react-native-usb

Getting started

npm install react-native-usb --save

or

yarn add react-native-usb

Mostly automatic installation

react-native link react-native-usb

Manual installation

Android

1. Open up android/app/src/main/java/[...]/MainApplication.java

• Add import me.andyshea.ReactNativeUsbPackage; to the imports at the top of the file
• Add new ReactNativeUsbPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

   include ':react-native-usb'
   project(':react-native-usb').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-usb/android')

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

     compile project(':react-native-usb')

Usage

import usb from 'react-native-usb';

// connect to device
await usb.connect(vendorId, productId);

// setup data event listener
usb.on('data', data => {
  console.log(data);
});

// send data to device
usb.write([0x01, 0x02, 0x03]);

// disconnect when finished
usb.disconnect();