When you create an iOS 13 project in Xcode 11 use single view app template, you will find Xcode 11 add a SceneDelegate.swift file automatically besides the AppDelegate.swift file. It define a SceneDelegate class in the SceneDelegate.swift file, and this class takes over some UI life cycle functions which is implemented by AppDelegate class before. …
Swift Xcode 11 iOS 13 Scene Delegate Life Cycle Example Read More »
When i follow article How To Create A Swift App Without Storyboard to learn how to create an iOS app without using storyboard, after i remove the Main.storyboard file and run it. I meet error message like this Could not find a storyboard named ‘Main’ in bundle NSBundle, below is the full error messages.
When using Xcode 11 to create a new iOS project, if you still create the root view controller in AppDelegate class’s – func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool function as usual, you will find there is a compile time error which said Value of type ‘AppDelegate’ has no member ‘window’. And …
How To Set Application Root View Controller Programmatically In Xcode 11 Read More »
