Make sure your desired app bundle identifiers are set before setting up firebase.
Firebase is necessary to be set up if you want analytics, planning to support push notifications and other diagnostic related data.
It is good to have signing keys setup before setting firebase project. So you can generate SHA keys and add them to firebase project configurations.
Android setup (mandatory)
https://firebase.google.com/docs/android/setup
iOS setup (mandatory)
https://firebase.google.com/docs/ios/setup
App setup (mandatory)
After acquiring the json and plist for both platforms. Place them at following places:
-
Android:
Project_HOME > android > app > google-services.json -
iOS:
Project_HOME > ios > Runner > GoogleServices-Info.plist