AppUIInstanceStateObservable

public protocol AppUIInstanceStateObservable : Observer

Observer of Application UI Instance state UI Instance is represented by UIScene (there could be multiple UIScene instances per iOS application) or UIApplication (there is a single instance of UIApplication class per iOS application).

Important

This is a Public Preview API. It may be changed or removed at any time.

  • Called when the UI instance is about to begin running in the foreground mode and become visible to the user. The method is called only regardless of the iOS application setup (with or without UIScenes).

    Declaration

    Swift

    func appUIInstanceWillEnterForeground()

  • Called when the UI instance is now onscreen and responding to user events. The method is called only regardless of the iOS application setup (with or without UIScenes).

    Declaration

    Swift

    func appUIInstanceDidBecomeActive()

  • Called when the UI instance has entered background mode and is no longer onscreen. The method is called only regardless of the iOS application setup (with or without UIScenes).

    Declaration

    Swift

    func appUIInstanceDidEnterBackground()

  • Called when the iOS application is about to terminate. The method is called only regardless of the iOS application setup (with or without UIScenes).

    Declaration

    Swift

    func applicationWillTerminate()
  • appUIInstanceWillConnect() Default implementation

    Indicates that UIKit added a scene to user app. The method is called only when user app is using scenes setup.

    Default Implementation

    Declaration

    Swift

    func appUIInstanceWillConnect()
  • appUIInstanceWillDeactivate() Default implementation

    Called when the UI instance (UIScene, UIApplication) is about to resign the active state and stop responding to user events.

    Default Implementation

    Declaration

    Swift

    func appUIInstanceWillDeactivate()
  • appUIInstanceDidDisconnect() Default implementation

    Indicates that UIKit removed a scene from your app.OnTrafficIncidentObservation The method is called only when user app is using scenes setup.

    Default Implementation

    Declaration

    Swift

    func appUIInstanceDidDisconnect()