
+            float fingerY = popupLayoutParams.y + popupMotionEvent.getY();
+
+            return (int) Math.sqrt(Math.pow(closeOverlayButtonX - fingerX, 2) + Math.pow(closeOverlayButtonY - fingerY, 2));
+        }
+
+        private float getClosingRadius() {
+            final int buttonRadius = closeOverlayButton.getWidth() / 2;
+            // 20% wider than the button itself
+            return buttonRadius * 1.2f;
+        }
+
+        private boolean isInsideClosingRadius(MotionEvent popupMotionEvent) {
+            return distanceFromCloseButton(popupMotionEvent) <= getClosingRadius();
+        }
     }
 }

app/src/main/java/org/schabi/newpipe/player/ServicePlayerActivity.java

@@ -16,6 +16,7 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.PopupMenu;
@@ -29,17 +30,21 @@ import com.google.android.exoplayer2.Player;
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.fragments.OnScrollBelowItemsListener;
-import org.schabi.newpipe.fragments.local.dialog.PlaylistAppendDialog;
+import org.schabi.newpipe.local.dialog.PlaylistAppendDialog;
 import org.schabi.newpipe.player.event.PlayerEventListener;
 import org.schabi.newpipe.player.helper.PlaybackParameterDialog;
-import org.schabi.newpipe.playlist.PlayQueueItem;
-import org.schabi.newpipe.playlist.PlayQueueItemBuilder;
-import org.schabi.newpipe.playlist.PlayQueueItemHolder;
-import org.schabi.newpipe.playlist.PlayQueueItemTouchCallback;
+import org.schabi.newpipe.player.playqueue.PlayQueueAdapter;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItemBuilder;
+import org.schabi.newpipe.player.playqueue.PlayQueueItemHolder;
+import org.schabi.newpipe.player.playqueue.PlayQueueItemTouchCallback;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.ThemeHelper;
 
+import java.util.Collections;
+import java.util.List;
+
 import static org.schabi.newpipe.player.helper.PlayerHelper.formatPitch;
 import static org.schabi.newpipe.player.helper.PlayerHelper.formatSpeed;
 
@@ -151,7 +156,7 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
                 finish();
                 return true;
             case R.id.action_append_playlist:
-                appendToPlaylist();
+                appendAllToPlaylist();
                 return true;
             case R.id.action_settings:
                 NavigationHelper.openSettings(this);
@@ -183,17 +188,11 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
                 this.player.getRepeatMode(),
                 this.player.getPlaybackSpeed(),
                 this.player.getPlaybackPitch(),
+                this.player.getPlaybackSkipSilence(),
                 null
         ).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     }
 
-    private void appendToPlaylist() {
-        if (this.player != null && this.player.getPlayQueue() != null) {
-            PlaylistAppendDialog.fromPlayQueueItems(this.player.getPlayQueue().getStreams())
-                    .show(getSupportFragmentManager(), getTag());
-        }
-    }
-
     ////////////////////////////////////////////////////////////////////////////
     // Service Connection
     ////////////////////////////////////////////////////////////////////////////
@@ -319,7 +318,8 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
 
     private void buildItemPopupMenu(final PlayQueueItem item, final View view) {
         final PopupMenu menu = new PopupMenu(this, view);
-        final MenuItem remove = menu.getMenu().add(RECYCLER_ITEM_POPUP_MENU_GROUP_ID, 0, Menu.NONE, R.string.play_queue_remove);
+        final MenuItem remove = menu.getMenu().add(RECYCLER_ITEM_POPUP_MENU_GROUP_ID, /*pos=*/0,
+                Menu.NONE, R.string.play_queue_remove);
         remove.setOnMenuItemClickListener(menuItem -> {
             if (player == null) return false;
 
@@ -328,12 +328,27 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
             return true;
         });
 
-        final MenuItem detail = menu.getMenu().add(RECYCLER_ITEM_POPUP_MENU_GROUP_ID, 1, Menu.NONE, R.string.play_queue_stream_detail);
+        final MenuItem detail = menu.getMenu().add(RECYCLER_ITEM_POPUP_MENU_GROUP_ID, /*pos=*/1,
+                Menu.NONE, R.string.play_queue_stream_detail);
         detail.setOnMenuItemClickListener(menuItem -> {
             onOpenDetail(item.getServiceId(), item.getUrl(), item.getTitle());
             return true;
         });
 
+        final MenuItem append = menu.getMenu().add(RECYCLER_ITEM_POPUP_MENU_GROUP_ID, /*pos=*/2,
+                Menu.NONE, R.string.append_playlist);
+        append.setOnMenuItemClickListener(menuItem -> {
+            openPlaylistAppendDialog(Collections.singletonList(item));
+            return true;
+        });
+
+        final MenuItem share = menu.getMenu().add(RECYCLER_ITEM_POPUP_MENU_GROUP_ID, /*pos=*/3,
+                Menu.NONE, R.string.share);
+        share.setOnMenuItemClickListener(menuItem -> {
+            shareUrl(item.getTitle(), item.getUrl());
+            return true;
+        });
+
         menu.show();
     }
 
@@ -453,13 +468,16 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
 
     private void openPlaybackParameterDialog() {
         if (player == null) return;
-        PlaybackParameterDialog.newInstance(player.getPlaybackSpeed(),
-                player.getPlaybackPitch()).show(getSupportFragmentManager(), getTag());
+        PlaybackParameterDialog.newInstance(player.getPlaybackSpeed(), player.getPlaybackPitch(),
+                player.getPlaybackSkipSilence()).show(getSupportFragmentManager(), getTag());
     }
 
     @Override
-    public void onPlaybackParameterChanged(float playbackTempo, float playbackPitch) {
-        if (player != null) player.setPlaybackParameters(playbackTempo, playbackPitch);
+    public void onPlaybackParameterChanged(float playbackTempo, float playbackPitch,
+                                           boolean playbackSkipSilence) {
+        if (player != null) {
+            player.setPlaybackParameters(playbackTempo, playbackPitch, playbackSkipSilence);
+        }
     }
 
     ////////////////////////////////////////////////////////////////////////////
@@ -488,6 +506,33 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
         seeking = false;
     }
 
+    ////////////////////////////////////////////////////////////////////////////
+    // Playlist append
+    ////////////////////////////////////////////////////////////////////////////
+
+    private void appendAllToPlaylist() {
+        if (player != null && player.getPlayQueue() != null) {
+            openPlaylistAppendDialog(player.getPlayQueue().getStreams());
+        }
+    }
+
+    private void openPlaylistAppendDialog(final List<PlayQueueItem> playlist) {
+        PlaylistAppendDialog.fromPlayQueueItems(playlist)
+                .show(getSupportFragmentManager(), getTag());
+    }
+
+    ////////////////////////////////////////////////////////////////////////////
+    // Share
+    ////////////////////////////////////////////////////////////////////////////
+
+    private void shareUrl(String subject, String url) {
+        Intent intent = new Intent(Intent.ACTION_SEND);
+        intent.setType("text/plain");
+        intent.putExtra(Intent.EXTRA_SUBJECT, subject);
+        intent.putExtra(Intent.EXTRA_TEXT, url);
+        startActivity(Intent.createChooser(intent, getString(R.string.share_dialog_title)));
+    }
+
     ////////////////////////////////////////////////////////////////////////////
     // Binding Service Listener
     ////////////////////////////////////////////////////////////////////////////
@@ -497,6 +542,7 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
         onStateChanged(state);
         onPlayModeChanged(repeatMode, shuffled);
         onPlaybackParameterChanged(parameters);
+        onMaybePlaybackAdapterChanged();
     }
 
     @Override
@@ -517,6 +563,12 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
         if (player != null) {
             progressLiveSync.setClickable(!player.isLiveEdge());
         }
+
+        // this will make shure progressCurrentTime has the same width as progressEndTime
+        final ViewGroup.LayoutParams endTimeParams = progressEndTime.getLayoutParams();
+        final ViewGroup.LayoutParams currentTimeParams = progressCurrentTime.getLayoutParams();
+        currentTimeParams.width = progressEndTime.getWidth();
+        progressCurrentTime.setLayoutParams(currentTimeParams);
     }
 
     @Override
@@ -609,4 +661,12 @@ public abstract class ServicePlayerActivity extends AppCompatActivity
             playbackPitchButton.setText(formatPitch(parameters.pitch));
         }
     }
+
+    private void onMaybePlaybackAdapterChanged() {
+        if (itemsList == null || player == null) return;
+        final PlayQueueAdapter maybeNewAdapter = player.getPlayQueueAdapter();
+        if (maybeNewAdapter != null && itemsList.getAdapter() != maybeNewAdapter) {
+            itemsList.setAdapter(maybeNewAdapter);
+        }
+    }
 }

app/src/main/java/org/schabi/newpipe/player/VideoPlayer.java

@@ -29,10 +29,8 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.PorterDuff;
-import android.net.Uri;
 import android.os.Build;
 import android.os.Handler;
-import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.content.ContextCompat;
@@ -48,13 +46,12 @@ import android.widget.SeekBar;
 import android.widget.TextView;
 
 import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.PlaybackParameters;
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.source.MediaSource;
-import com.google.android.exoplayer2.source.MergingMediaSource;
 import com.google.android.exoplayer2.source.TrackGroup;
 import com.google.android.exoplayer2.source.TrackGroupArray;
+import com.google.android.exoplayer2.text.CaptionStyleCompat;
 import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
 import com.google.android.exoplayer2.ui.SubtitleView;
@@ -62,21 +59,17 @@ import com.google.android.exoplayer2.video.VideoListener;
 
 import org.schabi.newpipe.R;
 import org.schabi.newpipe.extractor.MediaFormat;
-import org.schabi.newpipe.extractor.Subtitles;
-import org.schabi.newpipe.extractor.stream.AudioStream;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
-import org.schabi.newpipe.extractor.stream.StreamType;
 import org.schabi.newpipe.extractor.stream.VideoStream;
 import org.schabi.newpipe.player.helper.PlayerHelper;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.resolver.MediaSourceTag;
+import org.schabi.newpipe.player.resolver.VideoPlaybackResolver;
 import org.schabi.newpipe.util.AnimationUtils;
-import org.schabi.newpipe.util.ListHelper;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static com.google.android.exoplayer2.C.SELECTION_FLAG_AUTOSELECT;
-import static com.google.android.exoplayer2.C.TIME_UNSET;
 import static org.schabi.newpipe.player.helper.PlayerHelper.formatSpeed;
 import static org.schabi.newpipe.player.helper.PlayerHelper.getTimeString;
 import static org.schabi.newpipe.util.AnimationUtils.animateView;
@@ -105,13 +98,12 @@ public abstract class VideoPlayer extends BasePlayer
     public static final int DEFAULT_CONTROLS_DURATION = 300; // 300 millis
     public static final int DEFAULT_CONTROLS_HIDE_TIME = 2000;  // 2 Seconds
 
-    private ArrayList<VideoStream> availableStreams;
+    private List<VideoStream> availableStreams;
     private int selectedStreamIndex;
 
-    protected String playbackQuality;
-
     protected boolean wasPlaying = false;
 
+    @NonNull final private VideoPlaybackResolver resolver;
     /*//////////////////////////////////////////////////////////////////////////
     // Views
     //////////////////////////////////////////////////////////////////////////*/
@@ -162,6 +154,7 @@ public abstract class VideoPlayer extends BasePlayer
     public VideoPlayer(String debugTag, Context context) {
         super(context);
         this.TAG = debugTag;
+        this.resolver = new VideoPlaybackResolver(context, dataSource, getQualityResolver());
     }
 
     public void setup(View rootView) {
@@ -189,10 +182,10 @@ public abstract class VideoPlayer extends BasePlayer
         this.qualityTextView = rootView.findViewById(R.id.qualityTextView);
 
         this.subtitleView = rootView.findViewById(R.id.subtitleView);
-        final String captionSizeKey = PreferenceManager.getDefaultSharedPreferences(context)
-                .getString(context.getString(R.string.caption_size_key),
-                        context.getString(R.string.caption_size_default));
-        setupSubtitleView(subtitleView, captionSizeKey);
+
+        final float captionScale = PlayerHelper.getCaptionScale(context);
+        final CaptionStyleCompat captionStyle = PlayerHelper.getCaptionStyle(context);
+        setupSubtitleView(subtitleView, captionScale, captionStyle);
 
         this.resizeView =  rootView.findViewById(R.id.resizeTextView);
         resizeView.setText(PlayerHelper.resizeTypeOf(context, aspectRatioFrameLayout.getResizeMode()));
@@ -214,7 +207,8 @@ public abstract class VideoPlayer extends BasePlayer
     }
 
     protected abstract void setupSubtitleView(@NonNull SubtitleView view,
-                                              @NonNull String captionSizeKey);
+                                              final float captionScale,
+                                              @NonNull final CaptionStyleCompat captionStyle);
 
