播放系统铃音 android

		MediaPlayer mMediaPlayer = MediaPlayer.create(mContext,
				RingtoneManager.getActualDefaultRingtoneUri(mContext,RingtoneManager.TYPE_RINGTONE));
		mMediaPlayer.setLooping(false);
		mMediaPlayer.start();


或者


Uri mediaUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
		MediaPlayer mMediaPlayer = MediaPlayer.create(mContext,
				mediaUri);		
		mMediaPlayer.setLooping(false);
		mMediaPlayer.start();