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I have a UIWindow nested above all of my navigation controllers (it's a swipeable, draggable mini video player). I'm initializing it like this:

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    let player = CustomWindowClass(frame:UIScreen.mainScreen().bounds)
    var window: UIWindow? {
        set {

        }
        get {

            return player
        }
    }
}

Now that player has a button on it's page that should prompt a UIAlertController. My problem is that I can't presentViewController: directly from the UIWindow. I can use:

let rootView = UIApplication.sharedApplication().keyWindow?.rootViewController
rootView?.presentViewController(theAlertController, animated: true, completion: nil)

..but it appears behind my UIWindow. I've been searching all day for how I can safely display the UIAlertController above my UIWindow, but have been empty-handed. Any suggestions?

slider
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1 Answers1

1

What's the size of the returned array of windows from UIApplication.sharedApplication().windows?

I'm guessing that it will be 2, and the second one in the array will be your new window. Try investigating each window in the returned array, and try presenting the UIAlertViewController on each of those to see if it has the desired effect.

eg, if there are two windows returned:

let controller = application.windows[1].rootViewController as UIViewController
controller.presentViewController(theAlertController, animated: true, completion: nil)

Reference: How to present UIAlertView from appDelegate

Community
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Andy Obusek
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  • Thanks, this worked more or less. I also have to reset the `UIWindow.windowLevel` to make it work – slider Dec 10 '15 at 02:59