Change initial view before viewDidLoad Swift

Question

I work with Xcode Swift 7 and 2. I want to know how to execute an action before viewDidLoad my initial view. In fact I would like to change the initial view based on a parameter (if I am logged in or not) ... Should we do it in the AppDelegate? Thank you

you can add your code into didFinishLaunchingWithOptions method in AppDelegate — Dharmesh Kheni
– Dharmesh Kheni, Commented Sep 25, 2015 at 5:02
And to change the initial view? I can not seem to change with the id of the controller ... It is in the StorageId need to identifier ? — hgcahez
– hgcahez, Commented Sep 25, 2015 at 5:05
Yes you need identifier then.and correct your question title. — Dharmesh Kheni
– Dharmesh Kheni, Commented Sep 25, 2015 at 5:07

Dharmesh Kheni · Accepted Answer · 2015-09-25 05:23:30Z

This way you can initiate specific viewController from appdelegate:

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { self.window = UIWindow(frame: UIScreen.mainScreen().bounds) let storyboard = UIStoryboard(name: "Main", bundle: nil) let initialViewController = storyboard.instantiateViewControllerWithIdentifier("yourID") self.window?.rootViewController = initialViewController self.window?.makeKeyAndVisible() return true }

Assign your storyboard ID this way:

Click on your storyboard then go to Identity Inspector at right side and give a storyboard id as shown in below image:

Yes, but he return "NSExeption, no controller with the identifier "MyId" "
yes because you are giving incorrect identifier to storyboard.
it is in the field need to StoryboardId ID? then check the checkbox below?

mrunal thanki · Accepted Answer · 2015-09-25 05:29:41Z

let mainStorybord : UIStoryboard = UIStoryboard(name: "Main", bundle: nil)          Bool isAlreadyLogin = <...code for to check for already logged in or not...>         if  isAlreadyLogin         { var homeVC = storyboard.instantiateViewControllerWithIdentifier("<homeVC>") as! UIViewController // HERE <homeVC> will be your identifier for your sugue in storyboard for initial view after login.             let nav : UINavigationController = UINavigationController(rootViewController: homeVc)             self.window?.rootViewController = nav         }         else         { var loginVC = storyboard.instantiateViewControllerWithIdentifier("<loginVC>") as! UIViewController // HERE <loginVC> will be your identifier for your sugue in storyboard for login view             let nav : NavigationViewController = UINavigationController(rootViewController: loginVC)             self.window?.rootViewController = nav         } self.window?.makeKeyAndVisible()

Collectives™ on Stack Overflow

Change initial view before viewDidLoad Swift

2 Answers 2

4 Comments

Comments

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

4 Comments

Comments

Related