Instance Property

metadataObjectsCallbackQueue

The dispatch queue on which to execute the delegate’s methods.

Declaration

var metadataObjectsCallbackQueue: DispatchQueue? { get }

Discussion

To set the dispatch queue, you must use the setMetadataObjectsDelegate(_:queue:) method.

See Also

Receiving Captured Metadata Objects

var metadataObjectsDelegate: AVCaptureMetadataOutputObjectsDelegate?

The delegate of the capture metadata output object.

protocol AVCaptureMetadataOutputObjectsDelegate

Methods for receiving metadata produced by a metadata capture output.