my UINavigatioBar is not on the top of view - programmatically

Question

I am creating a UINavigationBar using the following,

    UINavigationController *navigationController = [[UINavigationController alloc] init];
    [view addSubview: navigationController.view];

How come it shows up like this?

_{(source: gyazo.com)}

I want it to be on the top of the view but there is space there, why?

Thanks.

Answer 1

You are not creating things correctly. You should create your view controller, then create a navigation controller, passing the view controller as the nav controller's root controller. Then you make the nav controller the app's root controller.

UIViewController *vc = ... // create your view controller
UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:vc];
window.rootViewController = nc;

The code you posted does not create a nav bar, it creates an entire navigation controller.