131      private List<MediaSession.QueueItem> mPlayingQueue;  field in MusicService
149          mPlayingQueue = new ArrayList<>();  in onCreate()
327              if (mPlayingQueue == null || mPlayingQueue.isEmpty()) {  in onPlay()
328                  mPlayingQueue = QueueHelper.getRandomQueue(mMusicProvider);  in onPlay()
329                  mSession.setQueue(mPlayingQueue);  in onPlay()
335              if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {  in onPlay()
344              if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {  in onSkipToQueueItem()
346                  mCurrentIndexOnQueue = QueueHelper.getMusicIndexOnQueue(mPlayingQueue, queueId);  in onSkipToQueueItem()
367              mPlayingQueue = QueueHelper.getPlayingQueue(mediaId, mMusicProvider);  in onPlayFromMediaId()
368              mSession.setQueue(mPlayingQueue);  in onPlayFromMediaId()
373              if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {  in onPlayFromMediaId()
375                  mCurrentIndexOnQueue = QueueHelper.getMusicIndexOnQueue(mPlayingQueue, mediaId);  in onPlayFromMediaId()
403              if (mPlayingQueue != null && mCurrentIndexOnQueue >= mPlayingQueue.size()) {  in onSkipToNext()
408              if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {  in onSkipToNext()
413                          (mPlayingQueue == null ? "null" : mPlayingQueue.size()));  in onSkipToNext()
422              if (mPlayingQueue != null && mCurrentIndexOnQueue < 0) {  in onSkipToPrevious()
427              if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {  in onSkipToPrevious()
432                          (mPlayingQueue == null ? "null" : mPlayingQueue.size()));  in onSkipToPrevious()
462                  mPlayingQueue = QueueHelper.getRandomQueue(mMusicProvider);  in onPlayFromSearch()
464                  mPlayingQueue = QueueHelper.getPlayingQueueFromSearch(query, mMusicProvider);  in onPlayFromSearch()
467              LogHelper.d(TAG, "playFromSearch  playqueue.length=" + mPlayingQueue.size());  in onPlayFromSearch()
468              mSession.setQueue(mPlayingQueue);  in onPlayFromSearch()
470              if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {  in onPlayFromSearch()
502          if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {  in handlePlayRequest()
504              mPlayback.play(mPlayingQueue.get(mCurrentIndexOnQueue));  in handlePlayRequest()
537          if (!QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {  in updateMetadata()
542          MediaSession.QueueItem queueItem = mPlayingQueue.get(mCurrentIndexOnQueue);  in updateMetadata()
571                      MediaSession.QueueItem queueItem = mPlayingQueue.get(mCurrentIndexOnQueue);  in updateMetadata()
627          if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {  in updatePlaybackState()
628              MediaSession.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);  in updatePlaybackState()
658          if (mPlayingQueue == null || mPlayingQueue.isEmpty()) {  in getAvailableActions()
667          if (mCurrentIndexOnQueue < mPlayingQueue.size() - 1) {  in getAvailableActions()
674          if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {  in getCurrentPlayingMusic()
675              MediaSession.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);  in getCurrentPlayingMusic()
693          if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {  in onCompletion()
696              if (mCurrentIndexOnQueue >= mPlayingQueue.size()) {  in onCompletion()