Manages the Identity Toolkit user interface logic.
Returns a UIViewController for account management.
This method only pops up to the last UIViewController pushed by pushViewController:. If there is no UIViewController left, this method does nothing.
Presents the given UIViewController on top of the controller stack.
viewController A UIViewController that should be displayed.
Dismisses all presented view controllers.
Call this method when the authentication process is completed or cancelled by the user.
animated Whether the UI must be dismissed with an animation.
An optional delegate that can be used to customize the UI.
Most apps should leave this as nil unless custom UI is needed. If nil, a default implementation of the UI will be used.