hi all,

i have a mediacontroller,
i have some questions:

1. the mediacontroller can't update the progressive bar
2. when i enter in the program,it will play my music but the
mediacontroller can't
    into play mode simultaneously
3. if i want to implement prev/next function,how can i write for this
function,i just know
    must to setup the mediacontroller.setPrevNextListeners
(View.OnClickListener next,
    View.OnClickListener prev),but don't know how to use it.

can somebody give me some advise?
thanks!

my code of mediacontroller is bellow:
===============================================
 /* MediaPlayerControl */
  private MediaController.MediaPlayerControl player_interface=new
  MediaController.MediaPlayerControl()
  {

        public int getBufferPercentage() {
                return buffer_percent;
        }

        public int getCurrentPosition() {
                return mMediaPlayer1.getCurrentPosition();
        }

        public int getDuration() {
                return mMediaPlayer1.getDuration();
        }

        public boolean isPlaying() {
                return PlayState;
        }

        public void pause() {
                if(mMediaPlayer1!=null)
                {
                        mMediaPlayer1.pause();
                }
                PlayState=false;
        }

        public void seekTo(int pos) {
                if(mMediaPlayer1!=null)
                {
                        mMediaPlayer1.seekTo(pos);
                }
        }

        public void start() {
                if(mMediaPlayer1!=null)
                {
                        mMediaPlayer1.start();
                }
                PlayState=true;
        }
}; /* end of MediaPlayerControl */
==============================================
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