android播放音乐示例(6)

        });   
    }   
       
    /*<----------------------------------------------------------------->*/   
       
    public boolean onKeyDown(int keyCode, KeyEvent event)   
    {   
        if ( keyCode ==  KeyEvent.KEYCODE_BACK)   
        {   
            mMediaPlayer.stop();   
            mMediaPlayer.release();   
            this.finish();   
            return true;   
        }   
        return super.onKeyDown(keyCode, event);   
    }   
       
       
    @Override   
    /* 当我们点击列表时，播放被点击的音乐 */   
    protected void onListItemClick(ListView l, View v, int position, long id)   
    {   
        currentListItme = position;   
        playMusic(MUSIC_PATH + mMusicList.get(position));   
    }   
   
   
    /* 播放列表 */   
    public void musicList()   
    {   
        //取得指定位置的文件设置显示到播放列表   
        File home = new File(MUSIC_PATH);   
        if (home.listFiles(new MusicFilter()).length > 0)   
        {   
            for (File file : home.listFiles(new MusicFilter()))   
            {   
                mMusicList.add(file.getName());   
            }