     @Override
     public void initListeners() {
@@ -228,8 +222,8 @@ public abstract class VideoPlayer extends BasePlayer
     }
 
     @Override
-    public void initPlayer() {
-        super.initPlayer();
+    public void initPlayer(final boolean playOnReady) {
+        super.initPlayer(playOnReady);
 
         // Setup video view
         simpleExoPlayer.setVideoSurfaceView(surfaceView);
@@ -240,7 +234,8 @@ public abstract class VideoPlayer extends BasePlayer
 
         // Setup audio session with onboard equalizer
         if (Build.VERSION.SDK_INT >= 21) {
-            trackSelector.setTunnelingAudioSessionId(C.generateAudioSessionIdV21(context));
+            trackSelector.setParameters(trackSelector.buildUponParameters()
+                    .setTunnelingAudioSessionId(C.generateAudioSessionIdV21(context)));
         }
     }
 
@@ -296,8 +291,9 @@ public abstract class VideoPlayer extends BasePlayer
                 0, Menu.NONE, R.string.caption_none);
         captionOffItem.setOnMenuItemClickListener(menuItem -> {
             final int textRendererIndex = getRendererIndex(C.TRACK_TYPE_TEXT);
-            if (trackSelector != null && textRendererIndex != RENDERER_UNAVAILABLE) {
-                trackSelector.setRendererDisabled(textRendererIndex, true);
+            if (textRendererIndex != RENDERER_UNAVAILABLE) {
+                trackSelector.setParameters(trackSelector.buildUponParameters()
+                        .setRendererDisabled(textRendererIndex, true));
             }
             return true;
         });
@@ -309,68 +305,61 @@ public abstract class VideoPlayer extends BasePlayer
                     i + 1, Menu.NONE, captionLanguage);
             captionItem.setOnMenuItemClickListener(menuItem -> {
                 final int textRendererIndex = getRendererIndex(C.TRACK_TYPE_TEXT);
-                if (trackSelector != null && textRendererIndex != RENDERER_UNAVAILABLE) {
+                if (textRendererIndex != RENDERER_UNAVAILABLE) {
                     trackSelector.setPreferredTextLanguage(captionLanguage);
-                    trackSelector.setRendererDisabled(textRendererIndex, false);
+                    trackSelector.setParameters(trackSelector.buildUponParameters()
+                            .setRendererDisabled(textRendererIndex, false));
                 }
                 return true;
             });
         }
         captionPopupMenu.setOnDismissListener(this);
     }
-    /*//////////////////////////////////////////////////////////////////////////
-    // Playback Listener
-    //////////////////////////////////////////////////////////////////////////*/
 
-    protected abstract int getDefaultResolutionIndex(final List<VideoStream> sortedVideos);
 
-    protected abstract int getOverrideResolutionIndex(final List<VideoStream> sortedVideos, final String playbackQuality);
+    private void updateStreamRelatedViews() {
+        if (getCurrentMetadata() == null) return;
+
+        final MediaSourceTag tag = getCurrentMetadata();
+        final StreamInfo metadata = tag.getMetadata();
 
-    protected void onMetadataChanged(@NonNull final PlayQueueItem item,
-                                     @Nullable final StreamInfo info,
-                                     final int newPlayQueueIndex,
-                                     final boolean hasPlayQueueItemChanged) {
         qualityTextView.setVisibility(View.GONE);
         playbackSpeedTextView.setVisibility(View.GONE);
 
         playbackEndTime.setVisibility(View.GONE);
         playbackLiveSync.setVisibility(View.GONE);
 
-        final StreamType streamType = info == null ? StreamType.NONE : info.getStreamType();
-
-        switch (streamType) {
+        switch (metadata.getStreamType()) {
             case AUDIO_STREAM:
                 surfaceView.setVisibility(View.GONE);
+                endScreen.setVisibility(View.VISIBLE);
                 playbackEndTime.setVisibility(View.VISIBLE);
                 break;
 
             case AUDIO_LIVE_STREAM:
                 surfaceView.setVisibility(View.GONE);
+                endScreen.setVisibility(View.VISIBLE);
                 playbackLiveSync.setVisibility(View.VISIBLE);
                 break;
 
             case LIVE_STREAM:
                 surfaceView.setVisibility(View.VISIBLE);
+                endScreen.setVisibility(View.GONE);
                 playbackLiveSync.setVisibility(View.VISIBLE);
                 break;
 
             case VIDEO_STREAM:
-                if (info.getVideoStreams().size() + info.getVideoOnlyStreams().size() == 0) break;
-
-                final List<VideoStream> videos = ListHelper.getSortedStreamVideosList(context,
-                        info.getVideoStreams(), info.getVideoOnlyStreams(), false);
-                availableStreams = new ArrayList<>(videos);
-                if (playbackQuality == null) {
-                    selectedStreamIndex = getDefaultResolutionIndex(videos);
-                } else {
-                    selectedStreamIndex = getOverrideResolutionIndex(videos, getPlaybackQuality());
-                }
+                if (metadata.getVideoStreams().size() + metadata.getVideoOnlyStreams().size() == 0)
+                    break;
 
+                availableStreams = tag.getSortedAvailableVideoStreams();
+                selectedStreamIndex = tag.getSelectedVideoStreamIndex();
                 buildQualityMenu();
-                qualityTextView.setVisibility(View.VISIBLE);
 
+                qualityTextView.setVisibility(View.VISIBLE);
                 surfaceView.setVisibility(View.VISIBLE);
             default:
+                endScreen.setVisibility(View.GONE);
                 playbackEndTime.setVisibility(View.VISIBLE);
                 break;
         }
@@ -378,69 +367,21 @@ public abstract class VideoPlayer extends BasePlayer
         buildPlaybackSpeedMenu();
         playbackSpeedTextView.setVisibility(View.VISIBLE);
     }
+    /*//////////////////////////////////////////////////////////////////////////
+    // Playback Listener
+    //////////////////////////////////////////////////////////////////////////*/
+
+    protected abstract VideoPlaybackResolver.QualityResolver getQualityResolver();
+
+    protected void onMetadataChanged(@NonNull final MediaSourceTag tag) {
+        super.onMetadataChanged(tag);
+        updateStreamRelatedViews();
+    }
 
     @Override
     @Nullable
     public MediaSource sourceOf(final PlayQueueItem item, final StreamInfo info) {
-        final MediaSource liveSource = super.sourceOf(item, info);
-        if (liveSource != null) return liveSource;
-
-        List<MediaSource> mediaSources = new ArrayList<>();
-
-        // Create video stream source
-        final List<VideoStream> videos = ListHelper.getSortedStreamVideosList(context,
-                info.getVideoStreams(), info.getVideoOnlyStreams(), false);
-        final int index;
-        if (videos.isEmpty()) {
-            index = -1;
-        } else if (playbackQuality == null) {
-            index = getDefaultResolutionIndex(videos);
-        } else {
-            index = getOverrideResolutionIndex(videos, getPlaybackQuality());
-        }
-        final VideoStream video = index >= 0 && index < videos.size() ? videos.get(index) : null;
-        if (video != null) {
-            final MediaSource streamSource = buildMediaSource(video.getUrl(),
-                    PlayerHelper.cacheKeyOf(info, video),
-                    MediaFormat.getSuffixById(video.getFormatId()));
-            mediaSources.add(streamSource);
-        }
-
-        // Create optional audio stream source
-        final List<AudioStream> audioStreams = info.getAudioStreams();
-        final AudioStream audio = audioStreams.isEmpty() ? null : audioStreams.get(
-                ListHelper.getDefaultAudioFormat(context, audioStreams));
-        // Use the audio stream if there is no video stream, or
-        // Merge with audio stream in case if video does not contain audio
-        if (audio != null && ((video != null && video.isVideoOnly) || video == null)) {
-            final MediaSource audioSource = buildMediaSource(audio.getUrl(),
-                    PlayerHelper.cacheKeyOf(info, audio),
-                    MediaFormat.getSuffixById(audio.getFormatId()));
-            mediaSources.add(audioSource);
-        }
-
-        // If there is no audio or video sources, then this media source cannot be played back
-        if (mediaSources.isEmpty()) return null;
-        // Below are auxiliary media sources
-
-        // Create subtitle sources
-        for (final Subtitles subtitle : info.getSubtitles()) {
-            final String mimeType = PlayerHelper.mimeTypesOf(subtitle.getFileType());
-            if (mimeType == null) continue;
-
-            final Format textFormat = Format.createTextSampleFormat(null, mimeType,
-                    SELECTION_FLAG_AUTOSELECT, PlayerHelper.captionLanguageOf(context, subtitle));
-            final MediaSource textSource = dataSource.getSampleMediaSourceFactory()
-                    .createMediaSource(Uri.parse(subtitle.getURL()), textFormat, TIME_UNSET);
-            mediaSources.add(textSource);
-        }
-
-        if (mediaSources.size() == 1) {
-            return mediaSources.get(0);
-        } else {
-            return new MergingMediaSource(mediaSources.toArray(
-                    new MediaSource[mediaSources.size()]));
-        }
+        return resolver.resolve(info);
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -459,7 +400,6 @@ public abstract class VideoPlayer extends BasePlayer
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
             playbackSeekBar.getThumb().setColorFilter(Color.RED, PorterDuff.Mode.SRC_IN);
 
-        animateView(endScreen, false, 0);
         loadingPanel.setBackgroundColor(Color.BLACK);
         animateView(loadingPanel, true, 0);
         animateView(surfaceForeground, true, 100);
@@ -469,6 +409,8 @@ public abstract class VideoPlayer extends BasePlayer
     public void onPlaying() {
         super.onPlaying();
 
+        updateStreamRelatedViews();
+
         showAndAnimateControl(-1, true);
 
         playbackSeekBar.setEnabled(true);
@@ -479,14 +421,12 @@ public abstract class VideoPlayer extends BasePlayer
         loadingPanel.setVisibility(View.GONE);
 
         animateView(currentDisplaySeek, AnimationUtils.Type.SCALE_AND_ALPHA, false, 200);
-        animateView(endScreen, false, 0);
     }
 
     @Override
     public void onBuffering() {
         if (DEBUG) Log.d(TAG, "onBuffering() called");
         loadingPanel.setBackgroundColor(Color.TRANSPARENT);
-        animateView(loadingPanel, true, 500);
     }
 
     @Override
@@ -551,8 +491,7 @@ public abstract class VideoPlayer extends BasePlayer
         final int textRenderer = getRendererIndex(C.TRACK_TYPE_TEXT);
 
         if (captionTextView == null) return;
-        if (trackSelector == null || trackSelector.getCurrentMappedTrackInfo() == null ||
-                textRenderer == RENDERER_UNAVAILABLE) {
+        if (trackSelector.getCurrentMappedTrackInfo() == null || textRenderer == RENDERER_UNAVAILABLE) {
             captionTextView.setVisibility(View.GONE);
             return;
         }
@@ -574,8 +513,8 @@ public abstract class VideoPlayer extends BasePlayer
 
         // Build UI
         buildCaptionMenu(availableLanguages);
-        if (trackSelector.getRendererDisabled(textRenderer) || preferredLanguage == null ||
-                !availableLanguages.contains(preferredLanguage)) {
+        if (trackSelector.getParameters().getRendererDisabled(textRenderer) ||
+                preferredLanguage == null || !availableLanguages.contains(preferredLanguage)) {
             captionTextView.setText(R.string.caption_none);
         } else {
             captionTextView.setText(preferredLanguage);
@@ -886,16 +825,30 @@ public abstract class VideoPlayer extends BasePlayer
                 () -> animateView(controlsRoot, false, duration), delay);
     }
 
