Verify it can read different symbologies, such as UPC-A for retail or QR codes for marketing. How to choose the best barcode scanner SDK for your app
A popular open-source, community-based library used for simpler, no-frills scanning apps.
Drop a button for manual "Scan" triggers and a text area to display the decoded SKU or value.
Use a calibration barcode to ensure the device "learns" pattern recognition quickly.