I have a Login System implemented using Firebase Auth, But Whenever I Disable any user he/she can still be logged.
But When he/she log out and login him/her by thems
You can check FirebaseUser.reload() - Manually refreshes the data of the current user (for example, attached providers, display name, and so on).
FirebaseUser.reload()
FirebaseAuthInvalidUserException thrown if the current user's account has been disabled, deleted, or its credentials are no longer valid
FirebaseAuthInvalidUserException