+    public void hideControlsAndButton(final long duration, long delay, View button) {
+        if (DEBUG) Log.d(TAG, "hideControls() called with: delay = [" + delay + "]");
+        controlsVisibilityHandler.removeCallbacksAndMessages(null);
+        controlsVisibilityHandler.postDelayed(hideControlsAndButtonHandler(duration, button), delay);
+    }
+
+    private Runnable hideControlsAndButtonHandler(long duration, View videoPlayPause)
+    {
+        return () -> {
+            videoPlayPause.setVisibility(View.INVISIBLE);
+            animateView(controlsRoot, false,duration);
+        };
+    }
     /*//////////////////////////////////////////////////////////////////////////
     // Getters and Setters
     //////////////////////////////////////////////////////////////////////////*/
 
     public void setPlaybackQuality(final String quality) {
-        this.playbackQuality = quality;
+        this.resolver.setPlaybackQuality(quality);
     }
 
+    @Nullable
     public String getPlaybackQuality() {
-        return playbackQuality;
+        return resolver.getPlaybackQuality();
     }
 
     public AspectRatioFrameLayout getAspectRatioFrameLayout() {

app/src/main/java/org/schabi/newpipe/player/helper/MediaSessionManager.java

@@ -1,13 +1,16 @@
 package org.schabi.newpipe.player.helper;
 
 import android.content.Context;
+import android.content.Intent;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v4.media.session.MediaButtonReceiver;
 import android.support.v4.media.session.MediaSessionCompat;
+import android.view.KeyEvent;
 
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector;
 
-import org.schabi.newpipe.player.mediasession.DummyPlaybackPreparer;
 import org.schabi.newpipe.player.mediasession.MediaSessionCallback;
 import org.schabi.newpipe.player.mediasession.PlayQueueNavigator;
 import org.schabi.newpipe.player.mediasession.PlayQueuePlaybackController;
@@ -15,24 +18,34 @@ import org.schabi.newpipe.player.mediasession.PlayQueuePlaybackController;
 public class MediaSessionManager {
     private static final String TAG = "MediaSessionManager";
 
-    private final MediaSessionCompat mediaSession;
-    private final MediaSessionConnector sessionConnector;
+    @NonNull private final MediaSessionCompat mediaSession;
+    @NonNull private final MediaSessionConnector sessionConnector;
 
     public MediaSessionManager(@NonNull final Context context,
                                @NonNull final Player player,
                                @NonNull final MediaSessionCallback callback) {
         this.mediaSession = new MediaSessionCompat(context, TAG);
+        this.mediaSession.setActive(true);
+
         this.sessionConnector = new MediaSessionConnector(mediaSession,
                 new PlayQueuePlaybackController(callback));
         this.sessionConnector.setQueueNavigator(new PlayQueueNavigator(mediaSession, callback));
-        this.sessionConnector.setPlayer(player, new DummyPlaybackPreparer());
+        this.sessionConnector.setPlayer(player, null);
     }
 
-    public MediaSessionCompat getMediaSession() {
-        return mediaSession;
+    @Nullable
+    @SuppressWarnings("UnusedReturnValue")
+    public KeyEvent handleMediaButtonIntent(final Intent intent) {
+        return MediaButtonReceiver.handleIntent(mediaSession, intent);
     }
 
-    public MediaSessionConnector getSessionConnector() {
-        return sessionConnector;
-    }
+    /**
+     * Should be called on player destruction to prevent leakage.
+     * */
+    public void dispose() {
+        this.sessionConnector.setPlayer(null, null);
+        this.sessionConnector.setQueueNavigator(null);
+        this.mediaSession.setActive(false);
+        this.mediaSession.release();
+	}
 }

app/src/main/java/org/schabi/newpipe/player/helper/PlaybackParameterDialog.java

@@ -21,25 +21,34 @@ import static org.schabi.newpipe.player.BasePlayer.DEBUG;
 public class PlaybackParameterDialog extends DialogFragment {
     @NonNull private static final String TAG = "PlaybackParameterDialog";
 
-    public static final double MINIMUM_PLAYBACK_VALUE = 0.25f;
+    // Minimum allowable range in ExoPlayer
+    public static final double MINIMUM_PLAYBACK_VALUE = 0.10f;
     public static final double MAXIMUM_PLAYBACK_VALUE = 3.00f;
 
     public static final char STEP_UP_SIGN = '+';
     public static final char STEP_DOWN_SIGN = '-';
-    public static final double PLAYBACK_STEP_VALUE = 0.05f;
 
-    public static final double NIGHTCORE_TEMPO = 1.20f;
-    public static final double NIGHTCORE_PITCH_LOWER = 1.15f;
-    public static final double NIGHTCORE_PITCH_UPPER = 1.25f;
+    public static final double STEP_ONE_PERCENT_VALUE = 0.01f;
+    public static final double STEP_FIVE_PERCENT_VALUE = 0.05f;
+    public static final double STEP_TEN_PERCENT_VALUE = 0.10f;
+    public static final double STEP_TWENTY_FIVE_PERCENT_VALUE = 0.25f;
+    public static final double STEP_ONE_HUNDRED_PERCENT_VALUE = 1.00f;
 
     public static final double DEFAULT_TEMPO = 1.00f;
     public static final double DEFAULT_PITCH = 1.00f;
+    public static final double DEFAULT_STEP = STEP_TWENTY_FIVE_PERCENT_VALUE;
+    public static final boolean DEFAULT_SKIP_SILENCE = false;
 
     @NonNull private static final String INITIAL_TEMPO_KEY = "initial_tempo_key";
     @NonNull private static final String INITIAL_PITCH_KEY = "initial_pitch_key";
 
+    @NonNull private static final String TEMPO_KEY = "tempo_key";
+    @NonNull private static final String PITCH_KEY = "pitch_key";
+    @NonNull private static final String STEP_SIZE_KEY = "step_size_key";
+
     public interface Callback {
-        void onPlaybackParameterChanged(final float playbackTempo, final float playbackPitch);
+        void onPlaybackParameterChanged(final float playbackTempo, final float playbackPitch,
+                                        final boolean playbackSkipSilence);
     }
 
     @Nullable private Callback callback;
@@ -50,6 +59,11 @@ public class PlaybackParameterDialog extends DialogFragment {
 
     private double initialTempo = DEFAULT_TEMPO;
     private double initialPitch = DEFAULT_PITCH;
+    private boolean initialSkipSilence = DEFAULT_SKIP_SILENCE;
+
+    private double tempo = DEFAULT_TEMPO;
+    private double pitch = DEFAULT_PITCH;
+    private double stepSize = DEFAULT_STEP;
 
     @Nullable private SeekBar tempoSlider;
     @Nullable private TextView tempoMinimumText;
@@ -65,16 +79,26 @@ public class PlaybackParameterDialog extends DialogFragment {
     @Nullable private TextView pitchStepDownText;
     @Nullable private TextView pitchStepUpText;
 
-    @Nullable private CheckBox unhookingCheckbox;
+    @Nullable private TextView stepSizeOnePercentText;
+    @Nullable private TextView stepSizeFivePercentText;
+    @Nullable private TextView stepSizeTenPercentText;
+    @Nullable private TextView stepSizeTwentyFivePercentText;
+    @Nullable private TextView stepSizeOneHundredPercentText;
 
-    @Nullable private TextView nightCorePresetText;
-    @Nullable private TextView resetPresetText;
+    @Nullable private CheckBox unhookingCheckbox;
+    @Nullable private CheckBox skipSilenceCheckbox;
 
     public static PlaybackParameterDialog newInstance(final double playbackTempo,
-                                                      final double playbackPitch) {
+                                                      final double playbackPitch,
+                                                      final boolean playbackSkipSilence) {
         PlaybackParameterDialog dialog = new PlaybackParameterDialog();
         dialog.initialTempo = playbackTempo;
         dialog.initialPitch = playbackPitch;
+
+        dialog.tempo = playbackTempo;
+        dialog.pitch = playbackPitch;
+
+        dialog.initialSkipSilence = playbackSkipSilence;
         return dialog;
     }
 
@@ -98,6 +122,10 @@ public class PlaybackParameterDialog extends DialogFragment {
         if (savedInstanceState != null) {
             initialTempo = savedInstanceState.getDouble(INITIAL_TEMPO_KEY, DEFAULT_TEMPO);
             initialPitch = savedInstanceState.getDouble(INITIAL_PITCH_KEY, DEFAULT_PITCH);
+
+            tempo = savedInstanceState.getDouble(TEMPO_KEY, DEFAULT_TEMPO);
+            pitch = savedInstanceState.getDouble(PITCH_KEY, DEFAULT_PITCH);
+            stepSize = savedInstanceState.getDouble(STEP_SIZE_KEY, DEFAULT_STEP);
         }
     }
 
@@ -106,6 +134,10 @@ public class PlaybackParameterDialog extends DialogFragment {
         super.onSaveInstanceState(outState);
         outState.putDouble(INITIAL_TEMPO_KEY, initialTempo);
         outState.putDouble(INITIAL_PITCH_KEY, initialPitch);
+
+        outState.putDouble(TEMPO_KEY, getCurrentTempo());
+        outState.putDouble(PITCH_KEY, getCurrentPitch());
+        outState.putDouble(STEP_SIZE_KEY, getCurrentStepSize());
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -123,7 +155,9 @@ public class PlaybackParameterDialog extends DialogFragment {
                 .setView(view)
                 .setCancelable(true)
                 .setNegativeButton(R.string.cancel, (dialogInterface, i) ->
-                        setPlaybackParameters(initialTempo, initialPitch))
+                        setPlaybackParameters(initialTempo, initialPitch, initialSkipSilence))
+                .setNeutralButton(R.string.playback_reset, (dialogInterface, i) ->
+                        setPlaybackParameters(DEFAULT_TEMPO, DEFAULT_PITCH, DEFAULT_SKIP_SILENCE))
                 .setPositiveButton(R.string.finish, (dialogInterface, i) ->
                         setCurrentPlaybackParameters());
 
@@ -136,9 +170,13 @@ public class PlaybackParameterDialog extends DialogFragment {
 
     private void setupControlViews(@NonNull View rootView) {
         setupHookingControl(rootView);
+        setupSkipSilenceControl(rootView);
+
         setupTempoControl(rootView);
         setupPitchControl(rootView);
-        setupPresetControl(rootView);
+
+        changeStepSize(stepSize);
+        setupStepSizeSelector(rootView);
     }
 
     private void setupTempoControl(@NonNull View rootView) {
@@ -150,31 +188,15 @@ public class PlaybackParameterDialog extends DialogFragment {
         tempoStepDownText = rootView.findViewById(R.id.tempoStepDown);
 
         if (tempoCurrentText != null)
-            tempoCurrentText.setText(PlayerHelper.formatSpeed(initialTempo));
+            tempoCurrentText.setText(PlayerHelper.formatSpeed(tempo));
         if (tempoMaximumText != null)
             tempoMaximumText.setText(PlayerHelper.formatSpeed(MAXIMUM_PLAYBACK_VALUE));
         if (tempoMinimumText != null)
             tempoMinimumText.setText(PlayerHelper.formatSpeed(MINIMUM_PLAYBACK_VALUE));
 
