FirebaseApp not initializing despite FirebaseApp.initializeApp() being called in Application class

Question

I am creating an Android application and I\'m currently trying to implement user authentication using Firebase. As far as I can tell, my app is connected to my Firebase serv

Answer 1

First check up should be the Firebase documentation and the tools from

Android Studio -> Tools -> Firebase -> Cloud Messaging.

Even if you have done that before.

See this, that and that.

Again, even if you already done that before as firebase versions tend to require an up to date configuration JSON.