AppDelegate

AppDelegate 기본 코드

코드로 작성시

  func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

        window = UIWindow(frame: UIScreen.main.bounds)
        window?.backgroundColor = .white
        window?.rootViewController = ViewController()
        window?.makeKeyAndVisible()

        return true
    }