react-native-rn-zxing

🔥 Finally 🔥 ... an easy way to implement an efficient QR Code scanner (Zxing based) using React native.

Getting started

$ npm install react-native-rn-zxing --save

Mostly automatic installation

$ react-native link react-native-rn-zxing

Manual installation

Android

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

• Add import com.reactlibrary.RnZxingPackage; to the imports at the top of the file
• Add new RnZxingPackage() to the list returned by the getPackages() method

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

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

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

     compile project(':react-native-rn-zxing')
   

Usage

import RnZxing from 'react-native-rn-zxing';
 
...
// Pass the callback as a parameter
RnZxing.showQrReader(this.onBarcodeScanned);
 
...
// Define the callback function to handle data after scan
onBarcodeScanned = (data) => {
        this.setState({data: data});
};