visibleInterfaceController
Returns the last visible interface controller.
Declaration
var visibleInterfaceController: WKInterfaceController? { get }Discussion
Use this property to determine which interface controller is currently displayed by the app. For example, in the extension delegate’s handle(_:) method for a snapshot request, use this property to determine the user interface’s current contents, and make any changes before the snapshot is taken.
Or, when the app is launched due to a Handoff activity, use the handleUserActivity(_:) method’s userInfo dictionary to determine what to display. Then use the visibleInterfaceController property to determine whether to push or pop to a different interface controller.
This property contains the following values based on the app’s current state:
- Just launched
The app’s rootInterfaceController.
- Running in the foreground
The currently presented interface controller.
- Running in the background
The last interface controller presented by the app.