A request comes in to open the same app in two windows on iPad. Why was SceneDelegate introduced?
iOS 13 split the UI lifecycle per scene so that one process can hold several UI instances. iPadOS multi-window was the direct reason.
App lifecycle and systemMultiple choiceBasics
In an iOS 13+ scene-based UIKit app (one that uses SceneDelegate), which callback runs…
#scenedelegate #lifecycle
App lifecycle and systemShort answerIntro
A user is working in your app, takes a phone call, hangs up, goes out to the home screen…
#lifecycle
App lifecycle and systemMultiple choiceIntro
Which situations put an app in the Inactive state? Pick all that apply.
#lifecycle
App lifecycle and systemShort answerIntro
What kind of object is AppDelegate, and which events does it handle?
#lifecycle