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](https://github.com/expo/expo/blob/main/docs/pages/versions/unversioned/sdk/bar-code-scanner.mdx) - [Documentation for the latest stable release](https://docs.expo.dev/versions/latest/sdk/bar-code-scanner/) # Installation in managed Expo projects For [managed](https://docs.expo.dev/archive/managed-vs-bare/) Expo projects, please follow the installation instructions in the [API documentation for the latest stable release](https://docs.expo.dev/versions/latest/sdk/bar-code-scanner/). # Installation in bare React Native projects For bare React Native projects, you must ensure that you have [installed and configured the `expo` package](https://docs.expo.dev/bare/installing-expo-modules/) 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`: ```xml NSCameraUsageDescription Allow $(PRODUCT_NAME) to use the camera NSMicrophoneUsageDescription Allow $(PRODUCT_NAME) to use the microphone ``` Run `npx pod-install` after installing the npm package. ### Configure for Android This package automatically adds the `CAMERA` permission to your app. ```xml ``` # Contributing Contributions are very welcome! Please refer to guidelines described in the [contributing guide](https://github.com/expo/expo#contributing).