RU: Исследуем жизненный цикл iOS Scene (методы SceneDelegate). EN: Exploring the iOS Scene lifecycle (SceneDelegate methods)

LifeCycleSceneDelegate.swift

final 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 }
        
        // Настройка окна приложения
        window = UIWindow(windowScene: windowScene)
        let initialViewController = ViewController()
        window?.rootViewController = initialViewController
        window?.makeKeyAndVisible()
    }
    // MARK: - SceneDelegate Lifecycle
    func sceneDidDisconnect(_ scene: UIScene) {
        Logger.shared.log("😍 - 0) sceneDidDisconnect")
    }

    func sceneDidBecomeActive(_ scene: UIScene) {
        Logger.shared.log("😍 - 3) applicationDidBecomeActive")
    }

    func sceneWillResignActive(_ scene: UIScene) {
        Logger.shared.log("😍 - 4) applicationWillResignActive")
    }
    
    func sceneDidEnterBackground(_ scene: UIScene) {
        Logger.shared.log("😍 - 5) applicationDidEnterBackground")
    }

    func sceneWillEnterForeground(_ scene: UIScene) {
        Logger.shared.log("😍 - 6) applicationWillEnterForeground")
    }
}

Наглядная визуализация методов жизненного цикла SceneDelegate:

Сценарии вызовов каждого метода: