Understanding Scene Delegate in Swift: A Comprehensive Guide
If you’re an iOS developer or aspiring to become one, you’ve probably heard of the SceneDelegate
. With the introduction of iOS 13, Apple brought significant changes to the app lifecycle management, and one of these changes is the Scene Delegate. This article will delve into what the Scene Delegate is, why it was introduced, and how you can effectively use it in your Swift applications.
What is a Scene Delegate?
Before iOS 13, the AppDelegate
was responsible for managing the lifecycle of the application. It handled events like app launch, termination, entering the background, and more. However, with the advent of multi-window support on iPadOS and improvements in multitasking on iOS, Apple introduced the UISceneDelegate
to better manage multiple instances of your app's UI.
The SceneDelegate
is responsible for managing a single instance of your app's UI. This means that each window (or scene) that your app displays has its own SceneDelegate
instance. This allows for a more modular and manageable approach to handling different UI states and interactions.
Why was the Scene Delegate Introduced?
The introduction of the SceneDelegate
came with several benefits:
- Multi-Window…