-        if (tempoStepUpText != null) {
-            tempoStepUpText.setText(getStepUpPercentString(PLAYBACK_STEP_VALUE));
-            tempoStepUpText.setOnClickListener(view -> {
-                onTempoSliderUpdated(getCurrentTempo() + PLAYBACK_STEP_VALUE);
-                setCurrentPlaybackParameters();
-            });
-        }
-
-        if (tempoStepDownText != null) {
-            tempoStepDownText.setText(getStepDownPercentString(PLAYBACK_STEP_VALUE));
-            tempoStepDownText.setOnClickListener(view -> {
-                onTempoSliderUpdated(getCurrentTempo() - PLAYBACK_STEP_VALUE);
-                setCurrentPlaybackParameters();
-            });
-        }
-
         if (tempoSlider != null) {
             tempoSlider.setMax(strategy.progressOf(MAXIMUM_PLAYBACK_VALUE));
-            tempoSlider.setProgress(strategy.progressOf(initialTempo));
+            tempoSlider.setProgress(strategy.progressOf(tempo));
             tempoSlider.setOnSeekBarChangeListener(getOnTempoChangedListener());
         }
     }
@@ -188,31 +210,15 @@ public class PlaybackParameterDialog extends DialogFragment {
         pitchStepUpText = rootView.findViewById(R.id.pitchStepUp);
 
         if (pitchCurrentText != null)
-            pitchCurrentText.setText(PlayerHelper.formatPitch(initialPitch));
+            pitchCurrentText.setText(PlayerHelper.formatPitch(pitch));
         if (pitchMaximumText != null)
             pitchMaximumText.setText(PlayerHelper.formatPitch(MAXIMUM_PLAYBACK_VALUE));
         if (pitchMinimumText != null)
             pitchMinimumText.setText(PlayerHelper.formatPitch(MINIMUM_PLAYBACK_VALUE));
 
-        if (pitchStepUpText != null) {
-            pitchStepUpText.setText(getStepUpPercentString(PLAYBACK_STEP_VALUE));
-            pitchStepUpText.setOnClickListener(view -> {
-                onPitchSliderUpdated(getCurrentPitch() + PLAYBACK_STEP_VALUE);
-                setCurrentPlaybackParameters();
-            });
-        }
-
-        if (pitchStepDownText != null) {
-            pitchStepDownText.setText(getStepDownPercentString(PLAYBACK_STEP_VALUE));
-            pitchStepDownText.setOnClickListener(view -> {
-                onPitchSliderUpdated(getCurrentPitch() - PLAYBACK_STEP_VALUE);
-                setCurrentPlaybackParameters();
-            });
-        }
-
         if (pitchSlider != null) {
             pitchSlider.setMax(strategy.progressOf(MAXIMUM_PLAYBACK_VALUE));
-            pitchSlider.setProgress(strategy.progressOf(initialPitch));
+            pitchSlider.setProgress(strategy.progressOf(pitch));
             pitchSlider.setOnSeekBarChangeListener(getOnPitchChangedListener());
         }
     }
@@ -220,7 +226,7 @@ public class PlaybackParameterDialog extends DialogFragment {
     private void setupHookingControl(@NonNull View rootView) {
         unhookingCheckbox = rootView.findViewById(R.id.unhookCheckbox);
         if (unhookingCheckbox != null) {
-            unhookingCheckbox.setChecked(initialPitch != initialTempo);
+            unhookingCheckbox.setChecked(pitch != tempo);
             unhookingCheckbox.setOnCheckedChangeListener((compoundButton, isChecked) -> {
                 if (isChecked) return;
                 // When unchecked, slide back to the minimum of current tempo or pitch
@@ -231,24 +237,84 @@ public class PlaybackParameterDialog extends DialogFragment {
         }
     }
 
-    private void setupPresetControl(@NonNull View rootView) {
-        nightCorePresetText = rootView.findViewById(R.id.presetNightcore);
-        if (nightCorePresetText != null) {
-            nightCorePresetText.setOnClickListener(view -> {
-                final double randomPitch = NIGHTCORE_PITCH_LOWER +
-                        Math.random() * (NIGHTCORE_PITCH_UPPER - NIGHTCORE_PITCH_LOWER);
+    private void setupSkipSilenceControl(@NonNull View rootView) {
+        skipSilenceCheckbox = rootView.findViewById(R.id.skipSilenceCheckbox);
+        if (skipSilenceCheckbox != null) {
+            skipSilenceCheckbox.setChecked(initialSkipSilence);
+            skipSilenceCheckbox.setOnCheckedChangeListener((compoundButton, isChecked) ->
+                    setCurrentPlaybackParameters());
+        }
+    }
 
-                setTempoSlider(NIGHTCORE_TEMPO);
-                setPitchSlider(randomPitch);
+    private void setupStepSizeSelector(@NonNull final View rootView) {
+        stepSizeOnePercentText = rootView.findViewById(R.id.stepSizeOnePercent);
+        stepSizeFivePercentText = rootView.findViewById(R.id.stepSizeFivePercent);
+        stepSizeTenPercentText = rootView.findViewById(R.id.stepSizeTenPercent);
+        stepSizeTwentyFivePercentText = rootView.findViewById(R.id.stepSizeTwentyFivePercent);
+        stepSizeOneHundredPercentText = rootView.findViewById(R.id.stepSizeOneHundredPercent);
+
+        if (stepSizeOnePercentText != null) {
+            stepSizeOnePercentText.setText(getPercentString(STEP_ONE_PERCENT_VALUE));
+            stepSizeOnePercentText.setOnClickListener(view ->
+                    changeStepSize(STEP_ONE_PERCENT_VALUE));
+        }
+
+        if (stepSizeFivePercentText != null) {
+            stepSizeFivePercentText.setText(getPercentString(STEP_FIVE_PERCENT_VALUE));
+            stepSizeFivePercentText.setOnClickListener(view ->
+                    changeStepSize(STEP_FIVE_PERCENT_VALUE));
+        }
+
+        if (stepSizeTenPercentText != null) {
+            stepSizeTenPercentText.setText(getPercentString(STEP_TEN_PERCENT_VALUE));
+            stepSizeTenPercentText.setOnClickListener(view ->
+                    changeStepSize(STEP_TEN_PERCENT_VALUE));
+        }
+
+        if (stepSizeTwentyFivePercentText != null) {
+            stepSizeTwentyFivePercentText.setText(getPercentString(STEP_TWENTY_FIVE_PERCENT_VALUE));
+            stepSizeTwentyFivePercentText.setOnClickListener(view ->
+                    changeStepSize(STEP_TWENTY_FIVE_PERCENT_VALUE));
+        }
+
+        if (stepSizeOneHundredPercentText != null) {
+            stepSizeOneHundredPercentText.setText(getPercentString(STEP_ONE_HUNDRED_PERCENT_VALUE));
+            stepSizeOneHundredPercentText.setOnClickListener(view ->
+                    changeStepSize(STEP_ONE_HUNDRED_PERCENT_VALUE));
+        }
+    }
+
+    private void changeStepSize(final double stepSize) {
+        this.stepSize = stepSize;
+
+        if (tempoStepUpText != null) {
+            tempoStepUpText.setText(getStepUpPercentString(stepSize));
+            tempoStepUpText.setOnClickListener(view -> {
+                onTempoSliderUpdated(getCurrentTempo() + stepSize);
                 setCurrentPlaybackParameters();
             });
         }
 
-        resetPresetText = rootView.findViewById(R.id.presetReset);
-        if (resetPresetText != null) {
-            resetPresetText.setOnClickListener(view -> {
-                setTempoSlider(DEFAULT_TEMPO);
-                setPitchSlider(DEFAULT_PITCH);
+        if (tempoStepDownText != null) {
+            tempoStepDownText.setText(getStepDownPercentString(stepSize));
+            tempoStepDownText.setOnClickListener(view -> {
+                onTempoSliderUpdated(getCurrentTempo() - stepSize);
+                setCurrentPlaybackParameters();
+            });
+        }
+
+        if (pitchStepUpText != null) {
+            pitchStepUpText.setText(getStepUpPercentString(stepSize));
+            pitchStepUpText.setOnClickListener(view -> {
+                onPitchSliderUpdated(getCurrentPitch() + stepSize);
+                setCurrentPlaybackParameters();
+            });
+        }
+
+        if (pitchStepDownText != null) {
+            pitchStepDownText.setText(getStepDownPercentString(stepSize));
+            pitchStepDownText.setOnClickListener(view -> {
+                onPitchSliderUpdated(getCurrentPitch() - stepSize);
                 setCurrentPlaybackParameters();
             });
         }
@@ -342,10 +408,11 @@ public class PlaybackParameterDialog extends DialogFragment {
     //////////////////////////////////////////////////////////////////////////*/
 
     private void setCurrentPlaybackParameters() {
-        setPlaybackParameters(getCurrentTempo(), getCurrentPitch());
+        setPlaybackParameters(getCurrentTempo(), getCurrentPitch(), getCurrentSkipSilence());
     }
 
-    private void setPlaybackParameters(final double tempo, final double pitch) {
+    private void setPlaybackParameters(final double tempo, final double pitch,
+                                       final boolean skipSilence) {
         if (callback != null && tempoCurrentText != null && pitchCurrentText != null) {
             if (DEBUG) Log.d(TAG, "Setting playback parameters to " +
                     "tempo=[" + tempo + "], " +
@@ -353,27 +420,40 @@ public class PlaybackParameterDialog extends DialogFragment {
 
             tempoCurrentText.setText(PlayerHelper.formatSpeed(tempo));
             pitchCurrentText.setText(PlayerHelper.formatPitch(pitch));
-            callback.onPlaybackParameterChanged((float) tempo, (float) pitch);
+            callback.onPlaybackParameterChanged((float) tempo, (float) pitch, skipSilence);
         }
     }
 
     private double getCurrentTempo() {
-        return tempoSlider == null ? initialTempo : strategy.valueOf(
+        return tempoSlider == null ? tempo : strategy.valueOf(
                 tempoSlider.getProgress());
     }
 
     private double getCurrentPitch() {
-        return pitchSlider == null ? initialPitch : strategy.valueOf(
+        return pitchSlider == null ? pitch : strategy.valueOf(
                 pitchSlider.getProgress());
     }
 
+    private double getCurrentStepSize() {
+        return stepSize;
+    }
+
+    private boolean getCurrentSkipSilence() {
+        return skipSilenceCheckbox != null && skipSilenceCheckbox.isChecked();
+    }
+
     @NonNull
     private static String getStepUpPercentString(final double percent) {
-        return STEP_UP_SIGN + PlayerHelper.formatPitch(percent);
+        return STEP_UP_SIGN + getPercentString(percent);
     }
 
     @NonNull
     private static String getStepDownPercentString(final double percent) {
-        return STEP_DOWN_SIGN + PlayerHelper.formatPitch(percent);
+        return STEP_DOWN_SIGN + getPercentString(percent);
+    }
+
+    @NonNull
+    private static String getPercentString(final double percent) {
+        return PlayerHelper.formatPitch(percent);
     }
 }

app/src/main/java/org/schabi/newpipe/player/helper/PlayerHelper.java

@@ -2,12 +2,19 @@ package org.schabi.newpipe.player.helper;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.os.Build;
 import android.preference.PreferenceManager;
+import android.support.annotation.IntDef;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.view.accessibility.CaptioningManager;
 
 import com.google.android.exoplayer2.SeekParameters;
+import com.google.android.exoplayer2.text.CaptionStyleCompat;
+import com.google.android.exoplayer2.trackselection.AdaptiveTrackSelection;
+import com.google.android.exoplayer2.trackselection.TrackSelection;
 import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
+import com.google.android.exoplayer2.upstream.BandwidthMeter;
 import com.google.android.exoplayer2.util.MimeTypes;
 
 import org.schabi.newpipe.R;
@@ -18,10 +25,11 @@ import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 import org.schabi.newpipe.extractor.stream.SubtitlesFormat;
 import org.schabi.newpipe.extractor.stream.VideoStream;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.PlayQueueItem;
-import org.schabi.newpipe.playlist.SinglePlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 
+import java.lang.annotation.Retention;
 import java.text.DecimalFormat;
 import java.text.NumberFormat;
 import java.util.ArrayList;
@@ -31,10 +39,13 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 
 import static com.google.android.exoplayer2.ui.AspectRatioFrameLayout.RESIZE_MODE_FILL;
 import static com.google.android.exoplayer2.ui.AspectRatioFrameLayout.RESIZE_MODE_FIT;
 import static com.google.android.exoplayer2.ui.AspectRatioFrameLayout.RESIZE_MODE_ZOOM;
+import static java.lang.annotation.RetentionPolicy.SOURCE;
+import static org.schabi.newpipe.player.helper.PlayerHelper.MinimizeMode.*;
 
 public class PlayerHelper {
     private PlayerHelper() {}
@@ -44,6 +55,14 @@ public class PlayerHelper {
     private static final NumberFormat speedFormatter = new DecimalFormat("0.##x");
     private static final NumberFormat pitchFormatter = new DecimalFormat("##%");
 
