Instance Property

metadataObjectsCallbackQueue

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

Declaration

@property(nonatomic, readonly) dispatch_queue_t metadataObjectsCallbackQueue;

Discussion

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

See Also

Receiving Captured Metadata Objects

- setMetadataObjectsDelegate:queue:

Sets the delegate and dispatch queue to use handle callbacks.

metadataObjectsDelegate

The delegate of the capture metadata output object.

AVCaptureMetadataOutputObjectsDelegate

Methods for receiving metadata produced by a metadata capture output.