platform-guideline checked

Google ML Kit: Google code scanner

Documents Android's Google Code Scanner API for QR and barcode scanning without app camera permission, on-device image processing, returned Barcode objects, module availability, auto-zoom, and built-in scanner UI tradeoffs.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
QR scan Choose QR scan when decoding a code and acting on the decoded payload is the central task. Scanning starts only after users choose a QR-dependent task and can see purpose, fallback, and privacy impact. Supports delegated Android QR scanning without app camera permission, auto-zoom, and returned barcode objects.

Evidence Role

This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: Google for Developers. Last checked: .