import UIKit class SceneDelegate: UIResponder, UIWindowSceneDelegate { var window: UIWindow? func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options: UIScene.ConnectionOptions) { guard let ws = scene as? UIWindowScene else { return } ws.sizeRestrictions?.minimumSize = CGSize(width: 900, height: 600) ws.sizeRestrictions?.maximumSize = CGSize(width: 99999, height: 99999) } }