既存アプリをiPadOSで複数Window対応/multi_windows_on_ipados

令和最初のDeveloper's Living 〜WWDC2019〜( https://lifull.connpass.com/event/135446/ )というイベントで登壇してきた内容です。
iPadOSで複数ウィンドウに対応する方法を発表しました。

Transcript

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   struct Profile {
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   let twitter = "@fromkk"
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   let qiita = "fromkk"
   let company = "Timers Inc."
   }
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   UIApplicationSceneManifest
   
   UISceneConfigurations
   
   UIWindowSceneSessionRoleApplication
   
   
   UISceneDelegateClassName
   $(PRODUCT_MODULE_NAME).SceneDelegate
   UISceneConfigurationName
   Default Configuration
   UILaunchStoryboardName
   LaunchScreen.storyboard
   
   
   
   UIApplicationSupportsMultipleScenes
   
   
   

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   @available (iOS 13.0, *)
   func application(_ application: UIApplication,
   configurationForConnecting connectingSceneSession: UISceneSession,
   options: UIScene.ConnectionOptions) -> UISceneConfiguration {
   return UISceneConfiguration(name: "Default Configuration”,
   sessionRole: connectingSceneSession.role)
   }
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    import UIKit
    @available(iOS 13.0, *)
    final class SceneDelegate: UIResponder, UIWindowSceneDelegate {
    var window: UIWindow?
    func scene(_ scene: UIScene,
    willConnectTo _: UISceneSession,
    options _: UIScene.ConnectionOptions) {
    let rootViewController = RootViewController()
    let window = UIWindow(windowScene: scene as! UIWindowScene)
    window.rootViewController = rootViewController
    window.backgroundColor = .systemBackground
    window.makeKeyAndVisible()
    self.window = window
    }
    }
    

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    import UIKit
    final class AppEventHandler {
    @available(iOS 13.0, *)
    func createWindow(with windowScene: UIWindowScene) -> UIWindow {
    let window = UIWindow(windowScene: windowScene)
    window.backgroundColor = UIColor.systemBackground
    configureRootViewController(for: window)
    return window
    }
    func createWindow() -> UIWindow {
    let window = UIWindow(frame: UIScreen.main.bounds)
    window.backgroundColor = .white
    configureRootViewController(for: window)
    return window
    }
    private func configureRootViewController(for window: UIWindow) {
    window.rootViewController = UIViewController()
    }
    func willEnterForeground() {}
    func didBecomeActive() {}
    func willResignActive() {}
    func didEnterBackground() {}
    }
    

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    import UIKit
    @available(iOS 13.0, *)
    class SceneDelegate: UIResponder, UIWindowSceneDelegate {
    var window: UIWindow?
    lazy var appEventHandler = AppEventHandler()
    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
    if let windowScene = scene as? UIWindowScene {
    window = appEventHandler.createWindow(with: windowScene)
    window?.makeKeyAndVisible()
    }
    }
    func sceneDidDisconnect(_ scene: UIScene) {}
    func sceneDidBecomeActive(_ scene: UIScene) {
    appEventHandler.didBecomeActive()
    }
    func sceneWillResignActive(_ scene: UIScene) {
    appEventHandler.willResignActive()
    }
    func sceneWillEnterForeground(_ scene: UIScene) {
    appEventHandler.willEnterForeground()
    }
    func sceneDidEnterBackground(_ scene: UIScene) {
    appEventHandler.didEnterBackground()
    }
    }
    

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    import UIKit
    @UIApplicationMain
    class AppDelegate: UIResponder, UIApplicationDelegate {
    var window: UIWindow?
    lazy var appEventHandler = AppEventHandler()
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    if #available(iOS 13.0, *) {} else {
    window = appEventHandler.createWindow()
    window?.makeKeyAndVisible()
    }
    return true
    }
    func applicationWillTerminate(_ application: UIApplication) {}
    func applicationWillEnterForeground(_ application: UIApplication) {
    if #available(iOS 13.0, *) {} else {
    appEventHandler.willEnterForeground()
    }
    }
    func applicationDidBecomeActive(_ application: UIApplication) {
    if #available(iOS 13.0, *) {} else {
    appEventHandler.didBecomeActive()
    }
    }
    func applicationWillResignActive(_ application: UIApplication) {
    if #available(iOS 13.0, *) {} else {
    appEventHandler.willResignActive()
    }
    }
    func applicationDidEnterBackground(_ application: UIApplication) {
    if #available(iOS 13.0, *) {} else {
    appEventHandler.didEnterBackground()
    }
    }
    // MARK: UISceneSession Lifecycle
    @available(iOS 13.0, *)
    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
    return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }
    @available(iOS 13.0, *)
    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set) {}
    }
    

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21. • αʔόʔαΠυΤϯδχΞ (PHP, Golang, AWS)
    • AndroidΤϯδχΞ (Kotlin)
    • iOSΤϯδχΞ (Swift)
    TimersͰ͸ݱࡏΤϯδχΞશ৬छ࠾༻தʂ

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