in AppSyncRTCSample/SceneDelegate.swift [16:37]
func scene(
_ scene: UIScene,
willConnectTo session: UISceneSession,
options connectionOptions: UIScene.ConnectionOptions
) {
// Use this method to optionally configure and attach the UIWindow `window` to the
// provided UIWindowScene `scene`. If using a storyboard, the `window` property
// will automatically be initialized and attached to the scene. This delegate does
// not imply the connecting scene or session are new (see
// `application:configurationForConnectingSceneSession` instead).
// Create the SwiftUI view that provides the window contents.
let contentView = ContentView()
// Use a UIHostingController as window root view controller.
if let windowScene = scene as? UIWindowScene {
let window = UIWindow(windowScene: windowScene)
window.rootViewController = UIHostingController(rootView: contentView)
self.window = window
window.makeKeyAndVisible()
}
}