+    @Retention(SOURCE)
+    @IntDef({MINIMIZE_ON_EXIT_MODE_NONE, MINIMIZE_ON_EXIT_MODE_BACKGROUND,
+            MINIMIZE_ON_EXIT_MODE_POPUP})
+    public @interface MinimizeMode {
+        int MINIMIZE_ON_EXIT_MODE_NONE = 0;
+        int MINIMIZE_ON_EXIT_MODE_BACKGROUND = 1;
+        int MINIMIZE_ON_EXIT_MODE_POPUP = 2;
+    }
     ////////////////////////////////////////////////////////////////////////////
     // Exposed helpers
     ////////////////////////////////////////////////////////////////////////////
@@ -166,6 +185,22 @@ public class PlayerHelper {
         return isAutoQueueEnabled(context, false);
     }
 
+    @MinimizeMode
+    public static int getMinimizeOnExitAction(@NonNull final Context context) {
+        final String defaultAction = context.getString(R.string.minimize_on_exit_none_key);
+        final String popupAction = context.getString(R.string.minimize_on_exit_popup_key);
+        final String backgroundAction = context.getString(R.string.minimize_on_exit_background_key);
+
+        final String action = getMinimizeOnExitAction(context, defaultAction);
+        if (action.equals(popupAction)) {
+            return MINIMIZE_ON_EXIT_MODE_POPUP;
+        } else if (action.equals(backgroundAction)) {
+            return MINIMIZE_ON_EXIT_MODE_BACKGROUND;
+        } else {
+            return MINIMIZE_ON_EXIT_MODE_NONE;
+        }
+    }
+
     @NonNull
     public static SeekParameters getSeekParameters(@NonNull final Context context) {
         return isUsingInexactSeek(context, false) ?
@@ -203,18 +238,61 @@ public class PlayerHelper {
         return 60000;
     }
 
+    public static TrackSelection.Factory getQualitySelector(@NonNull final Context context,
+                                                            @NonNull final BandwidthMeter meter) {
+        return new AdaptiveTrackSelection.Factory(meter,
+                /*bufferDurationRequiredForQualityIncrease=*/1000,
+                AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
+                AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
+                AdaptiveTrackSelection.DEFAULT_BANDWIDTH_FRACTION);
+    }
+
     public static boolean isUsingDSP(@NonNull final Context context) {
         return true;
     }
 
-    public static int getShutdownFlingVelocity(@NonNull final Context context) {
-        return 10000;
-    }
-
     public static int getTossFlingVelocity(@NonNull final Context context) {
         return 2500;
     }
 
+    @NonNull
+    public static CaptionStyleCompat getCaptionStyle(@NonNull final Context context) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return CaptionStyleCompat.DEFAULT;
+
+        final CaptioningManager captioningManager = (CaptioningManager)
+                context.getSystemService(Context.CAPTIONING_SERVICE);
+        if (captioningManager == null || !captioningManager.isEnabled()) {
+            return CaptionStyleCompat.DEFAULT;
+        }
+
+        return CaptionStyleCompat.createFromCaptionStyle(captioningManager.getUserStyle());
+    }
+
+    /**
+     * System font scaling:
+     * Very small - 0.25f, Small - 0.5f, Normal - 1.0f, Large - 1.5f, Very Large - 2.0f
+     * */
+    public static float getCaptionScale(@NonNull final Context context) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return 1f;
+
+        final CaptioningManager captioningManager = (CaptioningManager)
+                context.getSystemService(Context.CAPTIONING_SERVICE);
+        if (captioningManager == null || !captioningManager.isEnabled()) {
+            return 1f;
+        }
+
+        return captioningManager.getFontScale();
+    }
+
+    public static float getScreenBrightness(@NonNull final Context context) {
+        //a value of less than 0, the default, means to use the preferred screen brightness
+        return getScreenBrightness(context, -1);
+    }
+
+    public static void setScreenBrightness(@NonNull final Context context, final float setScreenBrightness) {
+        setScreenBrightness(context, setScreenBrightness, System.currentTimeMillis());
+    }
+
     ////////////////////////////////////////////////////////////////////////////
     // Private helpers
     ////////////////////////////////////////////////////////////////////////////
@@ -247,4 +325,29 @@ public class PlayerHelper {
     private static boolean isAutoQueueEnabled(@NonNull final Context context, final boolean b) {
         return getPreferences(context).getBoolean(context.getString(R.string.auto_queue_key), b);
     }
+
+    private static void setScreenBrightness(@NonNull final Context context, final float screenBrightness, final long timestamp) {
+        SharedPreferences.Editor editor = getPreferences(context).edit();
+        editor.putFloat(context.getString(R.string.screen_brightness_key), screenBrightness);
+        editor.putLong(context.getString(R.string.screen_brightness_timestamp_key), timestamp);
+        editor.apply();
+    }
+
+    private static float getScreenBrightness(@NonNull final Context context, final float screenBrightness) {
+        SharedPreferences sp = getPreferences(context);
+        long timestamp = sp.getLong(context.getString(R.string.screen_brightness_timestamp_key), 0);
+        // hypothesis: 4h covers a viewing block, eg evening. External lightning conditions will change in the next
+        // viewing block so we fall back to the default brightness
+        if ((System.currentTimeMillis() - timestamp) > TimeUnit.HOURS.toMillis(4)) {
+            return screenBrightness;
+        } else {
+            return sp.getFloat(context.getString(R.string.screen_brightness_key), screenBrightness);
+        }
+    }
+
+    private static String getMinimizeOnExitAction(@NonNull final Context context,
+                                                  final String key) {
+        return getPreferences(context).getString(context.getString(R.string.minimize_on_exit_key),
+                key);
+    }
 }

app/src/main/java/org/schabi/newpipe/player/mediasession/DummyPlaybackPreparer.java

@@ -1,45 +0,0 @@
-package org.schabi.newpipe.player.mediasession;
-
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.ResultReceiver;
-
-import com.google.android.exoplayer2.Player;
-import com.google.android.exoplayer2.ext.mediasession.MediaSessionConnector;
-
-public class DummyPlaybackPreparer implements MediaSessionConnector.PlaybackPreparer {
-    @Override
-    public long getSupportedPrepareActions() {
-        return 0;
-    }
-
-    @Override
-    public void onPrepare() {
-
-    }
-
-    @Override
-    public void onPrepareFromMediaId(String mediaId, Bundle extras) {
-
-    }
-
-    @Override
-    public void onPrepareFromSearch(String query, Bundle extras) {
-
-    }
-
-    @Override
-    public void onPrepareFromUri(Uri uri, Bundle extras) {
-
-    }
-
-    @Override
-    public String[] getCommands() {
-        return new String[0];
-    }
-
-    @Override
-    public void onCommand(Player player, String command, Bundle extras, ResultReceiver cb) {
-
-    }
-}

app/src/main/java/org/schabi/newpipe/player/mediasession/MediaSessionCallback.java

@@ -13,5 +13,4 @@ public interface MediaSessionCallback {
 
     void onPlay();
     void onPause();
-    void onSetShuffle(final boolean isShuffled);
 }

app/src/main/java/org/schabi/newpipe/player/mediasession/PlayQueuePlaybackController.java

@@ -1,7 +1,5 @@
 package org.schabi.newpipe.player.mediasession;
 
-import android.support.v4.media.session.PlaybackStateCompat;
-
 import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.ext.mediasession.DefaultPlaybackController;
 
@@ -22,10 +20,4 @@ public class PlayQueuePlaybackController extends DefaultPlaybackController {
     public void onPause(Player player) {
         callback.onPause();
     }
-
-    @Override
-    public void onSetShuffleMode(Player player, int shuffleMode) {
-        callback.onSetShuffle(shuffleMode == PlaybackStateCompat.SHUFFLE_MODE_ALL
-                || shuffleMode == PlaybackStateCompat.SHUFFLE_MODE_GROUP);
-    }
 }

app/src/main/java/org/schabi/newpipe/player/mediasource/FailedMediaSource.java

@@ -4,23 +4,46 @@ import android.support.annotation.NonNull;
 import android.util.Log;
 
 import com.google.android.exoplayer2.ExoPlayer;
+import com.google.android.exoplayer2.source.BaseMediaSource;
 import com.google.android.exoplayer2.source.MediaPeriod;
 import com.google.android.exoplayer2.upstream.Allocator;
 
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 
 import java.io.IOException;
 
-public class FailedMediaSource implements ManagedMediaSource {
+public class FailedMediaSource extends BaseMediaSource implements ManagedMediaSource {
     private final String TAG = "FailedMediaSource@" + Integer.toHexString(hashCode());
 
+    public static class FailedMediaSourceException extends Exception {
+        FailedMediaSourceException(String message) {
+            super(message);
+        }
+
+        FailedMediaSourceException(Throwable cause) {
+            super(cause);
+        }
+    }
+
+    public static final class MediaSourceResolutionException extends FailedMediaSourceException {
+        public MediaSourceResolutionException(String message) {
+            super(message);
+        }
+    }
+
+    public static final class StreamInfoLoadException extends FailedMediaSourceException {
+        public StreamInfoLoadException(Throwable cause) {
+            super(cause);
+        }
+    }
+
     private final PlayQueueItem playQueueItem;
-    private final Throwable error;
+    private final FailedMediaSourceException error;
 
     private final long retryTimestamp;
 
     public FailedMediaSource(@NonNull final PlayQueueItem playQueueItem,
-                             @NonNull final Throwable error,
+                             @NonNull final FailedMediaSourceException error,
                              final long retryTimestamp) {
         this.playQueueItem = playQueueItem;
         this.error = error;
@@ -32,7 +55,7 @@ public class FailedMediaSource implements ManagedMediaSource {
      * The error will always be propagated to ExoPlayer.
      * */
     public FailedMediaSource(@NonNull final PlayQueueItem playQueueItem,
-                             @NonNull final Throwable error) {
+                             @NonNull final FailedMediaSourceException error) {
         this.playQueueItem = playQueueItem;
         this.error = error;
         this.retryTimestamp = Long.MAX_VALUE;
@@ -42,7 +65,7 @@ public class FailedMediaSource implements ManagedMediaSource {
         return playQueueItem;
     }
 
-    public Throwable getError() {
+    public FailedMediaSourceException getError() {
         return error;
     }
 
@@ -50,11 +73,6 @@ public class FailedMediaSource implements ManagedMediaSource {
         return System.currentTimeMillis() >= retryTimestamp;
     }
 
-    @Override
-    public void prepareSource(ExoPlayer player, boolean isTopLevelSource, Listener listener) {
-        Log.e(TAG, "Loading failed source: ", error);
-    }
-
     @Override
     public void maybeThrowSourceInfoRefreshError() throws IOException {
         throw new IOException(error);
@@ -68,8 +86,14 @@ public class FailedMediaSource implements ManagedMediaSource {
     @Override
     public void releasePeriod(MediaPeriod mediaPeriod) {}
 
+
     @Override
-    public void releaseSource() {}
+    protected void prepareSourceInternal(ExoPlayer player, boolean isTopLevelSource) {
+        Log.e(TAG, "Loading failed source: ", error);
+    }
+
+    @Override
+    protected void releaseSourceInternal() {}
 
     @Override
     public boolean shouldBeReplacedWith(@NonNull final PlayQueueItem newIdentity,

app/src/main/java/org/schabi/newpipe/player/mediasource/LoadedMediaSource.java

@@ -1,13 +1,15 @@
 package org.schabi.newpipe.player.mediasource;
 
+import android.os.Handler;
 import android.support.annotation.NonNull;
 
 import com.google.android.exoplayer2.ExoPlayer;
 import com.google.android.exoplayer2.source.MediaPeriod;
 import com.google.android.exoplayer2.source.MediaSource;
+import com.google.android.exoplayer2.source.MediaSourceEventListener;
 import com.google.android.exoplayer2.upstream.Allocator;
 
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 
 import java.io.IOException;
 
