mt6735 如何使会议模式下，将闹钟的响铃提示改为震动提示

[DESCRIPTION]
设置-情景模式-会议，开启一个闹钟，等闹钟时间到时，仍然是响铃提示，如何将其修改为震动而不响铃?
[SOLUTION]
修改packages\apps\DeskClock\src\com\android\deskclock\alARMs\AlarmKlaxon.Java 文件中，
将startAlarm(...)修改为如下：
private static void startAlarm(Context context, MediaPlayer player) throws IOException
{
Log.v("startAlarm, check StreamVolume and requestAudioFocus");
AudioManager audioManager = (AudioManager)
context.getSystEMService(Context.AUDIO_SERVICE);
// do not play alarms if stream volume is 0 (typically because ringer mode is silent).
if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) ！= 0) {
if(audioManager.getStreamVolume(AudioManager.STREAM_RING) ！= 0){
player.setAudioStreamType(AudioManager.STREAM_ALARM);
player.setLooping(true);
player.prepare();
audioManager.requestAudioFocus(null,
AudioManager.STREAM_ALARM, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT);
player.start();
Log.d("Play successful, StreamVolume ！= 0");
}
// add start
else{
boolean bShouldVibrate = false;
bShouldVibrate = audioManager.shouldVibrate(AudioManager.VIBRATE_TYPE_RINGER);
if (bShouldVibrate) {
Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
if (vibrator ！= null) {
Log.v("vibrator starts,and vibrates:" );
vibrator.vibrate(VIBRATE_PATTERN, 0);
}
}
}
// add end
}
}

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