James Porter

Hello, The key point is that ZBar generally won’t give you a special callback saying “this barcode format is unsupported.” The usual approach is to configure the supported symbologies, start scanning, and implement your own timeout/error handling when no valid barcode is detected. Recommended approach Enable only the barcode types your app supports. Start the scanner. If ZBar detects a supported barcode → process the result normally. If nothing is detected within a defined period (for example, 5–10...