android - remoteMessage.getMessageType returns null in onMessageReceived -

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public class firebasemessagingservice extends com.google.firebase.messaging.firebasemessagingservice{      string tag = "firebasemessagingservice";     @override     public void onmessagereceived(remotemessage remotemessage){          log.i(tag," input string :"+ string.valueof(remotemessage.getdata()));         /**          * parse remote input , pass id, action, frequency , payload eventhandler.          * **/          string messagetype = remotemessage.getmessagetype();// messagetype null         if(messagetype.equalsignorecase("data")){             log.i(tag, " data notification received");         }         else if(messagetype.equalsignorecase("notification")){             log.i(tag, " push notification received");         } }

i'm not sure getmessagetype() supposed return. seem unlikely returns either data or notification, since a single message can contain both notification , data information.


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