how to lock portrait orientation for only main view using swift

Question

I have created an application for iPhone, using swift, that is composed from many views embedded in a navigation controller. I would like to lock the main v

Answer 1

If your view is embedded in navigationcontroller in storyboard set the navigation controller delegate UINavigationControllerDelegate and add the following method

class ViewController: UIViewController, UINavigationControllerDelegate {
    func navigationControllerSupportedInterfaceOrientations(navigationController: UINavigationController) -> UIInterfaceOrientationMask {
        return UIInterfaceOrientationMask.Portrait
    }
}