swift add navigation bar
override func viewDidLoad() { super.viewDidLoad() self.setNavigationBar() } func setNavigationBar() { let screenSize: CGRect = UIScreen.main.bounds let navBar = UINavigationBar(frame: CGRect(x: 0, y: 0, width: screenSize.width, height: 44)) let navItem = UINavigationItem(title: "") let doneItem = UIBarButtonItem(barButtonSystemItem: UIBarButtonItem.SystemItem.done, target: nil, action: #selector(dissmissView)) navItem.rightBarButtonItem = doneItem navBar.setItems([navItem], animated: false) self.view.addSubview(navBar) } @objc func dissmissView(){ self.dismiss(animated: true, completion: nil) }