What is Rootviewcontroller in IOS?

What is Rootviewcontroller in IOS?

The root view controller provides the content view of the window. Assigning a view controller to this property (either programmatically or using Interface Builder) installs the view controller’s view as the content view of the window.

How do I get Rootviewcontroller of Uinavigationcontroller?

The root view controller is simply the view controller that sits at the bottom of the navigation stack. You can access the navigation controller’s array of view controllers through its viewControllers property. To access the root view controller, we ask for the first item of the array of view controllers.

How do I get to rootViewController in appDelegate?

  1. YourViewController *rootController =(YourViewController *)[[(YourAppDelegate *) [[UIApplication sharedApplication]delegate] window] rootViewController];
  2. In Swift2, you have to use “let appDelegate = UIApplication.sharedApplication().delegate as!

How do I change the rootViewController in Swift?


  1. Swift How to present Tabbar on Button click.
  2. Change root View Controller.
  3. UINavigationController pop to another root controller.
  4. Swift – Shake gesture dismisses the child view controller.
  5. TableViewcontroller.xib created by me should be initial controller.
  6. Back to login screen from any subview of navigation controller.

How do I get ViewController?

If you are not familiar with the code and you want to find ViewController coresponding to given view, then you can try:

  1. Run app in debug.
  2. Navigate to screen.
  3. Start View inspector.
  4. Grab the View you want to find (or a child view even better)
  5. From the right pane get the address (e.g. 0x7fe523bd3000)

How do I get rootViewController in Swift?

How do I get topmost ViewController?

Show activity on this post. In addition, you can check for UINavigationController and ask for its topViewController or even check for UITabBarController and ask for selectedViewController . This will get you the view controller that is currently visible to the user.

How do I use popToViewController in Swift?

“swift pop to specific view controller” Code Answer’s

  1. let viewControllers: [UIViewController] = self. navigationController!. viewControllers.
  2. for aViewController in viewControllers {
  3. if aViewController is YourViewController {
  4. self. navigationController!. popToViewController(aViewController, animated: true)

What is iOS AppDelegate?

So an app delegate is an object that the application object can use to do certain things like display the first window or view when the app starts up, handle outside notifications or save data when the app goes into the background.

What is the use of SceneDelegate in iOS?

AppDelegate is responsible for handling application-level events, like app launch and the SceneDelegate is responsible for scene lifecycle events like scene creation, destruction and state restoration of a UISceneSession.

How do I push to another ViewController?

How to navigate from one view controller to another in iOS?

  1. Step 1 − Create a View controller object. let vc = self. storyboard?. instantiateViewController(withIdentifier: “VC2ViewController”) as!
  2. Step 2 − Navigating to Other View Controller. self. navigationController?. pushViewController(vc, animated: true)