fix: player being destroyed when skipping track

Author: vinz243

app/src/main/java/io/compactd/player/service/MediaPlayerService.java

@@ -624,6 +624,7 @@ public void nextTrack () {
     }
 
     public CompactdTrack getCurrentTrack() {
+
         if (playlist.isEmpty()) return null;
         return playlist.get(position);
     }
@@ -740,10 +741,15 @@ public void onBufferingUpdate(MediaPlayer mediaPlayer, int i) {
     public void onCompletion(MediaPlayer mediaPlayer) {
         Log.d(TAG, "onCompletion: " + mediaPlayer);
         stopMedia();
-        stopSelf();
+        if (position >= playlist.size()) {
+            stopSelf();
 
-        firePlayerDestroyed();
-        playerReady = false;
+            firePlayerDestroyed();
+            playerReady = false;
+        } else {
+            position = position + 1;
+            updatePlaylist();
+        }
     }
 
     @Override

app/src/main/java/io/compactd/player/ui/activities/SlidingMusicActivity.java

@@ -6,6 +6,7 @@
 import android.os.Handler;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
 import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
@@ -133,6 +134,7 @@ protected void onResume() {
         remote.addPlaybackListener(this);
 
         if (remote.isPlaying()) {
+            showPlayer();
             onMediaLoaded(remote.getCurrent());
         } else {
             hidePlayer();
@@ -145,11 +147,19 @@ protected void onDestroy() {
     }
 
     void hidePlayer ()  {
+        Log.d(TAG, "hidePlayer: ");
+        new Throwable().printStackTrace();
+        SlidingUpPanelLayout.PanelState state = panelLayout.getPanelState();
         panelLayout.setPanelState(SlidingUpPanelLayout.PanelState.HIDDEN);
     }
 
     void showPlayer () {
-        panelLayout.setPanelState(SlidingUpPanelLayout.PanelState.COLLAPSED);
+        Log.d(TAG, "showPlayer: ");
+        new Throwable().printStackTrace();
+        SlidingUpPanelLayout.PanelState state = panelLayout.getPanelState();
+        if (state == SlidingUpPanelLayout.PanelState.HIDDEN) {
+            panelLayout.setPanelState(SlidingUpPanelLayout.PanelState.COLLAPSED);
+        }
     }
 
     @Override