React Native Qrcode Example Tutorial

Hi Guys,

In this blog, I will lean you how to use qrcode in react native. You can easily use qrcode in react native. First i will create import namespace qrcodea from react-native-qrcode, after I will using qrcode using for react-native-qrcode in react native example.

Here, I will give you full example for simply display qrcode using react native as bellow.

Step 1 - Create project

In the first step Run the following command for create project.

expo init Nicesnippets 

Step 2 - Installation of Dependency

In the step, Run the following command for installation of dependency.

To use qrcode you need to npm install react-native-qrcode --save.

To install this open the terminal and jump into your project

cd Nicesnippets

Run the following command

yarn add react-native-qrcode-svg

Step 3 - App.js

In this step, You will open App.js file and put the code.

import React from 'react';
import { StyleSheet, Button, View, SafeAreaView, Text, Alert } from 'react-native';
import QRCode from 'react-native-qrcode-svg';
const App = () => (
  <SafeAreaView style={styles.container}>
    <View>
      <QRCode
        value="/"
        style={styles.qrcodeBox}
        logoSize={300}
      />
    </View>
  </SafeAreaView>
);
const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems:'center',
    backgroundColor:'#e2e2e2'
  }
});
export default App;

Step 4 - Run project

In the last step run your project using bellow command.

npm start

Output

It will help you...