What is FirebaseAuth?

public abstract class FirebaseAuth extends Object . The entry point of the Firebase Authentication SDK . First, obtain an instance of this class by calling getInstance() . Then, sign up or sign in a user with one of the following methods: createUserWithEmailAndPassword(String, String)

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Where are Firebase users?

The user data for firebase authentication is stored in firebaseLocalStorageDb in IndexedDB . After login to website, if you delete firebaseLocalStorageDb , the login user data for firebase authentication is all deleted so you need to log in website again.

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