[ios] iOS 7 - Failing to instantiate default view controller

Using Interface Builder :

Check if 'Is initial view controller' is set. You can set it using below steps :

  1. Select your view controller (which is to be appeared as initial screen).
  2. Select Attribute inspector from Utilities window.
  3. Select 'Is Initial View Controller' from View Controller section (if not).

If you have done this step and still getting error then uncheck and do it again.

Steps to solve problem

Using programmatically :

Objective-C :

        self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
        UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];

        UIViewController *viewController = [storyboard instantiateViewControllerWithIdentifier:@"HomeViewController"]; // <storyboard id>

        self.window.rootViewController = viewController;
        [self.window makeKeyAndVisible];

        return YES;

Swift :

        self.window = UIWindow(frame: UIScreen.mainScreen().bounds)
        let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)

        var objMainViewController: MainViewController = mainStoryboard.instantiateViewControllerWithIdentifier("MainController") as! MainViewController

        self.window?.rootViewController = objMainViewController

        self.window?.makeKeyAndVisible()

        return true

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