震下手机

/*  * 根据客户设置是否震动 * private Vibrator vibrator;  * vibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE); * PublicUtil.vibrator(this, vibrator);* /	public static void vibrator(Context context, Vibrator vibrator) {		SharedPreferences preferences = context.getSharedPreferences(				SYSTEM_SETTINGS, Context.MODE_PRIVATE);		boolean openVibrator = preferences.getBoolean("openVibrate", true);		if (!openVibrator)			return;		vibrator.vibrate(500);//震动0.5s	}

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