preference screen previews set values

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

@@ -1,6 +1,5 @@
 package org.schabi.newpipe;
 
-import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
@@ -22,7 +21,8 @@ public class Localization {
     public static Locale getPreferredLocale(Context context) {
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
 
-        String languageCode = sp.getString(String.valueOf(R.string.searchLanguage), "en");
+        String languageCode = sp.getString(String.valueOf(R.string.searchLanguagePreference),
+                context.getString(R.string.defaultLanguageItem));
 
         if(languageCode.length() == 2) {
             return new Locale(languageCode);

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

@@ -1,14 +1,19 @@
 package org.schabi.newpipe;
 
 import android.app.Activity;
+import android.app.SharedElementCallback;
 import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
+import android.preference.EditTextPreference;
+import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
 import android.preference.PreferenceFragment;
+import android.preference.PreferenceManager;
 import android.support.annotation.LayoutRes;
 import android.support.annotation.NonNull;
 import android.support.v7.app.ActionBar;
@@ -60,16 +65,51 @@ public class SettingsActivity extends PreferenceActivity {
     }
 
     public static class SettingsFragment extends PreferenceFragment{
+        SharedPreferences.OnSharedPreferenceChangeListener prefListener;
+
+        // get keys
+        String DEFAULT_RESOLUTION_PREFERENCE;
+        String DEFAULT_AUDIO_FORMAT_PREFERENCE;
+        String SEARCH_LANGUAGE_PREFERENCE;
+        String DOWNLOAD_PATH_PREFERENCE;
+        String USE_TOR_KEY;
+
+        private ListPreference defaultResolutionPreference;
+        private ListPreference defaultAudioFormatPreference;
+        private ListPreference searchLanguagePreference;
+        private EditTextPreference downloadPathPreference;
         private CheckBoxPreference useTorCheckBox;
+        private SharedPreferences defaultPreferences;
+
 
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
             addPreferencesFromResource(R.xml.settings_screen);
 
-            // if Orbot is installed, then default to using Tor, the user can still override
-            useTorCheckBox = (CheckBoxPreference) findPreference(getString(R.string.useTor));
             final Activity activity = getActivity();
+
+            defaultPreferences = PreferenceManager.getDefaultSharedPreferences(activity);
+
+            // get keys
+            DEFAULT_RESOLUTION_PREFERENCE =getString(R.string.defaultResolutionPreference);
+            DEFAULT_AUDIO_FORMAT_PREFERENCE =getString(R.string.defaultAudioFormatPreference);
+            SEARCH_LANGUAGE_PREFERENCE =getString(R.string.searchLanguagePreference);
+            DOWNLOAD_PATH_PREFERENCE = getString(R.string.downloadPathPreference);
+            USE_TOR_KEY = getString(R.string.useTorKey);
+
+            // get pref objects
+            defaultResolutionPreference =
+                    (ListPreference) findPreference(DEFAULT_RESOLUTION_PREFERENCE);
+            defaultAudioFormatPreference =
+                    (ListPreference) findPreference(DEFAULT_AUDIO_FORMAT_PREFERENCE);
+            searchLanguagePreference =
+                    (ListPreference) findPreference(SEARCH_LANGUAGE_PREFERENCE);
+            downloadPathPreference =
+                    (EditTextPreference) findPreference(DOWNLOAD_PATH_PREFERENCE);
+            useTorCheckBox = (CheckBoxPreference) findPreference(USE_TOR_KEY);
+
+            // if Orbot is installed, then default to using Tor, the user can still override
             final boolean useTor = OrbotHelper.isOrbotInstalled(activity);
             useTorCheckBox.setDefaultValue(useTor);
             useTorCheckBox.setChecked(useTor);
@@ -90,6 +130,33 @@ public class SettingsActivity extends PreferenceActivity {
                     return true;
                 }
             });
+
+            prefListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
+                @Override
+                public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
+                                                      String key) {
+                    updateSummary();
+                }
+            };
+            defaultPreferences.registerOnSharedPreferenceChangeListener(prefListener);
+
+            updateSummary();
+        }
+
+        // This is used to show the status of some preference in the description
+        private void updateSummary() {
+            defaultResolutionPreference.setSummary(
+                    defaultPreferences.getString(DEFAULT_RESOLUTION_PREFERENCE,
+                            getString(R.string.defaultResolutionListItem)));
+            defaultAudioFormatPreference.setSummary(
+                    defaultPreferences.getString(DEFAULT_AUDIO_FORMAT_PREFERENCE,
+                            getString(R.string.defaultAudioFormat)));
+            searchLanguagePreference.setSummary(
+                    defaultPreferences.getString(SEARCH_LANGUAGE_PREFERENCE,
+                            getString(R.string.defaultLanguageItem)));
+            downloadPathPreference.setSummary(
+                    defaultPreferences.getString(DOWNLOAD_PATH_PREFERENCE,
+                            getString(R.string.downloadLocationSummary)));
         }
     }
 

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

@@ -99,8 +99,9 @@ public class VideoItemListFragment extends ListFragment {
         public void run() {
             try {
                 SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getContext());
-                String searchLanguageKey = getContext().getString(R.string.searchLanguage);
-                String searchLanguage = sp.getString(searchLanguageKey, "en");
+                String searchLanguageKey = getContext().getString(R.string.searchLanguagePreference);
+                String searchLanguage = sp.getString(searchLanguageKey,
+                        getString(R.string.defaultLanguageItem));
                 SearchEngine.Result result = engine.search(query, page, searchLanguage);
                 Log.i(TAG, "language code passed:\""+searchLanguage+"\"");
                 if(run) {

app/src/main/res/values/settings_keys.xml

@@ -29,7 +29,8 @@
     </string-array>
     <string name="defaultAudioFormat">m4a</string>
     <string name="showNextVideo">show_next_video</string>
-    <string name="searchLanguage">search_language</string>
+    <string name="searchLanguagePreference">search_language</string>
+    <string name="useTorKey">use_tor</string>
     <!-- TODO: scrape these programmatically, then store in a local cache -->
     <!-- alternatively, load these from some local android data store -->
     <string-array name='languageCodes'>
@@ -111,6 +112,7 @@
         <item>ja</item>
         <item>ko</item>
     </string-array>
+    <string name="defaultLanguageItem">en</string>
     <string-array name='languageNames'>
         <item>Afrikaans</item>
         <item>Azərbaycan</item>

app/src/main/res/xml/settings_screen.xml

@@ -43,11 +43,11 @@
             android:defaultValue="false" />
 
         <ListPreference
-            android:key="@string/searchLanguage"
+            android:key="@string/searchLanguagePreference"
             android:title="@string/searchLanguageTitle"
             android:entries="@array/languageNames"
             android:entryValues="@array/languageCodes"
-            android:defaultValue="en" />
+            android:defaultValue="@string/defaultLanguageItem" />
 
         <CheckBoxPreference
             android:key="@string/showNextVideo"
@@ -73,7 +73,7 @@
             android:defaultValue="false" />
 
         <CheckBoxPreference
-            android:key="@string/useTor"
+            android:key="@string/useTorKey"
             android:title="@string/useTor"
             android:summary="@string/useTorSummary" />