Type Definitions

The following type definitions are available globally.

  • The type of block invoked when a request to update the current user is completed.

    Declaration

    Objective-C

    typedef void (^FIRUserUpdateCallback)(NSError *_Nullable)

  • The type of handle returned by FIRAuth.addAuthStateDidChangeListener:.

    Declaration

    Objective-C

    typedef id<NSObject> FIRAuthStateDidChangeListenerHandle

  • The type of block which can be registered as a listener for auth state did change events.

    Declaration

    Objective-C

    typedef void (^FIRAuthStateDidChangeListenerBlock)(FIRAuth *_Nonnull,
                                                   FIRUser *_Nullable)

    Parameters

    auth

    The FIRAuth object on which state changes occurred.
    user

    Optionally; the current signed in user, if any.

  • The type of handle returned by FIRAuth.addIDTokenDidChangeListener:.

    Declaration

    Objective-C

    typedef id<NSObject> FIRIDTokenDidChangeListenerHandle

  • The type of block which can be registered as a listener for ID token did change events.

    Declaration

    Objective-C

    typedef void (^FIRIDTokenDidChangeListenerBlock)(FIRAuth *_Nonnull,
                                                 FIRUser *_Nullable)

    Parameters

    auth

    The FIRAuth object on which ID token changes occurred.
    user

    Optionally; the current signed in user, if any.

  • The type of block invoked when sign-in related events complete.

    Declaration

    Objective-C

    typedef void (^FIRAuthDataResultCallback)(FIRAuthDataResult *_Nullable,
                                          NSError *_Nullable)

    Parameters

    authResult

    Optionally; Result of sign-in request containing both the user and the additional user info associated with the user.
    error

    Optionally; the error which occurred - or nil if the request was successful.

  • The type of block invoked when sign-in related events complete.

    Declaration

    Objective-C

    typedef void (^FIRAuthResultCallback)(FIRUser *_Nullable, NSError *_Nullable)

    Parameters

    user

    Optionally; the signed in user, if any.
    error

    Optionally; if an error occurs, this is the NSError object that describes the problem. Set to nil otherwise.

  • The type of block invoked when a list of identity providers for a given email address is requested.

    Declaration

    Objective-C

    typedef void (^FIRProviderQueryCallback)(NSArray<NSString *> *_Nullable,
                                         NSError *_Nullable)

    Parameters

    providers

    Optionally; a list of provider identifiers, if any.

    See

    FIRGoogleAuthProviderID etc.

    error

    Optionally; if an error occurs, this is the NSError object that describes the problem. Set to nil otherwise.

  • The type of block invoked when a list of sign-in methods for a given email address is requested.

    Declaration

    Objective-C

    typedef void (^FIRSignInMethodQueryCallback)(NSArray<NSString *> *_Nullable,
                                             NSError *_Nullable)

  • The type of block invoked when sending a password reset email.

    Declaration

    Objective-C

    typedef void (^FIRSendPasswordResetCallback)(NSError *_Nullable)

    Parameters

    error

    Optionally; if an error occurs, this is the NSError object that describes the problem. Set to nil otherwise.

  • The type of block invoked when sending an email sign-in link email.

    Declaration

    Objective-C

    typedef void (^FIRSendSignInLinkToEmailCallback)(NSError *_Nullable)