How does Xcode load the main storyboard?

Question

When I create a new single view application in Xcode 4.6 using storyboard, we can see that the main function creates a new application using the application delegate like th

Answer 1

Bit late to the party but you can get to the viewController from the window as shown below

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {

        var viewController = window?.rootViewController as? ViewController
        if let viewController = viewController {
            // do awesome stuff
        }

        return true
    }
}