Making the launch image display longer xcode

Question

I need help with launch images on iphone. In the project settings on xcode theres an option to add launch images. I added it and it displays for 2 seconds... I want it to be

Answer 1

In Swift

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        Thread.sleep(forTimeInterval: 2.0)
        return true
}