Code-Only UI Demonstration: AppDelegate

AppDelegate.swift

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        //let splitViewController = self.window!.rootViewController as! UISplitViewController
        //splitViewController.delegate = self
        
        let window = UIWindow(frame: UIScreen.mainScreen().bounds)
        self.window = window
        window.rootViewController = MasterViewController()
        window.makeKeyAndVisible()
        
         return true
}