当用户单击UILocalNotification时,我正尝试从应用程序代理中加载特定的ViewController。我已经知道这是在这个函数中调用的:
func application(application: UIApplication!, didReceiveLocalNotification notification: UILocalNotification!)
但是当我尝试访问其中一个打开的ViewControllers时,我认为它返回的是null,因为我的应用程序崩溃了。这是我正在尝试的:
var rootViewController = self.window!.rootViewController
var storyBoard = rootViewController.storyboard
var setViewController = storyBoard.instantiateViewControllerWithIdentifier("CurrentShows") as ViewController_CurrentShows
rootViewController.navigationController.popToViewController(setViewController, animated: false)
setViewController.reloadData()
它在popToViewController线路上崩溃了。
发布于 2014-07-10 09:27:25
您可以尝试:
let rootViewController = self.window!.rootViewController
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let setViewController = mainStoryboard.instantiateViewControllerWithIdentifier("CurrentShows") as! DetailViewController
rootViewController?.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)
https://stackoverflow.com/questions/24638376
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