-Updated ExoPlayer to r2.5.1.

-Fixes some more deprecations due to Exoplayer and Android O notification updates.

app/build.gradle

@@ -67,7 +67,7 @@ dependencies {
     compile 'de.hdodenhof:circleimageview:2.0.0'
     compile 'com.github.nirhart:parallaxscroll:1.0'
     compile 'com.nononsenseapps:filepicker:3.0.0'
-    compile 'com.google.android.exoplayer:exoplayer:r2.4.2'
+    compile 'com.google.android.exoplayer:exoplayer:r2.5.1'
 
     debugCompile 'com.facebook.stetho:stetho:1.5.0'
     debugCompile 'com.facebook.stetho:stetho-urlconnection:1.5.0'

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

@@ -342,6 +342,11 @@ public class BackgroundPlayer extends Service {
             // Disable default behavior
         }
 
+        @Override
+        public void onRepeatModeChanged(int i) {
+
+        }
+
         @Override
         public void destroy() {
             super.destroy();

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

@@ -19,10 +19,12 @@ import android.view.View;
 
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.DefaultLoadControl;
+import com.google.android.exoplayer2.DefaultRenderersFactory;
 import com.google.android.exoplayer2.ExoPlaybackException;
-import com.google.android.exoplayer2.ExoPlayer;
 import com.google.android.exoplayer2.ExoPlayerFactory;
 import com.google.android.exoplayer2.PlaybackParameters;
+import com.google.android.exoplayer2.Player;
+import com.google.android.exoplayer2.RenderersFactory;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.Timeline;
 import com.google.android.exoplayer2.extractor.DefaultExtractorsFactory;
@@ -62,7 +64,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
  * @author mauriciocolli
  */
 @SuppressWarnings({"WeakerAccess", "unused"})
-public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManager.OnAudioFocusChangeListener {
+public abstract class BasePlayer implements Player.EventListener, AudioManager.OnAudioFocusChangeListener {
     public static final boolean DEBUG = false;
     public static final String TAG = "BasePlayer";
 
@@ -158,7 +160,8 @@ public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManage
         DefaultTrackSelector defaultTrackSelector = new DefaultTrackSelector(trackSelectionFactory);
         DefaultLoadControl loadControl = new DefaultLoadControl();
 
-        simpleExoPlayer = ExoPlayerFactory.newSimpleInstance(context, defaultTrackSelector, loadControl);
+        final RenderersFactory renderFactory = new DefaultRenderersFactory(context);
+        simpleExoPlayer = ExoPlayerFactory.newSimpleInstance(renderFactory, defaultTrackSelector, loadControl);
         simpleExoPlayer.addListener(this);
     }
 
@@ -220,7 +223,7 @@ public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManage
         isPrepared = false;
         mediaSource = buildMediaSource(url, format);
 
-        if (simpleExoPlayer.getPlaybackState() != ExoPlayer.STATE_IDLE) simpleExoPlayer.stop();
+        if (simpleExoPlayer.getPlaybackState() != Player.STATE_IDLE) simpleExoPlayer.stop();
         if (videoStartPos > 0) simpleExoPlayer.seekTo(videoStartPos);
         simpleExoPlayer.prepare(mediaSource);
         simpleExoPlayer.setPlayWhenReady(autoPlay);
@@ -477,13 +480,13 @@ public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManage
         }
 
         switch (playbackState) {
-            case ExoPlayer.STATE_IDLE: // 1
+            case Player.STATE_IDLE: // 1
                 isPrepared = false;
                 break;
-            case ExoPlayer.STATE_BUFFERING: // 2
+            case Player.STATE_BUFFERING: // 2
                 if (isPrepared && getCurrentState() != STATE_LOADING) changeState(STATE_BUFFERING);
                 break;
-            case ExoPlayer.STATE_READY: //3
+            case Player.STATE_READY: //3
                 if (!isPrepared) {
                     isPrepared = true;
                     onPrepared(playWhenReady);
@@ -492,7 +495,7 @@ public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManage
                 if (currentState == STATE_PAUSED_SEEK) break;
                 changeState(playWhenReady ? STATE_PLAYING : STATE_PAUSED);
                 break;
-            case ExoPlayer.STATE_ENDED: // 4
+            case Player.STATE_ENDED: // 4
                 changeState(STATE_COMPLETED);
                 isPrepared = false;
                 break;
@@ -569,7 +572,7 @@ public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManage
     }
 