@@ -34,7 +36,8 @@ public class LoadedMediaSource implements ManagedMediaSource {
     }
 
     @Override
-    public void prepareSource(ExoPlayer player, boolean isTopLevelSource, Listener listener) {
+    public void prepareSource(ExoPlayer player, boolean isTopLevelSource,
+                              SourceInfoRefreshListener listener) {
         source.prepareSource(player, isTopLevelSource, listener);
     }
 
@@ -54,8 +57,18 @@ public class LoadedMediaSource implements ManagedMediaSource {
     }
 
     @Override
-    public void releaseSource() {
-        source.releaseSource();
+    public void releaseSource(SourceInfoRefreshListener listener) {
+        source.releaseSource(listener);
+    }
+
+    @Override
+    public void addEventListener(Handler handler, MediaSourceEventListener eventListener) {
+        source.addEventListener(handler, eventListener);
+    }
+
+    @Override
+    public void removeEventListener(MediaSourceEventListener eventListener) {
+        source.removeEventListener(eventListener);
     }
 
     @Override

app/src/main/java/org/schabi/newpipe/player/mediasource/ManagedMediaSource.java

@@ -4,7 +4,7 @@ import android.support.annotation.NonNull;
 
 import com.google.android.exoplayer2.source.MediaSource;
 
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 
 public interface ManagedMediaSource extends MediaSource {
     /**

app/src/main/java/org/schabi/newpipe/player/mediasource/ManagedMediaSourcePlaylist.java

@@ -0,0 +1,131 @@
+package org.schabi.newpipe.player.mediasource;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import com.google.android.exoplayer2.source.ConcatenatingMediaSource;
+import com.google.android.exoplayer2.source.ShuffleOrder;
+
+public class ManagedMediaSourcePlaylist {
+    @NonNull private final ConcatenatingMediaSource internalSource;
+
+    public ManagedMediaSourcePlaylist() {
+        internalSource = new ConcatenatingMediaSource(/*isPlaylistAtomic=*/false,
+                new ShuffleOrder.UnshuffledShuffleOrder(0));
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // MediaSource Delegations
+    //////////////////////////////////////////////////////////////////////////*/
+
+    public int size() {
+        return internalSource.getSize();
+    }
+
+    /**
+     * Returns the {@link ManagedMediaSource} at the given index of the playlist.
+     * If the index is invalid, then null is returned.
+     * */
+    @Nullable
+    public ManagedMediaSource get(final int index) {
+        return (index < 0 || index >= size()) ?
+                null : (ManagedMediaSource) internalSource.getMediaSource(index);
+    }
+
+    @NonNull
+    public ConcatenatingMediaSource getParentMediaSource() {
+        return internalSource;
+    }
+
+    /*//////////////////////////////////////////////////////////////////////////
+    // Playlist Manipulation
+    //////////////////////////////////////////////////////////////////////////*/
+
+    /**
+     * Expands the {@link ConcatenatingMediaSource} by appending it with a
+     * {@link PlaceholderMediaSource}.
+     *
+     * @see #append(ManagedMediaSource)
+     * */
+    public synchronized void expand() {
+        append(new PlaceholderMediaSource());
+    }
+
+    /**
+     * Appends a {@link ManagedMediaSource} to the end of {@link ConcatenatingMediaSource}.
+     * @see ConcatenatingMediaSource#addMediaSource
+     * */
+    public synchronized void append(@NonNull final ManagedMediaSource source) {
+        internalSource.addMediaSource(source);
+    }
+
+    /**
+     * Removes a {@link ManagedMediaSource} from {@link ConcatenatingMediaSource}
+     * at the given index. If this index is out of bound, then the removal is ignored.
+     * @see ConcatenatingMediaSource#removeMediaSource(int)
+     * */
+    public synchronized void remove(final int index) {
+        if (index < 0 || index > internalSource.getSize()) return;
+
+        internalSource.removeMediaSource(index);
+    }
+
+    /**
+     * Moves a {@link ManagedMediaSource} in {@link ConcatenatingMediaSource}
+     * from the given source index to the target index. If either index is out of bound,
+     * then the call is ignored.
+     * @see ConcatenatingMediaSource#moveMediaSource(int, int)
+     * */
+    public synchronized void move(final int source, final int target) {
+        if (source < 0 || target < 0) return;
+        if (source >= internalSource.getSize() || target >= internalSource.getSize()) return;
+
+        internalSource.moveMediaSource(source, target);
+    }
+
+    /**
+     * Invalidates the {@link ManagedMediaSource} at the given index by replacing it
+     * with a {@link PlaceholderMediaSource}.
+     * @see #update(int, ManagedMediaSource, Runnable)
+     * */
+    public synchronized void invalidate(final int index,
+                                        @Nullable final Runnable finalizingAction) {
+        if (get(index) instanceof PlaceholderMediaSource) return;
+        update(index, new PlaceholderMediaSource(), finalizingAction);
+    }
+
+    /**
+     * Updates the {@link ManagedMediaSource} in {@link ConcatenatingMediaSource}
+     * at the given index with a given {@link ManagedMediaSource}.
+     * @see #update(int, ManagedMediaSource, Runnable)
+     * */
+    public synchronized void update(final int index, @NonNull final ManagedMediaSource source) {
+        update(index, source, /*doNothing=*/null);
+    }
+
+    /**
+     * Updates the {@link ManagedMediaSource} in {@link ConcatenatingMediaSource}
+     * at the given index with a given {@link ManagedMediaSource}. If the index is out of bound,
+     * then the replacement is ignored.
+     * @see ConcatenatingMediaSource#addMediaSource
+     * @see ConcatenatingMediaSource#removeMediaSource(int, Runnable)
+     * */
+    public synchronized void update(final int index, @NonNull final ManagedMediaSource source,
+                                    @Nullable final Runnable finalizingAction) {
+        if (index < 0 || index >= internalSource.getSize()) return;
+
+        // Add and remove are sequential on the same thread, therefore here, the exoplayer
+        // message queue must receive and process add before remove, effectively treating them
+        // as atomic.
+
+        // Since the finalizing action occurs strictly after the timeline has completed
+        // all its changes on the playback thread, thus, it is possible, in the meantime,
+        // other calls that modifies the playlist media source occur in between. This makes
+        // it unsafe to call remove as the finalizing action of add.
+        internalSource.addMediaSource(index + 1, source);
+
+        // Because of the above race condition, it is thus only safe to synchronize the player
+        // in the finalizing action AFTER the removal is complete and the timeline has changed.
+        internalSource.removeMediaSource(index, finalizingAction);
+    }
+}

app/src/main/java/org/schabi/newpipe/player/mediasource/PlaceholderMediaSource.java

@@ -3,20 +3,19 @@ package org.schabi.newpipe.player.mediasource;
 import android.support.annotation.NonNull;
 
 import com.google.android.exoplayer2.ExoPlayer;
+import com.google.android.exoplayer2.source.BaseMediaSource;
 import com.google.android.exoplayer2.source.MediaPeriod;
 import com.google.android.exoplayer2.upstream.Allocator;
 
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 
-import java.io.IOException;
-
-public class PlaceholderMediaSource implements ManagedMediaSource {
+public class PlaceholderMediaSource extends BaseMediaSource implements ManagedMediaSource {
     // Do nothing, so this will stall the playback
-    @Override public void prepareSource(ExoPlayer player, boolean isTopLevelSource, Listener listener) {}
-    @Override public void maybeThrowSourceInfoRefreshError() throws IOException {}
+    @Override public void maybeThrowSourceInfoRefreshError() {}
     @Override public MediaPeriod createPeriod(MediaPeriodId id, Allocator allocator) { return null; }
     @Override public void releasePeriod(MediaPeriod mediaPeriod) {}
-    @Override public void releaseSource() {}
+    @Override protected void prepareSourceInternal(ExoPlayer player, boolean isTopLevelSource) {}
+    @Override protected void releaseSourceInternal() {}
 
     @Override
     public boolean shouldBeReplacedWith(@NonNull PlayQueueItem newIdentity,

app/src/main/java/org/schabi/newpipe/player/playback/BasePlayerMediaSession.java

@@ -5,7 +5,7 @@ import android.support.v4.media.MediaDescriptionCompat;
 
 import org.schabi.newpipe.player.BasePlayer;
 import org.schabi.newpipe.player.mediasession.MediaSessionCallback;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 
 public class BasePlayerMediaSession implements MediaSessionCallback {
     private BasePlayer player;
@@ -69,9 +69,4 @@ public class BasePlayerMediaSession implements MediaSessionCallback {
     public void onPause() {
         player.onPause();
     }
-
-    @Override
-    public void onSetShuffle(boolean isShuffled) {
-        player.onShuffleModeEnabledChanged(isShuffled);
-    }
 }

app/src/main/java/org/schabi/newpipe/player/playback/MediaSourceManager.java

@@ -2,29 +2,28 @@ package org.schabi.newpipe.player.playback;
 
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.util.ArraySet;
 import android.util.Log;
 
-import com.google.android.exoplayer2.source.DynamicConcatenatingMediaSource;
 import com.google.android.exoplayer2.source.MediaSource;
-import com.google.android.exoplayer2.source.ShuffleOrder;
 
 import org.reactivestreams.Subscriber;
 import org.reactivestreams.Subscription;
-import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.player.mediasource.FailedMediaSource;
 import org.schabi.newpipe.player.mediasource.LoadedMediaSource;
 import org.schabi.newpipe.player.mediasource.ManagedMediaSource;
+import org.schabi.newpipe.player.mediasource.ManagedMediaSourcePlaylist;
 import org.schabi.newpipe.player.mediasource.PlaceholderMediaSource;
-import org.schabi.newpipe.playlist.PlayQueue;
-import org.schabi.newpipe.playlist.PlayQueueItem;
-import org.schabi.newpipe.playlist.events.MoveEvent;
-import org.schabi.newpipe.playlist.events.PlayQueueEvent;
-import org.schabi.newpipe.playlist.events.RemoveEvent;
-import org.schabi.newpipe.playlist.events.ReorderEvent;
+import org.schabi.newpipe.player.playqueue.PlayQueue;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.events.MoveEvent;
+import org.schabi.newpipe.player.playqueue.events.PlayQueueEvent;
+import org.schabi.newpipe.player.playqueue.events.RemoveEvent;
+import org.schabi.newpipe.player.playqueue.events.ReorderEvent;
 import org.schabi.newpipe.util.ServiceHelper;
 
+import java.util.Collection;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -34,12 +33,13 @@ import io.reactivex.Single;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
-import io.reactivex.disposables.SerialDisposable;
-import io.reactivex.functions.Consumer;
 import io.reactivex.internal.subscriptions.EmptySubscription;
+import io.reactivex.schedulers.Schedulers;
 import io.reactivex.subjects.PublishSubject;
 
-import static org.schabi.newpipe.playlist.PlayQueue.DEBUG;
+import static org.schabi.newpipe.player.mediasource.FailedMediaSource.MediaSourceResolutionException;
+import static org.schabi.newpipe.player.mediasource.FailedMediaSource.StreamInfoLoadException;
+import static org.schabi.newpipe.player.playqueue.PlayQueue.DEBUG;
 
 public class MediaSourceManager {
     @NonNull private final String TAG = "MediaSourceManager@" + hashCode();
@@ -52,7 +52,6 @@ public class MediaSourceManager {
      * streams before will only be cached for future usage.
      *
      * @see #onMediaSourceReceived(PlayQueueItem, ManagedMediaSource)
-     * @see #update(int, MediaSource, Runnable)
      * */
     private final static int WINDOW_SIZE = 1;
 
@@ -99,11 +98,10 @@ public class MediaSourceManager {
     private final static int MAXIMUM_LOADER_SIZE = WINDOW_SIZE * 2 + 1;
     @NonNull private final CompositeDisposable loaderReactor;
     @NonNull private final Set<PlayQueueItem> loadingItems;
-    @NonNull private final SerialDisposable syncReactor;
 
     @NonNull private final AtomicBoolean isBlocked;
 
