When the user goes out to the home screen (with the home button or a swipe), what happens in order in the system and in the app?
willResignActive → the system takes the snapshot → didEnterBackground (a short grace period), then the app stops in Suspended and the system reclaims it if memory runs short. On return it's willEnterForeground → didBecomeActive.
App lifecycle and systemShort answerIntro
A user is working in your app, takes a phone call, hangs up, goes out to the home screen…
#app-state #background
App lifecycle and systemMultiple choiceIntro
In a scene-based (SceneDelegate) UIKit app, the user goes out to the home screen and…
#app-state #scene-delegate
App lifecycle and systemShort answerBasics
A lending app has to keep account information out of the app switcher snapshot when it…
#privacy #background
SecurityShort answerBasics
QA reports that the balance is still visible in the app switcher after you leave the…
#snapshot #privacy