Barcode Tracking Listener#
Defined in package com.scandit.datacapture.barcode.tracking.capture
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BarcodeTrackingListener
# interface BarcodeTrackingListener
Added in version 6.0.0
The BarcodeTracking listener is the main way for hooking into BarcodeTracking. It provides a callback that is invoked when the state of tracked barcodes changes.
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onObservationStarted(barcodeTracking)
# void
onObservationStarted
(@NonNull BarcodeTracking barcodeTracking)Added in version 6.0.0
Called when the listener starts observing the BarcodeTracking instance.
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onObservationStopped(barcodeTracking)
# void
onObservationStopped
(@NonNull BarcodeTracking barcodeTracking)Added in version 6.0.0
Called when the listener stops observing the BarcodeTracking instance.
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onSessionUpdated(barcodeTracking, session, frameData)
# void
onSessionUpdated
(@NonNull BarcodeTracking barcodeTracking, @NonNull BarcodeTrackingSession session, @NonNull FrameData frameData)Added in version 6.0.0
Invoked after barcode tracking has completed to process a frame.
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