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