Barcode Tracking Listener#

Defined in framework ScanditBarcodeCapture

SDCBarcodeTrackingListener#
@protocol SDCBarcodeTrackingListener <NSObject>

Added in version 6.0.0

The BarcodeTracking delegate is the main way for hooking into BarcodeTracking. It provides a callback that is invoked when the state of tracked barcodes changes.

- didStartObservingBarcodeTracking:#
- (void)didStartObservingBarcodeTracking:(nonnull SDCBarcodeTracking *)barcodeTracking

Added in version 6.0.0

Called when the listener starts observing the BarcodeTracking instance.

- didStopObservingBarcodeTracking:#
- (void)didStopObservingBarcodeTracking:(nonnull SDCBarcodeTracking *)barcodeTracking

Added in version 6.0.0

Called when the listener stops observing the BarcodeTracking instance.

- barcodeTracking:didUpdate:frameData:#
- (void)barcodeTracking:(nonnull SDCBarcodeTracking *)barcodeTracking
              didUpdate:(nonnull SDCBarcodeTrackingSession *)session
              frameData:(nonnull id<SDCFrameData>)frameData

Added in version 6.0.0

Invoked after barcode tracking has completed to process a frame.