视图未覆盖全屏（编程故事板 Swift）

Question

在 Xcode 11 中，初始窗口现在在 SceneDelegate 中配置，这里是我的代码和图片上的结果：

func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {

     print("Scene willConnectTo.")
       guard let windowScene = (scene as? UIWindowScene) else { return }

    //  window =  UIWindow(frame: windowScene.coordinateSpace.bounds)
    window =  self.window ?? UIWindow()
     let mainView = ViewController()
    mainView.title = "TEST"
     let navigationController = UINavigationController()
    navigationController.viewControllers = [mainView]
    window?.backgroundColor = .red 
    window?.windowScene = windowScene
    window?.rootViewController = navigationController
    window?.makeKeyAndVisible()
}

谁能建议如何使视图覆盖所有屏幕？

Answer 1

确保您有 LaunchScreen 故事板。