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.VMUJQMF8JOEPXT ʜͳʹͦΕ͓͍͍͠ͷʁ

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"QQ%FMFHBUF͔Β4DFOF%FMFHBUF΁Ҿͬӽ͠ func applicationWillResignActive(_ application: UIApplication) { // Sent when the application is about to move from active to inactive state. // This can occur for certain types of temporary interruptions (such as an // incoming phone call or SMS message) or when the user quits the application // and it begins the transition to the background state. // Use this method to pause ongoing tasks, disable timers, and invalidate // graphics rendering callbacks. Games should use this method to pause the game. } func applicationDidEnterBackground(_ application: UIApplication) { // Use this method to release shared resources, save user data, invalidate // timers, and store enough application state information to restore your // application to its current state in case it is terminated later. // If your application supports background execution, this method is called // instead of applicationWillTerminate: when the user quits. } func applicationWillEnterForeground(_ application: UIApplication) { ... var window: UIWindow?

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͜Ε͚ͩͰ࠷௿ݶͷಈ࡞͸͢Δʂ

γʔϯΛબΜͩͷʹʜʜʂʁ ݪҼ γʔϯͷঢ়ଶΛอଘ ͍ͯ͠ͳ͍͔Β

4UFQ γʔϯঢ়ଶͷอଘͳΒ ΦϨʹ೚ͤΖ

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υϥοάͷ։࢝ class SessionListViewController: UITableViewController { ... override func viewDidLoad() { super.viewDidLoad() tableView.dragDelegate = self ... } ... } extension SessionListViewController: UITableViewDragDelegate { func tableView(_ tableView: UITableView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] { let session = sessions[indexPath.row] let userActivity = NSUserActivity(activityType: "com.hironytic.Sessions.SessionDetail") userActivity.userInfo = [ "sessionId": session.id ] let itemProvider = NSItemProvider(object: userActivity) let dragItem = UIDragItem(itemProvider: itemProvider) return [dragItem] } } 4FTTJPO-JTU7JFX$POUSPMMFSʢҰཡը໘ʣ

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)*(ʹ΋ॻ͔Ε͍ͯΔ Use a Done or Close button in an auxiliary window. When a primary window displays a document, the window typically includes a Back button that lets people navigate to a parent view. In contrast, when an auxiliary window displays a document, the Back button should be replaced with a Done or Close button, because people expect to close an auxiliary window when they're finished working in it. IUUQTEFWFMPQFSBQQMFDPNEFTJHOIVNBOJOUFSGBDFHVJEFMJOFTJPTTZTUFNDBQBCJMJUJFTNVMUJQMFXJOEPXT

/46TFS"DUJWJUZʹϑϥάΛ࣋ͨͤΔ extension SessionListViewController: UITableViewDragDelegate { func tableView(_ tableView: UITableView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] { let session = sessions[indexPath.row] let userActivity = NSUserActivity(activityType: "com.hironytic.Sessions.SessionDetail") userActivity.userInfo = [ "sessionId": session.id, "isAuxiliary": true, ] let itemProvider = NSItemProvider(object: userActivity) let dragItem = UIDragItem(itemProvider: itemProvider) return [dragItem] } } 4FTTJPO-JTU7JFX$POUSPMMFSʢҰཡը໘ʣ

ৄࡉը໘ͷ7JFX$POUSPMMFS·ͰҾ͖౉͢ func setupViewController(with activity: NSUserActivity) { guard activity.activityType == "com.hironytic.Sessions.SessionDetail" else { return } guard let sessionId = activity.userInfo?["sessionId"] as? String else { return } guard let navigationController = window?.rootViewController as? UINavigationController else { return } let isAuxiliary = activity.userInfo?["isAuxiliary"] as? Bool ?? false let detailVc = SessionDetailViewController.instantiate(sessionId: sessionId, isAuxiliary: isAuxiliary) navigationController.pushViewController(detailVc, animated: false) } 4DFOF%FMFHBUF

ϑϥάΛݟͯࠨ্ͷϘλϯΛมߋ override func viewDidLoad() { super.viewDidLoad() if isAuxiliary { let closeItem = UIBarButtonItem(title: "Close", style: .plain, target: self, action: #selector(closeButtonDidTap(_:))) navigationItem.leftBarButtonItem = closeItem } ... } 4FTTJPO%FUBJM7JFX$POUSPMMFSʢৄࡉը໘ʣ override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) let userActivity = NSUserActivity(activityType: "com.hironytic.Sessions.SessionDetail") userActivity.userInfo = [ "sessionId": sessionId, "isAuxiliary": isAuxiliary, ] view.window?.windowScene?.userActivity = userActivity } ঢ়ଶอଘͷํʹ΋ ϑϥάΛ௥Ճɹˠ

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