-    @NonNull private DynamicConcatenatingMediaSource sources;
+    @NonNull private ManagedMediaSourcePlaylist playlist;
 
     public MediaSourceManager(@NonNull final PlaybackListener listener,
                               @NonNull final PlayQueue playQueue) {
@@ -139,13 +137,12 @@ public class MediaSourceManager {
 
         this.playQueueReactor = EmptySubscription.INSTANCE;
         this.loaderReactor = new CompositeDisposable();
-        this.syncReactor = new SerialDisposable();
 
         this.isBlocked = new AtomicBoolean(false);
 
-        this.sources = new DynamicConcatenatingMediaSource();
+        this.playlist = new ManagedMediaSourcePlaylist();
 
-        this.loadingItems = Collections.synchronizedSet(new HashSet<>());
+        this.loadingItems = Collections.synchronizedSet(new ArraySet<>());
 
         playQueue.getBroadcastReceiver()
                 .observeOn(AndroidSchedulers.mainThread())
@@ -166,8 +163,6 @@ public class MediaSourceManager {
 
         playQueueReactor.cancel();
         loaderReactor.dispose();
-        syncReactor.dispose();
-        sources.releaseSource();
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -215,17 +210,18 @@ public class MediaSourceManager {
                 break;
             case REMOVE:
                 final RemoveEvent removeEvent = (RemoveEvent) event;
-                remove(removeEvent.getRemoveIndex());
+                playlist.remove(removeEvent.getRemoveIndex());
                 break;
             case MOVE:
                 final MoveEvent moveEvent = (MoveEvent) event;
-                move(moveEvent.getFromIndex(), moveEvent.getToIndex());
+                playlist.move(moveEvent.getFromIndex(), moveEvent.getToIndex());
                 break;
             case REORDER:
                 // Need to move to ensure the playing index from play queue matches that of
                 // the source timeline, and then window correction can take care of the rest
                 final ReorderEvent reorderEvent = (ReorderEvent) event;
-                move(reorderEvent.getFromSelectedIndex(), reorderEvent.getToSelectedIndex());
+                playlist.move(reorderEvent.getFromSelectedIndex(),
+                        reorderEvent.getToSelectedIndex());
                 break;
             case RECOVERY:
             default:
@@ -266,10 +262,11 @@ public class MediaSourceManager {
     }
 
     private boolean isPlaybackReady() {
-        if (sources.getSize() != playQueue.size()) return false;
+        if (playlist.size() != playQueue.size()) return false;
+
+        final ManagedMediaSource mediaSource = playlist.get(playQueue.getIndex());
+        if (mediaSource == null) return false;
 
-        final ManagedMediaSource mediaSource =
-                (ManagedMediaSource) sources.getMediaSource(playQueue.getIndex());
         final PlayQueueItem playQueueItem = playQueue.getItem();
         return mediaSource.isStreamEqual(playQueueItem);
     }
@@ -288,9 +285,9 @@ public class MediaSourceManager {
     private void maybeUnblock() {
         if (DEBUG) Log.d(TAG, "maybeUnblock() called.");
 
-        if (isPlayQueueReady() && isPlaybackReady() && isBlocked.get()) {
+        if (isBlocked.get()) {
             isBlocked.set(false);
-            playbackListener.onPlaybackUnblock(sources);
+            playbackListener.onPlaybackUnblock(playlist.getParentMediaSource());
         }
     }
 
@@ -299,45 +296,35 @@ public class MediaSourceManager {
     //////////////////////////////////////////////////////////////////////////*/
 
     private void maybeSync() {
-        if (DEBUG) Log.d(TAG, "onPlaybackSynchronize() called.");
+        if (DEBUG) Log.d(TAG, "maybeSync() called.");
 
         final PlayQueueItem currentItem = playQueue.getItem();
-        if (isBlocked.get() || !isPlaybackReady() || currentItem == null) return;
+        if (isBlocked.get() || currentItem == null) return;
 
-        final Consumer<StreamInfo> onSuccess = info -> syncInternal(currentItem, info);
-        final Consumer<Throwable> onError = throwable -> syncInternal(currentItem, null);
-
-        final Disposable sync = currentItem.getStream()
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(onSuccess, onError);
-        syncReactor.set(sync);
+        playbackListener.onPlaybackSynchronize(currentItem);
     }
 
-    private void syncInternal(@NonNull final PlayQueueItem item,
-                              @Nullable final StreamInfo info) {
-        // Ensure the current item is up to date with the play queue
-        if (playQueue.getItem() == item) {
-            playbackListener.onPlaybackSynchronize(item, info);
+    private synchronized void maybeSynchronizePlayer() {
+        if (isPlayQueueReady() && isPlaybackReady()) {
+            maybeUnblock();
+            maybeSync();
         }
     }
 
-    private void maybeSynchronizePlayer() {
-        maybeUnblock();
-        maybeSync();
-    }
-
     /*//////////////////////////////////////////////////////////////////////////
     // MediaSource Loading
     //////////////////////////////////////////////////////////////////////////*/
 
     private Observable<Long> getEdgeIntervalSignal() {
         return Observable.interval(progressUpdateIntervalMillis, TimeUnit.MILLISECONDS)
-                .filter(ignored -> playbackListener.isNearPlaybackEdge(playbackNearEndGapMillis));
+                .filter(ignored ->
+                        playbackListener.isApproachingPlaybackEdge(playbackNearEndGapMillis));
     }
 
     private Disposable getDebouncedLoader() {
         return debouncedSignal.mergeWith(nearEndIntervalSignal)
                 .debounce(loadDebounceMillis, TimeUnit.MILLISECONDS)
+                .subscribeOn(Schedulers.single())
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe(timestamp -> loadImmediate());
     }
@@ -348,42 +335,21 @@ public class MediaSourceManager {
 
     private void loadImmediate() {
         if (DEBUG) Log.d(TAG, "MediaSource - loadImmediate() called");
-        // The current item has higher priority
-        final int currentIndex = playQueue.getIndex();
-        final PlayQueueItem currentItem = playQueue.getItem(currentIndex);
-        if (currentItem == null) return;
+        final ItemsToLoad itemsToLoad = getItemsToLoad(playQueue, WINDOW_SIZE);
+        if (itemsToLoad == null) return;
 
-        // Evict the items being loaded to free up memory
-        if (loaderReactor.size() > MAXIMUM_LOADER_SIZE) {
-            loaderReactor.clear();
-            loadingItems.clear();
-        }
-        maybeLoadItem(currentItem);
+        // Evict the previous items being loaded to free up memory, before start loading new ones
+        maybeClearLoaders();
 
-        // The rest are just for seamless playback
-        // Although timeline is not updated prior to the current index, these sources are still
-        // loaded into the cache for faster retrieval at a potentially later time.
-        final int leftBound = Math.max(0, currentIndex - WINDOW_SIZE);
-        final int rightLimit = currentIndex + WINDOW_SIZE + 1;
-        final int rightBound = Math.min(playQueue.size(), rightLimit);
-        final Set<PlayQueueItem> items = new HashSet<>(
-                playQueue.getStreams().subList(leftBound,rightBound));
-
-        // Do a round robin
-        final int excess = rightLimit - playQueue.size();
-        if (excess >= 0) {
-            items.addAll(playQueue.getStreams().subList(0, Math.min(playQueue.size(), excess)));
-        }
-        items.remove(currentItem);
-
-        for (final PlayQueueItem item : items) {
+        maybeLoadItem(itemsToLoad.center);
+        for (final PlayQueueItem item : itemsToLoad.neighbors) {
             maybeLoadItem(item);
         }
     }
 
     private void maybeLoadItem(@NonNull final PlayQueueItem item) {
         if (DEBUG) Log.d(TAG, "maybeLoadItem() called.");
-        if (playQueue.indexOf(item) >= sources.getSize()) return;
+        if (playQueue.indexOf(item) >= playlist.size()) return;
 
         if (!loadingItems.contains(item) && isCorrectionNeeded(item)) {
             if (DEBUG) Log.d(TAG, "MediaSource - Loading=[" + item.getTitle() +
@@ -402,19 +368,19 @@ public class MediaSourceManager {
         return stream.getStream().map(streamInfo -> {
             final MediaSource source = playbackListener.sourceOf(stream, streamInfo);
             if (source == null) {
-                final Exception exception = new IllegalStateException(
-                        "Unable to resolve source from stream info." +
-                                " URL: " + stream.getUrl() +
-                                ", audio count: " + streamInfo.getAudioStreams().size() +
-                                ", video count: " + streamInfo.getVideoOnlyStreams().size() +
-                                streamInfo.getVideoStreams().size());
-                return new FailedMediaSource(stream, exception);
+                final String message = "Unable to resolve source from stream info." +
+                        " URL: " + stream.getUrl() +
+                        ", audio count: " + streamInfo.getAudioStreams().size() +
+                        ", video count: " + streamInfo.getVideoOnlyStreams().size() +
+                        streamInfo.getVideoStreams().size();
+                return new FailedMediaSource(stream, new MediaSourceResolutionException(message));
             }
 
             final long expiration = System.currentTimeMillis() +
                     ServiceHelper.getCacheExpirationMillis(streamInfo.getServiceId());
             return new LoadedMediaSource(source, stream, expiration);
-        }).onErrorReturn(throwable -> new FailedMediaSource(stream, throwable));
+        }).onErrorReturn(throwable -> new FailedMediaSource(stream,
+                new StreamInfoLoadException(throwable)));
     }
 
     private void onMediaSourceReceived(@NonNull final PlayQueueItem item,
@@ -426,15 +392,16 @@ public class MediaSourceManager {
 
         final int itemIndex = playQueue.indexOf(item);
         // Only update the playlist timeline for items at the current index or after.
-        if (itemIndex >= playQueue.getIndex() && isCorrectionNeeded(item)) {
+        if (isCorrectionNeeded(item)) {
             if (DEBUG) Log.d(TAG, "MediaSource - Updating index=[" + itemIndex + "] with " +
                     "title=[" + item.getTitle() + "] at url=[" + item.getUrl() + "]");
-            update(itemIndex, mediaSource, this::maybeSynchronizePlayer);
+            playlist.update(itemIndex, mediaSource, this::maybeSynchronizePlayer);
         }
     }
 
     /**
-     * Checks if the corresponding MediaSource in {@link DynamicConcatenatingMediaSource}
+     * Checks if the corresponding MediaSource in
+     * {@link com.google.android.exoplayer2.source.ConcatenatingMediaSource}
      * for a given {@link PlayQueueItem} needs replacement, either due to gapless playback
      * readiness or playlist desynchronization.
      * <br><br>
@@ -445,10 +412,8 @@ public class MediaSourceManager {
      * */
     private boolean isCorrectionNeeded(@NonNull final PlayQueueItem item) {
         final int index = playQueue.indexOf(item);
-        if (index == -1 || index >= sources.getSize()) return false;
-
-        final ManagedMediaSource mediaSource = (ManagedMediaSource) sources.getMediaSource(index);
-        return mediaSource.shouldBeReplacedWith(item,
+        final ManagedMediaSource mediaSource = playlist.get(index);
+        return mediaSource != null && mediaSource.shouldBeReplacedWith(item,
                 /*mightBeInProgress=*/index != playQueue.getIndex());
     }
 
@@ -465,10 +430,9 @@ public class MediaSourceManager {
      * */
     private void maybeRenewCurrentIndex() {
         final int currentIndex = playQueue.getIndex();
-        if (sources.getSize() <= currentIndex) return;
+        final ManagedMediaSource currentSource = playlist.get(currentIndex);
+        if (currentSource == null) return;
 
