AVFAudio · IOS API REFERENCE

AVAudioUnitComponentManager.RegistrationsChangedMessage

struct · iOS 27.0+ · SDK 27.1

struct RegistrationsChangedMessage

Type-safe notification message for audio unit component registration changes. This notification is posted when the system's audio component registrations have changed, such as when audio units are installed or removed. The notification object is the shared `AVAudioUnitComponentManager` instance.

Members (3)

static · iOS 27.0+

makeMessage

TypeScript

static makeMessage(notification: _Foundation_Notification): (AVAudioUnitComponentManager_RegistrationsChangedMessage) | null

Swift declaration

static func makeMessage(_ notification: Notification) -> AVAudioUnitComponentManager.RegistrationsChangedMessage?

Converts a posted notification into this asynchronous message type for any observers. To implement this method in your own `AsyncMessage` conformance, retrieve values from the ``Notification``'s ``Notification/userInfo`` and set them as properties on the message. - Parameter notification: The posted ``Notification``. - Returns: The converted `AsyncMessage`, or `nil` if conversion is not possible.

static · iOS 27.0+

makeNotification

TypeScript

static makeNotification(message: AVAudioUnitComponentManager_RegistrationsChangedMessage): _Foundation_Notification

Swift declaration

static func makeNotification(_ message: AVAudioUnitComponentManager.RegistrationsChangedMessage) -> Notification

Converts a posted asynchronous message into a notification for any observers. To implement this method in your own `AsyncMessage` conformance, use the properties defined by the message to populate the ``Notification``'s ``Notification/userInfo``. - Parameters: - message: The posted `AsyncMessage`. - Returns: The converted ``Notification``.

get · iOS 27.0+

name

TypeScript

static get nameValue(): _Foundation_NSNotification_Name

Swift declaration

static var name: Notification.Name { get }

A optional name corresponding to this type, used to interoperate with notification posters and observers.

Skipped declarations

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