How to convert from UIKit life cycle to SwiftUI life cycle in iOS 14 (Xcode 12 Beta)

Question

I am currently working on SwiftUI app in which I am using SceneDelegate and AppDelegate. I would like to know how I can convert the life cycle from

Answer 1

Set the environment on the ContentView as follows:

import SwiftUI
import CoreData

@main
struct MasterDetailApp: App {
  @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
    
    var body: some Scene {
        WindowGroup {
            ContentView().environment(\.managedObjectContext, appDelegate.persistentContainer.viewContext)
        }
    }
}