Как мне установить barButtonItem
в AppDelegate
?Теперь у меня есть этот код:
func presentDetailViewController(_ hallID: String) {
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let navVC = UINavigationController()
let newDetailVC = storyboard.instantiateViewController(withIdentifier: "newDetailVC") as! NewDetailTableViewController
newDetailVC.hallID = hallID
navVC.viewControllers = [newDetailVC]
let backItem = UIBarButtonItem(title: "Back", style: .plain, target: self, action: #selector(AppDelegate.goToMainVC))
navVC.navigationItem.setRightBarButton(backItem, animated: true)
window?.rootViewController = navVC
window?.makeKeyAndVisible()
}
@objc func goToMainVC() {
let storyboard = UIStoryboard(name: "Main", bundle: nil)
let navVC = UINavigationController()
let mainVC = storyboard.instantiateViewController(withIdentifier: "MainVC") as! PhotoStudiosViewController
navVC.viewControllers = [mainVC]
window?.rootViewController = navVC
window?.makeKeyAndVisible()
}
let backItem = UIBarButtonItem(title: "Назад", style: .plain, target: self, action: #selector(AppDelegate.goToMainVC))
navVC.navigationItem.setRightBarButton(backItem, animated: true)
Эта строка мне не помогла и barButtonItem
все еще не появляется.Как я могу создать backButton
своим действием func goToMainVC
?