public override void OnNotificationMessageArrived(Context context, MiPushMessage message)
 {
     if (!TextUtils.IsEmpty(message.Topic))
     {
         mTopic = message.Topic;
     }
     else if (!TextUtils.IsEmpty(message.Alias))
     {
         mAlias = message.Alias;
     }
 }
 public override void OnReceivePassThroughMessage(Context context, MiPushMessage message)
 {
     if (!TextUtils.IsEmpty(message.Topic))
     {
         mTopic = message.Topic;
     }
     else if (!TextUtils.IsEmpty(message.Alias))
     {
         mAlias = message.Alias;
     }
 }