播放声音

         /* 播放提示音 */
         /* 创建MediaPlayer对象 */
         MediaPlayer mMediaPlayer01 = new MediaPlayer();
      /* 将音乐以Import的方式存储在res/raw/always.mp3 */
      mMediaPlayer01 = MediaPlayer.create(context, org.androidpn.demoapp.R.raw.big);
      mMediaPlayer01.start() ;