UIKit · IOS API REFERENCE

UIFocusSystem

class · iOS 11.0+ · SDK 27.1

@MainActor class UIFocusSystem

Members (9)

get · iOS 11.0+

TypeScript

static get didUpdateNotification(): Promise<_Foundation_NSNotification_Name>

Swift declaration

nonisolated class let didUpdateNotification: NSNotification.Name

get · iOS 11.0+

TypeScript

static get movementDidFailNotification(): Promise<_Foundation_NSNotification_Name>

Swift declaration

nonisolated class let movementDidFailNotification: NSNotification.Name

get · iOS 11.0+

TypeScript

static get animationCoordinatorUserInfoKey(): Promise<string>

Swift declaration

class let animationCoordinatorUserInfoKey: String

get · iOS 11.0+

TypeScript

static get focusUpdateContextUserInfoKey(): Promise<string>

Swift declaration

class let focusUpdateContextUserInfoKey: String

init · iOS 12.0+ · Deprecated in iOS 15.0

TypeScript

static init(environment: SDKHandle): Promise<(UIFocusSystem) | null>

Swift declaration

init?(for environment: any UIFocusEnvironment)

method · iOS 12.0+

TypeScript

requestFocusUpdate(environment: SDKHandle): Promise<void>

Swift declaration

func requestFocusUpdate(to environment: any UIFocusEnvironment)

method · iOS 12.0+

TypeScript

updateFocusIfNeeded(): Promise<void>

Swift declaration

func updateFocusIfNeeded()

get · iOS 12.0+

TypeScript

get focusedItem(): Promise<(SDKHandle) | null>

Swift declaration

weak var focusedItem: (any UIFocusItem)? { get }

static · iOS 15.0+

TypeScript

static focusSystem(environment: SDKHandle): Promise<(UIFocusSystem) | null>

Swift declaration

@MainActor @preconcurrency class func focusSystem(for environment: any UIFocusEnvironment) -> UIFocusSystem?

1 declarations were excluded from these bindings. Each reason comes from the generator or the iOS SDK compiler.

UIFocusSystem.init()

inherited init: cannot prove legal (class declares 2 custom initializers)