48     private MediaController.TransportControls mTransportControls;  field in QueueFragment
66             mTransportControls = mMediaController.getTransportControls();
91             mTransportControls = null;
158                 mTransportControls.skipToQueueItem(item.getQueueId());  in onCreateView()
273         if (mTransportControls != null) {  in playMedia()
274             mTransportControls.play();  in playMedia()
279         if (mTransportControls != null) {  in pauseMedia()
280             mTransportControls.pause();  in pauseMedia()
285         if (mTransportControls != null) {  in skipToPrevious()
286             mTransportControls.skipToPrevious();  in skipToPrevious()
291         if (mTransportControls != null) {  in skipToNext()
292             mTransportControls.skipToNext();  in skipToNext()