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Highlighting barcodes with the Classic UI AR Overlay on Android

Overview​

The AR Overlay can be enabled to display and select recognized barcodes in an augmented-reality fashion. Each recognized barcode will be highlighted by a colored frame and text.

Tapping on a barcode will deliver the barcode scanning result to the delegate of the barcode scanner. These tapped/delivered barcodes can be highlighted with a different color. The displayed text is customizable.

To enable the AR Overlay, the following functions are required:

Enable Barcode Selection Overlay
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To set the appearance configuration:

Set appearance configuration
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RTU AR Overlay

The AR Overlay is also part of the SDK's RTU UI.

AR Overlay scanning modes​

Displaying an extra layer of information in the live view is useful for a range of scanning use cases. Here are four barcode scanning use cases supporting the AR Overlay:

  • Multi Scan: Quickly scan multiple barcodes in one go, highlighting scanned codes.
  • Select Scan: Selectively capture barcodes by tapping them.
  • Find & Pick: Locate specific items with a pre-defined barcode value in a large inventory.
  • Scan & Count: Count items by scanning their barcodes.
Example app

The following use cases have been compiled into a dedicated example app. Too see the complete source code of the code snippets provided here, check out the example app on GitHub.

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