/Javascript/React/React native qr code scanner

React native qr code scanner

'use strict';

import React, { Component } from 'react';

import {
  AppRegistry,
  StyleSheet,
  Text,
  TouchableOpacity,
  Linking
} from 'react-native';

import QRCodeScanner from 'react-native-qrcode-scanner';
import { RNCamera } from 'react-native-camera';

class ScanScreen extends Component {
  onSuccess = e => {
    Linking.openURL(e.data).catch(err =>
      console.error('An error occured', err)
    );
  };

  render() {
    return (
      <QRCodeScanner
        onRead={this.onSuccess}
        flashMode={RNCamera.Constants.FlashMode.torch}
        topContent={
          <Text style={styles.centerText}>
            Go to{' '}
            <Text style={styles.textBold}>wikipedia.org/wiki/QR_code</Text> on
            your computer and scan the QR code.
          </Text>
        }
        bottomContent={
          <TouchableOpacity style={styles.buttonTouchable}>
            <Text style={styles.buttonText}>OK. Got it!</Text>
          </TouchableOpacity>
        }
      />
    );
  }
}

const styles = StyleSheet.create({
  centerText: {
    flex: 1,
    fontSize: 18,
    padding: 32,
    color: '#777'
  },
  textBold: {
    fontWeight: '500',
    color: '#000'
  },
  buttonText: {
    fontSize: 21,
    color: 'rgb(0,122,255)'
  },
  buttonTouchable: {
    padding: 16
  }
});

AppRegistry.registerComponent('default', () => ScanScreen);

Source: npmjs.com

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