stateRestorationUserInterfaceIdiomKey
The user interface idiom that was in effect when your app created the restoration archive.
Declaration
class let stateRestorationUserInterfaceIdiomKey: StringDiscussion
The value of this key is an NSNumber object containing one of the values for the UIUserInterfaceIdiom enum. This value reflects whether the interface that was saved was targeting the iPad or iPhone idiom.
See Also
Managing app state restoration
application(_:shouldSaveSecureApplicationState:)application(_:shouldRestoreSecureApplicationState:)application(_:viewControllerWithRestorationIdentifierPath:coder:)application(_:willEncodeRestorableStateWith:)application(_:didDecodeRestorableStateWith:)stateRestorationBundleVersionKeystateRestorationSystemVersionKeystateRestorationTimestampKeystateRestorationViewControllerStoryboardKey