Get Instance Of ViewController From AppDelegate In Swift
You could try:
let rootViewController = self.window!.rootViewControllerlet mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)let setViewController = mainStoryboard.instantiateViewControllerWithIdentifier("CurrentShows") as! DetailViewControllerrootViewController?.navigationController?.popToViewController(setViewController, animated: false)Swift 3:
let mainStoryboard = UIStoryboard(name: "Main", bundle: nil)let controller = mainStoryboard.instantiateViewController(withIdentifier: "viewController")self.present(viewController, animated: true, completion: nil)