Fix animation video render issue when Settings->Moves is resumed from screen off.

am: 008ba4ec40

Change-Id: I48898d70a02a96a4fc76aa04bfeab309d6e9785f

src/com/android/settings/gestures/GesturePreference.java

@@ -185,6 +185,12 @@ public final class GesturePreference extends SwitchPreference implements
         Loader<Bitmap> loader = manager.initLoader(id, Bundle.EMPTY, this);
     }
 
+    void onViewVisible() {
+        if (mVideoReady && mMediaPlayer != null && !mMediaPlayer.isPlaying()) {
+            mMediaPlayer.seekTo(0);
+        }
+    }
+
     private static final class PreviewRetriever extends AsyncLoader<Bitmap> {
         private Uri mVideoPath;
 

src/com/android/settings/gestures/GestureSettings.java

@@ -118,6 +118,14 @@ public class GestureSettings extends SettingsPreferenceFragment implements
         return view;
     }
 
+    @Override
+    public void onStart() {
+        super.onStart();
+        for (GesturePreference preference : mPreferences) {
+            preference.onViewVisible();
+        }
+    }
+
     @Override
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         boolean enabled = (boolean) newValue;