Conformance

expo-barcode-scanner

native module ExpoBarCodeScanner (Type, BarCodeType constants, camera permissions, scanFromURLAsync QR via the engine wasm reader) and a view that matches the iOS simulator: black background, no frames, no scan events. The real BarCodeScanner class and hooks run from the bundle.

60%

API coverage

No visual conformance cases have been published for this package yet. The registry summary below describes what the compat layer implements.

Working (5)

BarCodeScanner mounts with Constants.Type / BarCodeTypegetPermissionsAsyncrequestPermissionsAsyncusePermissionsscanFromURLAsync (QR, Core Image coordinates)

Missing

live preview and onBarCodeScanned from a camera feed (the iOS simulator has none either)