-        final ManagedMediaSource currentSource =
-                (ManagedMediaSource) sources.getMediaSource(currentIndex);
         final PlayQueueItem currentItem = playQueue.getItem();
         if (!currentSource.shouldBeReplacedWith(currentItem, /*canInterruptOnRenew=*/true)) {
             maybeSynchronizePlayer();
@@ -477,7 +441,16 @@ public class MediaSourceManager {
 
         if (DEBUG) Log.d(TAG, "MediaSource - Reloading currently playing, " +
                 "index=[" + currentIndex + "], item=[" + currentItem.getTitle() + "]");
-        update(currentIndex, new PlaceholderMediaSource(), this::loadImmediate);
+        playlist.invalidate(currentIndex, this::loadImmediate);
+    }
+
+    private void maybeClearLoaders() {
+        if (DEBUG) Log.d(TAG, "MediaSource - maybeClearLoaders() called.");
+        if (!loadingItems.contains(playQueue.getItem()) &&
+                loaderReactor.size() > MAXIMUM_LOADER_SIZE) {
+            loaderReactor.clear();
+            loadingItems.clear();
+        }
     }
     /*//////////////////////////////////////////////////////////////////////////
     // MediaSource Playlist Helpers
@@ -485,73 +458,54 @@ public class MediaSourceManager {
 
     private void resetSources() {
         if (DEBUG) Log.d(TAG, "resetSources() called.");
-
-        this.sources.releaseSource();
-        this.sources = new DynamicConcatenatingMediaSource(false,
-                // Shuffling is done on PlayQueue, thus no need to use ExoPlayer's shuffle order
-                new ShuffleOrder.UnshuffledShuffleOrder(0));
+        playlist = new ManagedMediaSourcePlaylist();
     }
 
     private void populateSources() {
         if (DEBUG) Log.d(TAG, "populateSources() called.");
-        if (sources.getSize() >= playQueue.size()) return;
-
-        for (int index = sources.getSize() - 1; index < playQueue.size(); index++) {
-            emplace(index, new PlaceholderMediaSource());
+        while (playlist.size() < playQueue.size()) {
+            playlist.expand();
         }
     }
 
     /*//////////////////////////////////////////////////////////////////////////
-    // MediaSource Playlist Manipulation
+    // Manager Helpers
     //////////////////////////////////////////////////////////////////////////*/
+    @Nullable
+    private static ItemsToLoad getItemsToLoad(@NonNull final PlayQueue playQueue,
+                                              final int windowSize) {
+        // The current item has higher priority
+        final int currentIndex = playQueue.getIndex();
+        final PlayQueueItem currentItem = playQueue.getItem(currentIndex);
+        if (currentItem == null) return null;
 
-    /**
-     * Places a {@link MediaSource} into the {@link DynamicConcatenatingMediaSource}
-     * with position in respect to the play queue only if no {@link MediaSource}
-     * already exists at the given index.
-     * */
-    private synchronized void emplace(final int index, @NonNull final MediaSource source) {
-        if (index < sources.getSize()) return;
+        // The rest are just for seamless playback
+        // Although timeline is not updated prior to the current index, these sources are still
+        // loaded into the cache for faster retrieval at a potentially later time.
+        final int leftBound = Math.max(0, currentIndex - windowSize);
+        final int rightLimit = currentIndex + windowSize + 1;
+        final int rightBound = Math.min(playQueue.size(), rightLimit);
+        final Set<PlayQueueItem> neighbors = new ArraySet<>(
+                playQueue.getStreams().subList(leftBound,rightBound));
 
-        sources.addMediaSource(index, source);
+        // Do a round robin
+        final int excess = rightLimit - playQueue.size();
+        if (excess >= 0) {
+            neighbors.addAll(playQueue.getStreams().subList(0, Math.min(playQueue.size(), excess)));
+        }
+        neighbors.remove(currentItem);
+
+        return new ItemsToLoad(currentItem, neighbors);
     }
 
-    /**
-     * Removes a {@link MediaSource} from {@link DynamicConcatenatingMediaSource}
-     * at the given index. If this index is out of bound, then the removal is ignored.
-     * */
-    private synchronized void remove(final int index) {
-        if (index < 0 || index > sources.getSize()) return;
+    private static class ItemsToLoad {
+        @NonNull final private PlayQueueItem center;
+        @NonNull final private Collection<PlayQueueItem> neighbors;
 
-        sources.removeMediaSource(index);
-    }
-
-    /**
-     * Moves a {@link MediaSource} in {@link DynamicConcatenatingMediaSource}
-     * from the given source index to the target index. If either index is out of bound,
-     * then the call is ignored.
-     * */
-    private synchronized void move(final int source, final int target) {
-        if (source < 0 || target < 0) return;
-        if (source >= sources.getSize() || target >= sources.getSize()) return;
-
-        sources.moveMediaSource(source, target);
-    }
-
-    /**
-     * Updates the {@link MediaSource} in {@link DynamicConcatenatingMediaSource}
-     * at the given index with a given {@link MediaSource}. If the index is out of bound,
-     * then the replacement is ignored.
-     * <br><br>
-     * Not recommended to use on indices LESS THAN the currently playing index, since
-     * this will modify the playback timeline prior to the index and may cause desynchronization
-     * on the playing item between {@link PlayQueue} and {@link DynamicConcatenatingMediaSource}.
-     * */
-    private synchronized void update(final int index, @NonNull final MediaSource source,
-                                     @Nullable final Runnable finalizingAction) {
-        if (index < 0 || index >= sources.getSize()) return;
-
-        sources.addMediaSource(index + 1, source, () ->
-                sources.removeMediaSource(index, finalizingAction));
+        ItemsToLoad(@NonNull final PlayQueueItem center,
+                    @NonNull final Collection<PlayQueueItem> neighbors) {
+            this.center = center;
+            this.neighbors = neighbors;
+        }
     }
 }

app/src/main/java/org/schabi/newpipe/player/playback/PlaybackListener.java

@@ -6,20 +6,20 @@ import android.support.annotation.Nullable;
 import com.google.android.exoplayer2.source.MediaSource;
 
 import org.schabi.newpipe.extractor.stream.StreamInfo;
-import org.schabi.newpipe.playlist.PlayQueueItem;
+import org.schabi.newpipe.player.playqueue.PlayQueueItem;
 
 import java.util.List;
 
 public interface PlaybackListener {
 
     /**
-     * Called to check if the currently playing stream is close to the end of its playback.
-     * Implementation should return true when the current playback position is within
-     * timeToEndMillis or less until its playback completes or transitions.
+     * Called to check if the currently playing stream is approaching the end of its playback.
+     * Implementation should return true when the current playback position is progressing within
+     * timeToEndMillis or less to its playback during.
      *
      * May be called at any time.
      * */
-    boolean isNearPlaybackEdge(final long timeToEndMillis);
+    boolean isApproachingPlaybackEdge(final long timeToEndMillis);
 
     /**
      * Called when the stream at the current queue index is not ready yet.
@@ -45,7 +45,7 @@ public interface PlaybackListener {
      *
      * May be called anytime at any amount once unblock is called.
      * */
-    void onPlaybackSynchronize(@NonNull final PlayQueueItem item, @Nullable final StreamInfo info);
+    void onPlaybackSynchronize(@NonNull final PlayQueueItem item);
 
     /**
      * Requests the listener to resolve a stream info into a media source

app/src/main/java/org/schabi/newpipe/player/playqueue/AbstractInfoPlayQueue.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.util.Log;
 

app/src/main/java/org/schabi/newpipe/player/playqueue/ChannelPlayQueue.java

@@ -1,6 +1,6 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
+
 
-import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.channel.ChannelInfo;
 import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueue.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -6,15 +6,16 @@ import android.util.Log;
 
 import org.reactivestreams.Subscriber;
 import org.reactivestreams.Subscription;
-import org.schabi.newpipe.playlist.events.AppendEvent;
-import org.schabi.newpipe.playlist.events.ErrorEvent;
-import org.schabi.newpipe.playlist.events.InitEvent;
-import org.schabi.newpipe.playlist.events.MoveEvent;
-import org.schabi.newpipe.playlist.events.PlayQueueEvent;
-import org.schabi.newpipe.playlist.events.RecoveryEvent;
-import org.schabi.newpipe.playlist.events.RemoveEvent;
-import org.schabi.newpipe.playlist.events.ReorderEvent;
-import org.schabi.newpipe.playlist.events.SelectEvent;
+import org.schabi.newpipe.BuildConfig;
+import org.schabi.newpipe.player.playqueue.events.AppendEvent;
+import org.schabi.newpipe.player.playqueue.events.ErrorEvent;
+import org.schabi.newpipe.player.playqueue.events.InitEvent;
+import org.schabi.newpipe.player.playqueue.events.MoveEvent;
+import org.schabi.newpipe.player.playqueue.events.PlayQueueEvent;
+import org.schabi.newpipe.player.playqueue.events.RecoveryEvent;
+import org.schabi.newpipe.player.playqueue.events.RemoveEvent;
+import org.schabi.newpipe.player.playqueue.events.ReorderEvent;
+import org.schabi.newpipe.player.playqueue.events.SelectEvent;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -41,7 +42,7 @@ import io.reactivex.subjects.BehaviorSubject;
 public abstract class PlayQueue implements Serializable {
     private final String TAG = "PlayQueue@" + Integer.toHexString(hashCode());
 
-    public static final boolean DEBUG = true;
+    public static final boolean DEBUG = !BuildConfig.BUILD_TYPE.equals("release");
 
     private ArrayList<PlayQueueItem> backup;
     private ArrayList<PlayQueueItem> streams;

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueAdapter.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.content.Context;
 import android.support.v7.widget.RecyclerView;
@@ -8,12 +8,13 @@ import android.view.View;
 import android.view.ViewGroup;
 
 import org.schabi.newpipe.R;
-import org.schabi.newpipe.playlist.events.AppendEvent;
-import org.schabi.newpipe.playlist.events.ErrorEvent;
-import org.schabi.newpipe.playlist.events.MoveEvent;
-import org.schabi.newpipe.playlist.events.PlayQueueEvent;
-import org.schabi.newpipe.playlist.events.RemoveEvent;
-import org.schabi.newpipe.playlist.events.SelectEvent;
+import org.schabi.newpipe.player.playqueue.events.AppendEvent;
+import org.schabi.newpipe.player.playqueue.events.ErrorEvent;
+import org.schabi.newpipe.player.playqueue.events.MoveEvent;
+import org.schabi.newpipe.player.playqueue.events.PlayQueueEvent;
+import org.schabi.newpipe.player.playqueue.events.RemoveEvent;
+import org.schabi.newpipe.player.playqueue.events.SelectEvent;
+import org.schabi.newpipe.util.FallbackViewHolder;
 
 import java.util.List;
 
@@ -188,7 +189,7 @@ public class PlayQueueAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
                 return new PlayQueueItemHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.play_queue_item, parent, false));
             default:
                 Log.e(TAG, "Attempting to create view holder with undefined type: " + type);
-                return null;
+                return new FallbackViewHolder(new View(parent.getContext()));
         }
     }
 

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueItem.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
@@ -28,12 +28,12 @@ public class PlayQueueItem implements Serializable {
     private long recoveryPosition;
     private Throwable error;
 
-    private transient Single<StreamInfo> stream;
-
     PlayQueueItem(@NonNull final StreamInfo info) {
         this(info.getName(), info.getUrl(), info.getServiceId(), info.getDuration(),
                 info.getThumbnailUrl(), info.getUploaderName(), info.getStreamType());
-        this.stream = Single.just(info);
+
+        if (info.getStartPosition() > 0)
+            setRecoveryPosition(info.getStartPosition() * 1000);
     }
 
     PlayQueueItem(@NonNull final StreamInfoItem item) {
@@ -100,11 +100,6 @@ public class PlayQueueItem implements Serializable {
 
     @NonNull
     public Single<StreamInfo> getStream() {
-        return stream == null ? stream = getInfo() : stream;
-    }
-
-    @NonNull
-    private Single<StreamInfo> getInfo() {
         return ExtractorHelper.getStreamInfo(this.serviceId, this.url, false)
                 .subscribeOn(Schedulers.io())
                 .doOnError(throwable -> error = throwable);

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueItemBuilder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.content.Context;
 import android.text.TextUtils;

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueItemHolder.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.support.v7.widget.RecyclerView;
 import android.view.View;

app/src/main/java/org/schabi/newpipe/player/playqueue/PlayQueueItemTouchCallback.java

@@ -1,4 +1,4 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.helper.ItemTouchHelper;

app/src/main/java/org/schabi/newpipe/player/playqueue/PlaylistPlayQueue.java

@@ -1,6 +1,5 @@
-package org.schabi.newpipe.playlist;
+package org.schabi.newpipe.player.playqueue;
 
-import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfo;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;