code: public void porcessMixNotificationArrived(String message, String action) {
      if (!StringUtil.isEmpty(message) && !StringUtil.isEmpty(action)) {
        String channel = getChannel(message);
        if (channel == null || !containsDefaultPushCallback(channel)) {
          channel = AVOSCloud.getApplicationId();
        }
  
        sendNotificationBroadcast(channel, message, action);
      }
    }
docs: 处理混合推送到达事件（暂只支持小米）
  @param message
  @param action