expo-barcode-scanner

Allows scanning variety of supported barcodes both as standalone module and as extension for expo-camera. It also allows scanning barcodes from existing images.

API documentation

• Documentation for the main branch
• Documentation for the latest stable release

Installation in managed Expo projects

For managed Expo projects, please follow the installation instructions in the API documentation for the latest stable release.

Installation in bare React Native projects

For bare React Native projects, you must ensure that you have installed and configured the expo package before continuing.

Add the package to your npm dependencies

npx expo install expo-barcode-scanner

Configure for iOS

Add NSCameraUsageDescription and NSMicrophoneUsageDescription key to your Info.plist:

<key>NSCameraUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use the camera</string>
<key>NSMicrophoneUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use the microphone</string>

Run npx pod-install after installing the npm package.

Configure for Android

This package automatically adds the CAMERA permission to your app.

<!-- Added permissions -->
<uses-permission android:name="android.permission.CAMERA" />

Contributing

Contributions are very welcome! Please refer to guidelines described in the contributing guide.