in this app the first time you use it you get 3 welcome pages. After the last one I save a bool to true in UserDefaults in order to skip those welcome pages the next time the user launches the app.
To do that, in AppDelegate.swift I do as following:
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
// Override point for customization after application launch.
if UserDefaultsVault.shared.getDidFinishIntro() == true {
self.window = UIWindow(frame: UIScreen.main.bounds)
let storyboard : UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let mainVC = storyboard.instantiateViewController(withIdentifier: "mainPage") as UIViewController
self.window?.rootViewController = mainVC
self.window?.makeKeyAndVisible()
}
return true
}
I of course added the storyboard ID to my view controller in the storyboard and I also checked with a breakpoint if the condition is met (and it's true).
Despite this the Main Controller won't instantiate.
I made another app with this code and it's always worked!
Did I mistake something?
For iOS 13+ you need to give the instantiateViewController(withIdentifier:) in SceneDelegate, like this:
class SceneDelegate: UIResponder, UIWindowSceneDelegate {
var window: UIWindow?
func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
guard let windowScene = scene as? UIWindowScene else { return }
window = UIWindow(windowScene: windowScene)
window?.makeKeyAndVisible()
if UserDefaultsVault.shared.getDidFinishIntro() {
let storyboard = UIStoryboard(name: "Main", bundle: nil)
window?.rootViewController = storyboard.instantiateViewController(withIdentifier: "mainPage")
}
}
}
Note: Your code would work for devices using iOS 13 below.