public void sendPlayStateBrocast()     
 {
  
  if (mContext != 
null)
  {
   Intent intent = new 
Intent(BROCAST_NAME);
   intent.putExtra(MusicPlayState.PLAY_STATE_NAME, 
mPlayState);
   intent.putExtra(MusicPlayState.PLAY_MUSIC_INDEX, 
mCurPlayIndex);
   
   if (mPlayState != 
MusicPlayState.MPS_NOFILE)
   {
    Bundle 
bundle = new Bundle(); 
    MusicData data = 
mMusicFileList.get(mCurPlayIndex);
    
    bundle.putParcelable(MusicData.KEY_MUSIC_DATA, 
data); 
    intent.putExtra(MusicData.KEY_MUSIC_DATA, 
bundle);
   }
   
  
   mContext.sendBroadcast(intent);
  }
  
  
 }
原文:http://www.cnblogs.com/profession/p/3695783.html