Attempt to invoke virtual method com.google.firebase.iid.FirebaseInstanceId.getInstanceId()' on a null object reference

Question

I am to using firebase-messaging library and trying to fetch the token using below method on app launch.

FirebaseInstanceId.getInstance().getInstance         


        

Answer 1

You need add the below packages,

1. Xamarin.Firebase.Lid
2. Xamarin.Firebase.Messaging
3. Xamarin.Firebase.Common

Optional - Xamarin.Firebase.Analytics (For analytics)