Make IJK support default_artwork

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

@@ -19,6 +19,7 @@
         <item name="use_artwork">true</item>
         <item name="use_controller">false</item>
         <item name="animation_enabled">false</item>
+        <item name="default_artwork">@drawable/radio</item>
     </style>
 
     <style name="Player.Vod">

ijkplayer/src/main/java/tv/danmaku/ijk/media/player/ui/IjkVideoView.java

@@ -104,6 +104,7 @@ public class IjkVideoView extends FrameLayout implements MediaController.MediaPl
     private void initAttr(Context context, AttributeSet attrs, int defStyleAttr) {
         TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.IjkVideoView, defStyleAttr, 0);
         try {
+            mDefaultArtwork = context.getDrawable(a.getResourceId(R.styleable.IjkVideoView_default_artwork, 0));
             mKeepContentOnPlayerReset = a.getBoolean(R.styleable.IjkVideoView_keep_content_on_player_reset, mKeepContentOnPlayerReset);
         } finally {
             a.recycle();
@@ -366,6 +367,7 @@ public class IjkVideoView extends FrameLayout implements MediaController.MediaPl
                 mSubtitleView.setText("");
                 mPlayer.selectTrack(index);
                 if (position != 0) seekTo(position);
+                updateForCurrentTrackSelections();
             }
         }
     }
@@ -381,6 +383,7 @@ public class IjkVideoView extends FrameLayout implements MediaController.MediaPl
                 mSubtitleView.setText("");
                 mPlayer.deselectTrack(track);
                 if (position != 0) seekTo(position);
+                updateForCurrentTrackSelections();
             }
         }
     }

ijkplayer/src/main/res/values/attrs.xml

@@ -2,9 +2,11 @@
 <resources>
 
     <attr name="keep_content_on_player_reset" format="boolean" />
+    <attr name="default_artwork" format="reference"/>
 
     <declare-styleable name="IjkVideoView">
         <attr name="keep_content_on_player_reset" />
+        <attr name="default_artwork"/>
     </declare-styleable>
 
 </resources>