Firebase: How to keep an Android user logged in?

Question

I\'m using Firebase SimpleLogin to enable Email / Password authentication. Creation of users and subsequent login is all working fine. However, whenever I leave the app (even if

Answer 1

The proper way to do it is to use oAuth authentication:

1. The user logs in.
2. You generate an access token(oAuth2).
3. Android app saves the token locally.
4. Each time the comes back to the auth, he can use the token to to log in, unless the token has been revoked by you, or he changed his
password.

Luckily, firebase has an out of the box support for that, docs:

https://www.firebase.com/docs/security/custom-login.html https://www.firebase.com/docs/security/authentication.html