Looking for logging into the Firebase Android 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 Android site. After that you can login as usual with your login credentials.
https://firebase.google.com/docs/auth/android/google-signin?hl=es-419
https://firebase.google.com/docs/auth/android/custom-auth?hl=es-419
https://www.youtube.com/watch?v=rPzHPNOt7Js
https://www.youtube.com/watch?v=lEacPYUB9cc
https://www.youtube.com/watch?v=jdeow7HrbuM
https://www.youtube.com/watch?v=UJk5KwpvKyM
https://www.youtube.com/watch?v=N6HBStmDkMQ
https://www.androidhive.info/2016/06/android-getting-started-firebase-simple-login-registration-auth/
https://www.androidhire.com/google-login-and-registration-for-android-using-firebase/
https://stackoverflow.com/questions/38868873/google-sign-in-with-firebase-android
https://medium.com/mobiletech/firebase-authentication-sample-371b5940ba93
https://github.com/googlearchive/firebase-login-demo-android
https://www.javatpoint.com/android-firebase-authentication-google-login