Add preference to hide description tab in video details

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

@@ -130,8 +130,6 @@ public final class VideoDetailFragment
         OnKeyDownListener {
     public static final String KEY_SWITCHING_PLAYERS = "switching_players";
 
-    private static final int RELATED_STREAMS_UPDATE_FLAG = 0x1;
-    private static final int COMMENTS_UPDATE_FLAG = 0x2;
     private static final float MAX_OVERLAY_ALPHA = 0.9f;
     private static final float MAX_PLAYER_HEIGHT = 0.7f;
 
@@ -151,12 +149,12 @@ public final class VideoDetailFragment
     private static final String DESCRIPTION_TAB_TAG = "DESCRIPTION TAB";
 
     // tabs
-    private boolean showRelatedStreams;
     private boolean showComments;
+    private boolean showRelatedStreams;
+    private boolean showDescription;
     private String selectedTabTag;
     @AttrRes @NonNull final List<Integer> tabIcons = new ArrayList<>();
-
+    private boolean tabSettingsChanged = false;
-    private int updateFlags = 0;
 
     @State
     protected int serviceId = Constants.NO_SERVICE_ID;
@@ -275,17 +273,13 @@ public final class VideoDetailFragment
     public void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        showRelatedStreams = PreferenceManager.getDefaultSharedPreferences(activity)
+        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
-                .getBoolean(getString(R.string.show_next_video_key), true);
+        showComments = prefs.getBoolean(getString(R.string.show_comments_key), true);
-
+        showRelatedStreams = prefs.getBoolean(getString(R.string.show_next_video_key), true);
-        showComments = PreferenceManager.getDefaultSharedPreferences(activity)
+        showDescription = prefs.getBoolean(getString(R.string.show_description_key), true);
-                .getBoolean(getString(R.string.show_comments_key), true);
+        selectedTabTag = prefs.getString(
-
+                getString(R.string.stream_info_selected_tab_key), COMMENTS_TAB_TAG);
-        selectedTabTag = PreferenceManager.getDefaultSharedPreferences(activity)
+        prefs.registerOnSharedPreferenceChangeListener(this);
-                .getString(getString(R.string.stream_info_selected_tab_key), COMMENTS_TAB_TAG);
-
-        PreferenceManager.getDefaultSharedPreferences(activity)
-                .registerOnSharedPreferenceChangeListener(this);
 
         setupBroadcastReceiver();
 
@@ -330,17 +324,12 @@ public final class VideoDetailFragment
 
         setupBrightness();
 
-        if (updateFlags != 0) {
+        if (tabSettingsChanged) {
-            if (!isLoading.get() && currentInfo != null) {
+            tabSettingsChanged = false;
-                if ((updateFlags & RELATED_STREAMS_UPDATE_FLAG) != 0) {
+            initTabs();
-                    startLoading(false);
+            if (currentInfo != null) {
+                updateTabs(currentInfo);
             }
-                if ((updateFlags & COMMENTS_UPDATE_FLAG) != 0) {
-                    startLoading(false);
-                }
-            }
-
-            updateFlags = 0;
         }
 
         // Check if it was loading when the fragment was stopped/paused
@@ -415,12 +404,15 @@ public final class VideoDetailFragment
     @Override
     public void onSharedPreferenceChanged(final SharedPreferences sharedPreferences,
                                           final String key) {
-        if (key.equals(getString(R.string.show_next_video_key))) {
+        if (key.equals(getString(R.string.show_comments_key))) {
-            showRelatedStreams = sharedPreferences.getBoolean(key, true);
-            updateFlags |= RELATED_STREAMS_UPDATE_FLAG;
-        } else if (key.equals(getString(R.string.show_comments_key))) {
             showComments = sharedPreferences.getBoolean(key, true);
-            updateFlags |= COMMENTS_UPDATE_FLAG;
+            tabSettingsChanged = true;
+        } else if (key.equals(getString(R.string.show_next_video_key))) {
+            showRelatedStreams = sharedPreferences.getBoolean(key, true);
+            tabSettingsChanged = true;
+        } else if (key.equals(getString(R.string.show_description_key))) {
+            showComments = sharedPreferences.getBoolean(key, true);
+            tabSettingsChanged = true;
         }
     }
 
@@ -926,9 +918,11 @@ public final class VideoDetailFragment
             tabIcons.add(R.drawable.ic_art_track_white_24dp);
         }
 
