AudioSessionPropertyListener

Declaration

typealias AudioSessionPropertyListener = (UnsafeMutableRawPointer?, AudioSessionPropertyID, UInt32, UnsafeRawPointer?) -> Void

Parameters

• inClientData:

  Data that you specified in the inClientData parameter of the Audiosessionaddpropertylistener(_:_:_:) function. Can be NULL.

• inID:

  The identifier for the audio session property whose value just changed. See 1618455 Audio Session Property Identifie.

• inDataSize:

  The size, in bytes, of the value of the changed property.

• inData:

  The new value of the changed property.

Discussion

If you named your function MyPropertyListener, you would declare it like this:

Discussion

You can register one or more property listener callbacks with your application’s audio session object by calling the AudioSessionAddPropertyListener(_:_:_:) function.

See Also

Callbacks

• AudioSessionInterruptionListener