1<p>
2  <a href="https://docs.expo.dev/versions/latest/sdk/bar-code-scanner/">
3    <img
4      src="../../.github/resources/expo-barcode-scanner.svg"
5      alt="expo-barcode-scanner"
6      height="64" />
7  </a>
8</p>
9
10Allows scanning variety of supported barcodes both as standalone module and as extension for expo-camera. It also allows scanning barcodes from existing images.
11
12# API documentation
13
14- [Documentation for the main branch](https://github.com/expo/expo/blob/main/docs/pages/versions/unversioned/sdk/bar-code-scanner.mdx)
15- [Documentation for the latest stable release](https://docs.expo.dev/versions/latest/sdk/bar-code-scanner/)
16
17# Installation in managed Expo projects
18
19For [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/).
20
21# Installation in bare React Native projects
22
23For 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.
24
25### Add the package to your npm dependencies
26
27```
28npx expo install expo-barcode-scanner
29```
30
31### Configure for iOS
32
33Add `NSCameraUsageDescription` and `NSMicrophoneUsageDescription` key to your `Info.plist`:
34
35```xml
36<key>NSCameraUsageDescription</key>
37<string>Allow $(PRODUCT_NAME) to use the camera</string>
38<key>NSMicrophoneUsageDescription</key>
39<string>Allow $(PRODUCT_NAME) to use the microphone</string>
40```
41
42Run `npx pod-install` after installing the npm package.
43
44### Configure for Android
45
46This package automatically adds the `CAMERA` permission to your app.
47
48```xml
49<!-- Added permissions -->
50<uses-permission android:name="android.permission.CAMERA" />
51```
52
53# Contributing
54
55Contributions are very welcome! Please refer to guidelines described in the [contributing guide](https://github.com/expo/expo#contributing).
56