Skip to main content

Apple Developer Docs

Fonts Symbols

UIKit / UIApplication / UIApplication.WillResignActiveMessage

Contents

Declaration
Topics

UIApplication.WillResignActiveMessage

Declaration

struct WillResignActiveMessage

Topics

Initializers

init()

Relationships

Conforms To

NotificationCenter.MainActorMessage
SendableMetatype

Open on developer.apple.com

UIKitStructure

iOS 26.0+iPadOS 26.0+Mac Catalyst 26.0+tvOS 26.0+visionOS 26.0+

Declaration
Topics

Relationships

Conforms To

NotificationCenter.MainActorMessage
SendableMetatype

Built on 2026-05-07