+        if (showDescription) {
             // temp empty fragment. will be updated in handleResult
             pageAdapter.addFragment(new Fragment(), DESCRIPTION_TAB_TAG);
             tabIcons.add(R.drawable.ic_description_white_24dp);
+        }
         pageAdapter.notifyDataSetUpdate();
 
         if (pageAdapter.getCount() < 2) {
@@ -972,8 +966,11 @@ public final class VideoDetailFragment
             }
         }
 
+        if (showDescription) {
             pageAdapter.updateItem(DESCRIPTION_TAB_TAG,
                     new DescriptionFragment(info));
+        }
+
         pageAdapter.notifyDataSetUpdate();
         updateTabIcons();
     }

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

@@ -197,8 +197,9 @@
     <!-- Content & History -->
     <string name="show_search_suggestions_key" translatable="false">show_search_suggestions</string>
     <string name="show_play_with_kodi_key" translatable="false">show_play_with_kodi</string>
-    <string name="show_next_video_key" translatable="false">show_next_video</string>
     <string name="show_comments_key" translatable="false">show_comments</string>
+    <string name="show_next_video_key" translatable="false">show_next_video</string>
+    <string name="show_description_key" translatable="false">show_description</string>
     <string name="show_meta_info_key" translatable="false">show_meta_info</string>
     <string name="stream_info_selected_tab_key" translatable="false">stream_info_selected_tab</string>
     <string name="show_hold_to_append_key" translatable="false">show_hold_to_append</string>

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

@@ -91,9 +91,12 @@
     <string name="clear_queue_confirmation_summary">Switching from one player to another may replace your queue</string>
     <string name="clear_queue_confirmation_description">The active player queue will be replaced</string>
     <string name="download_thumbnail_title">Load thumbnails</string>
+    <string name="download_thumbnail_summary">Turn off to prevent loading thumbnails, saving data and memory usage. Changes clear both in-memory and on-disk image cache.</string>
     <string name="show_comments_title">Show comments</string>
     <string name="show_comments_summary">Turn off to hide comments</string>
-    <string name="download_thumbnail_summary">Turn off to prevent loading thumbnails, saving data and memory usage. Changes clear both in-memory and on-disk image cache.</string>
+    <string name="show_next_and_similar_title">Show \'Next\' and \'Similar\' videos</string>
+    <string name="show_description_title">Show description</string>
+    <string name="show_description_summary">Turn off to hide video description and additional information</string>
     <string name="show_meta_info_title">Show meta info</string>
     <string name="show_meta_info_summary">Turn off to hide meta info boxes with additional information about the stream creator, stream content or a search request.</string>
     <string name="thumbnail_cache_wipe_complete_notice">Image cache wiped</string>
@@ -124,7 +127,6 @@
     <string name="resume_on_audio_focus_gain_summary">Continue playing after interruptions (e.g. phonecalls)</string>
     <string name="download_dialog_title">Download</string>
     <string name="autoplay_title">Autoplay</string>
-    <string name="show_next_and_similar_title">Show \'Next\' and \'Similar\' videos</string>
     <string name="show_hold_to_append_title">Show \"Hold to append\" tip</string>
     <string name="show_hold_to_append_summary">Show tip when pressing the background or the popup button in video \"Details:\"</string>
     <string name="unsupported_url">Unsupported URL</string>

app/src/main/res/xml/content_settings.xml

@@ -72,6 +72,13 @@
         android:title="@string/download_thumbnail_title"
         app:iconSpaceReserved="false" />
 
+    <SwitchPreferenceCompat
+        android:defaultValue="true"
+        android:key="@string/show_comments_key"
+        android:summary="@string/show_comments_summary"
+        android:title="@string/show_comments_title"
+        app:iconSpaceReserved="false" />
+
     <SwitchPreferenceCompat
         android:defaultValue="true"
         android:key="@string/show_next_video_key"
@@ -80,9 +87,9 @@
 
     <SwitchPreferenceCompat
         android:defaultValue="true"
-        android:key="@string/show_comments_key"
+        android:key="@string/show_description_key"
-        android:summary="@string/show_comments_summary"
+        android:summary="@string/show_description_summary"
-        android:title="@string/show_comments_title"
+        android:title="@string/show_description_title"
         app:iconSpaceReserved="false" />
 
     <SwitchPreferenceCompat