Looking for logging into the Firebase Flutter site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Firebase Flutter site. After that you can login as usual with your login credentials.
https://medium.com/flutterpub/flutter-how-to-do-user-login-with-firebase-a6af760b14d5
https://flutterdoc.com/mobileauthenticating-users-with-firebase-and-flutter-240c5557ac7f
https://www.youtube.com/watch%3Fv%3Du_Lyx8KJWpg
https://www.youtube.com/watch%3Fv%3D13-jNF984C0
https://pub.dartlang.org/packages/firebase_auth
https://github.com/bizz84/firebase-login-flutter
https://github.com/flutter/plugins/tree/master/packages/firebase_auth
https://bendyworks.com/blog/a-month-of-flutter-configure-sign-in-with-google-android
https://firebase.google.com/docs/flutter/setup
https://stackoverflow.com/questions/45353730/firebase-login-with-flutter-using-onauthstatechanged
https://flutter.institute/firebase-signin/
https://flutterbyexample.com/firebase-log-in-middleware/
https://codelabs.developers.google.com/codelabs/flutter-firebase/