What is window rootViewController?

What is window rootViewController?

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 root view controller?

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 root view controller from AppDelegate?

try this:

1. Objective-C YourViewController *rootController = (YourViewController*)[[(YourAppDelegate*) [[UIApplication sharedApplication]delegate] window] rootViewController];
2. Swift let appDelegate = UIApplication.sharedApplication().delegate as AppDelegate let viewController = appDelegate.window!.

How do I get to root view controller from appDelegate?

How do I set root view in SwiftUI?

1. Step 1: Create an AppState ObservableObject. import SwiftUI.
2. Step 2: Create an instance of AppState and add in contentView in SceneDelegate. func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
3. Step 3: Code of ContentView. swift.

How to set the initial view controller in storyboard?

If you don’t have a ViewController set as the initial ViewController in storyboard, you need to do 2 things: Go to your project TARGETS, select your project -> General -> Clear the Main Interface field.

How to programmatically set the root view controller?

You can programmatically set the key window’s rootViewController in (BOOL)application: (UIApplication *)application willFinishLaunchingWithOptions: (NSDictionary *)launchOptions If you don’t have a ViewController set as the initial ViewController in storyboard, you need to do 2 things:

How to change the storyboard name in iOS?

Go to your project TARGETS, select your project -> General -> Clear the Main Interface field. Always inside project TARGETS, now go to Info -> Application Scene Manifest -> Scene Configuration -> Application Session Role -> Item0 (Default Configuration) -> delete the storyboard name field.

How to clear the main storyboard file base name?

In the app’s setting, go to your target and the Info tab. There clear the value of Main storyboard file base name. On the General tab, clear the value for Main Interface.