- Camera picker with auto-selection of main back camera (index 0)
- Manual/auto focus toggle button with focus distance slider
- Dual binarizer (Hybrid + GlobalHistogram) for blur tolerance
- Only vibrate on new unique scan result
- Band canvas to restrict decoding to aim line region
- Camera select overlaid in viewfinder corner
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Camera-based barcode scanner using ZXing for decoding. Requests wide
video (256x2048), rotates to landscape for decoding, applies contrast
boost and tries both HybridBinarizer and GlobalHistogramBinarizer.
Includes camera selector, manual/auto focus controls, and focus slider.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
