/** * Helper to switch to a different Playback instance * * @param playback switch to this playback */ private void switchToPlayer(Playback playback, boolean resumePlaying) { if (playback == null) { throw new IllegalArgumentException("Playback cannot be null"); } // suspend the current one. int oldState = mPlayback.getState(); int pos = mPlayback.getCurrentStreamPosition(); String currentMediaId = mPlayback.getCurrentMediaId(); LogHelper.d(TAG, "Current position from " + playback + " is ", pos); mPlayback.stop(false); playback.setCallback(this); playback.setCurrentStreamPosition(pos < 0 ? 0 : pos); playback.setCurrentMediaId(currentMediaId); playback.start(); // finally swap the instance mPlayback = playback; switch (oldState) { case PlaybackState.STATE_BUFFERING: case PlaybackState.STATE_CONNECTING: case PlaybackState.STATE_PAUSED: mPlayback.pause(); break; case PlaybackState.STATE_PLAYING: if (resumePlaying && QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) { mPlayback.play(mPlayingQueue.get(mCurrentIndexOnQueue)); } else if (!resumePlaying) { mPlayback.pause(); } else { mPlayback.stop(true); } break; case PlaybackState.STATE_NONE: break; default: LogHelper.d(TAG, "Default called. Old state is ", oldState); } }