minSdkVersion 21
targetSdkVersion 25

NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(activity)
            .setPriority(Notification.PRIORITY_MAX)
            .setAutoCancel(true);
notificationBuilder.setVibrate(new long[0]);
((NotificationManager) activity.getSystemService(Context.NOTIFICATION_SERVICE))
            .notify(9999, notificationBuilder.build());