     public boolean isPlaying() {
-        return simpleExoPlayer.getPlaybackState() == ExoPlayer.STATE_READY && simpleExoPlayer.getPlayWhenReady();
+        return simpleExoPlayer.getPlaybackState() == Player.STATE_READY && simpleExoPlayer.getPlayWhenReady();
     }
 
     /*//////////////////////////////////////////////////////////////////////////
@@ -715,7 +718,7 @@ public abstract class BasePlayer implements ExoPlayer.EventListener, AudioManage
     }
 
     public boolean isCompleted() {
-        return simpleExoPlayer != null && simpleExoPlayer.getPlaybackState() == ExoPlayer.STATE_ENDED;
+        return simpleExoPlayer != null && simpleExoPlayer.getPlaybackState() == Player.STATE_ENDED;
     }
 
     public boolean isPrepared() {

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

@@ -422,6 +422,11 @@ public class MainVideoPlayer extends Activity {
         public ImageButton getPlayPauseButton() {
             return playPauseButton;
         }
+
+        @Override
+        public void onRepeatModeChanged(int i) {
+
+        }
     }
 
     private class MySimpleOnGestureListener extends GestureDetector.SimpleOnGestureListener implements View.OnTouchListener {

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

@@ -431,7 +431,7 @@ public class PopupVideoPlayer extends Service {
                 hideControls(100, 0);
             }
         }
-/*//////////////////////////////////////////////////////////////////////////
+        /*//////////////////////////////////////////////////////////////////////////
         // Broadcast Receiver
         //////////////////////////////////////////////////////////////////////////*/
 
@@ -511,6 +511,10 @@ public class PopupVideoPlayer extends Service {
         public TextView getResizingIndicator() {
             return resizingIndicator;
         }
+
+        @Override
+        public void onRepeatModeChanged(int i) {
+        }
     }
 
     private class MySimpleOnGestureListener extends GestureDetector.SimpleOnGestureListener implements View.OnTouchListener {

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

@@ -27,6 +27,7 @@ import android.widget.SeekBar;
 import android.widget.TextView;
 
 import com.google.android.exoplayer2.ExoPlayer;
+import com.google.android.exoplayer2.Player;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.source.ExtractorMediaSource;
 import com.google.android.exoplayer2.source.MediaSource;
@@ -52,7 +53,7 @@ import static org.schabi.newpipe.util.AnimationUtils.animateView;
  * @author mauriciocolli
  */
 @SuppressWarnings({"WeakerAccess", "unused"})
-public abstract class VideoPlayer extends BasePlayer implements SimpleExoPlayer.VideoListener, SeekBar.OnSeekBarChangeListener, View.OnClickListener, ExoPlayer.EventListener, PopupMenu.OnMenuItemClickListener, PopupMenu.OnDismissListener {
+public abstract class VideoPlayer extends BasePlayer implements SimpleExoPlayer.VideoListener, SeekBar.OnSeekBarChangeListener, View.OnClickListener, Player.EventListener, PopupMenu.OnMenuItemClickListener, PopupMenu.OnDismissListener {
     public static final boolean DEBUG = BasePlayer.DEBUG;
     public final String TAG;
 

app/src/main/java/us/shandian/giga/service/DownloadManagerService.java

@@ -98,7 +98,7 @@ public class DownloadManagerService extends Service {
 
         Drawable icon = ContextCompat.getDrawable(this, R.mipmap.ic_launcher);
 
-        Builder builder = new Builder(this)
+        Builder builder = new Builder(this, getString(R.string.notification_channel_id))
                 .setContentIntent(pendingIntent)
                 .setSmallIcon(android.R.drawable.stat_sys_download)
                 .setLargeIcon(((BitmapDrawable) icon).getBitmap())