stopActivity.swift

override func viewDidDisappear(_ animated: Bool) {
    super.viewDidDisappear(animated)

    CLSDataStore.shared.mainAppContext.descendant(matchingIdentifierPath: [game.identifier]) { context, _ in
                                                                                              
        guard let activity = context?.currentActivity else { return }

        activity.stop()
        context?.resignActive()

        CLSDataStore.shared.save()
    }
}