code: @Override
    public void onNotificationMessageArrived(Context context, com.xiaomi.mipush.sdk.MiPushMessage miPushMessage) {
      if (null != miPushMessage) {
        String content = miPushMessage.getContent();
        if (!StringUtil.isEmpty(content)) {
          AndroidNotificationManager androidNotificationManager = AndroidNotificationManager.getInstance();
          androidNotificationManager.porcessMixNotificationArrived(content, AV_MIXPUSH_MI_NOTIFICATION_ARRIVED_ACTION);
        }
      }
    }
docs: 通知栏消息到达事件
  @param context
  @param miPushMessage