Get Instance Of ViewController From AppDelegate In Swift
34,456
You could try:
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)
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Author by
PretzelJesus
Updated on July 09, 2022Comments
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PretzelJesus almost 2 years
I am trying to load a specific ViewController from the app delegate in swift when a user clicks a UILocalNotification. I have figured out that this is called in this function:
func application(application: UIApplication!, didReceiveLocalNotification notification: UILocalNotification!)
But when I try and access one of the open ViewControllers I think it's returning null because my application is crashing. Here is what I am trying:
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()
It's crashing on the popToViewController line.
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suisied over 8 yearsI tried using this inside a function and it didn't work, I'm using xcode7 and swift2. do you mind updating the code above please.
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fulvio over 8 years@suisied Might be worth creating a question on StackOverflow and linking to it as we can't really diagnose your issue without seeing your code.
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Async- over 8 yearsnot working in swift 2.. impossible to get "Main" storyboard.