android在线音乐播放器完整项目 public void openPlaylist(Playlist playlist) { if(!playlist.isEmpty()) mPlaylist = playlist; else mPlaylist = null; } @Override public void pause() { if(mCurrentMediaPlayer != null){ // still preparing if(mCurrentMediaPlayer.preparing){ mCurrentMediaPlayer.playAfterPrepare = false; return; } // check if we play, then pause if(mCurrentMediaPlayer.isPlaying()){ mCurrentMediaPlayer.pause(); if(mPlayerEngineListener != null) mPlayerEngineListener.onTrackPause(); return; } } }