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);