私はこれはStoryboardError列挙
0であるあなたがそれ
override func viewDidLoad() {
super.viewDidLoad()
if type == .Products {
do {
let yourViewController = try showYourViewController()
setRootViewController(yourViewController)
} catch StoryboardError.InvalidCast {
print("Your View Controller was not of the expected type")
} catch _ {
print("Some other error occurred...")
}
}
}
を使用することができます作成FUNC今
func showYourViewController() throws -> UINavigationController {
if let navigationController = storyboard.instantiateInitialViewController() as? UINavigationController {
if let mainTableViewController = navigationController.topViewController as? MainTableViewController {
mainTableViewController.delegate = self
} else {
throw StoryboardError.InvalidCast
}
return navigationController
} else {
throw StoryboardError.InvalidCast
}
}
をプライベートVAR
private var storyboard = UIStoryboard(name: "Fold", bundle: NSBundle.mainBundle())
を作成することをお勧め
enum StoryboardError: ErrorType {
case InvalidCast
}