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public class MyMessageService extends MappMessagingServiceMessageService {

    @Override
    public void onCreate() {
        super.onCreate();
    }
    
    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        if(remoteMessage.getData().containsKey("p")) {
            // handle Mapp push messages
            super.onMessageReceived(remoteMessage);
        }else{
            // handle your own push messages
        }
    }

    @Override
    public void onNewToken(String s) {
        super.onNewToken(s);
		// subscribe on your own service with firebase token
    }
}