Swift - pushViewController from appDelegate, rootViewController.navigationController is nil

Question

Having a problem following a few guides, specifically http://blog.originate.com/blog/2014/04/22/deeplinking-in-ios/

I\'m setting the url scheme and it\'s working wel

Answer 1

Updated for swift 3/4. The most voted "one line of code" doesn't work because there's no navigation controller in "self"

let rootViewController = self.window!.rootViewController as! 
UINavigationController
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let profileViewController = mainStoryboard.instantiateViewController(withIdentifier: "ProfileViewController") as! ProfileViewController
rootViewController.pushViewController(profileViewController, animated: true)