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:

Finally, call getCurrentUser() to get a FirebaseUser object, which contains information about the signed-in user.

Nested Class Summary

interface	FirebaseAuth.AuthStateListener		Listener called when there is a change in the authentication state.
interface	FirebaseAuth.IdTokenListener		Listener called when the id token is changed.

Public Method Summary

void	addAuthStateListener(FirebaseAuth.AuthStateListener listener) Registers a listener to changes in the user authentication state.
void	addIdTokenListener(FirebaseAuth.IdTokenListener listener) Registers a listener to changes in the token authentication state.
Task<Void>	applyActionCode(String code) Applies the given `code`, which can be any out of band code which is valid according to `checkActionCode(String)` that does not also pass `verifyPasswordResetCode(String)`, which requires an additional parameter.
Task<ActionCodeResult>	checkActionCode(String code) Checks that the `code` given is valid.
Task<Void>	confirmPasswordReset(String code, String newPassword) Changes the user's password to `newPassword` for the account for which the `code` is valid.
Task<AuthResult>	createUserWithEmailAndPassword(String email, String password) Tries to create a new user account with the given email address and password.
Task<SignInMethodQueryResult>	fetchSignInMethodsForEmail(String email) Returns a list of signin methods that can be used to sign in a given user (identified by its main email address).
FirebaseApp	getApp() Returns the `FirebaseApp` instance to which this `FirebaseAuth` belongs.
FirebaseUser	getCurrentUser() Returns the currently signed-in `FirebaseUser` or null if there is none.
FirebaseAuthSettings	getFirebaseAuthSettings() Returns the `FirebaseAuthSettings` instance for this `FirebaseAuth` instance.
static FirebaseAuth	getInstance() Returns an instance of this class corresponding to the default `FirebaseApp` instance.
static FirebaseAuth	getInstance(FirebaseApp firebaseApp) Returns an instance of this class corresponding to the given `FirebaseApp` instance.
String	getLanguageCode() Returns the language code set in `setLanguageCode(String)`.
Task<AuthResult>	getPendingAuthResult() Returns a `Task` wrapping an `AuthResult`.
boolean	isSignInWithEmailLink(String link) Determines if the given link is a link intended for use with `getCredentialWithLink(String, String)`.
void	removeAuthStateListener(FirebaseAuth.AuthStateListener listener) Unregisters a listener to authentication changes.
void	removeIdTokenListener(FirebaseAuth.IdTokenListener listener) Unregisters a listener to authentication changes.
Task<Void>	sendPasswordResetEmail(String email, ActionCodeSettings actionCodeSettings) Triggers the Firebase Authentication backend to send a password-reset email to the given email address, which must correspond to an existing user of your app.
Task<Void>	sendPasswordResetEmail(String email) Calls `sendPasswordResetEmail(String, ActionCodeSettings)` without any ActionCodeSettings.
Task<Void>	sendSignInLinkToEmail(String email, ActionCodeSettings actionCodeSettings) Sends an email to the specified email which will contain a link to be used to sign in the user.
Task<Void>	setFirebaseUIVersion(String firebaseUIVersion) For internal use in FirebaseUI only.
void	setLanguageCode(String languageCode) Sets the user-facing language code for auth operations that can be internationalized, such as `sendEmailVerification()`.
Task<AuthResult>	signInAnonymously() Signs in the user anonymously without requiring any credential.
Task<AuthResult>	signInWithCredential(AuthCredential credential) Tries to sign in a user with the given `AuthCredential`.
Task<AuthResult>	signInWithCustomToken(String token) Tries to sign in a user with a given Custom Token.
Task<AuthResult>	signInWithEmailAndPassword(String email, String password) Tries to sign in a user with the given email address and password.
Task<AuthResult>	signInWithEmailLink(String email,