Register Firebase

To register application with Firebase go here

Android: After have app Android in Firebase, you must add value SHA1 in this

Open Terminal for flutter_store_manager/android/ and run ./gradlew signReport

Get SHA1 and save in Add fingerprint in app Android in Firebase

Setting OAuth

1. You do need to enable the OAuth APIs that you want, using the Google Cloud Platform API manager. For example, if you want to mimic the behavior of the Google Sign-In sample app, you’ll need to enable the Google People API.
2. Make sure you’ve filled out all required fields in the console for OAuth consent screen. Otherwise, you may encounter APIException errors.

Run `flutter clean` before run app