NotificationChannel notificationChannel = new NotificationChannel
(NOTIFICATION_CHANNEL_ID, "Test Notifications", NotificationManager.IMPORTANCE_LOW);
//Configure the notification channel, NO SOUND
notificationChannel.setDescription("no sound");
notificationChannel.setSound(null,null); <---- ignore sound
notificationChannel.enableLights(false);
notificationChannel.setLightColor(Color.BLUE);
notificationChannel.enableVibration(false);
需要卸载app重新安装否则不生效
