TaxControlAppTest/page/invoiceQrcode/invoice_qrcode.js

import React, {Component} from 'react';
import {View, Text, StyleSheet, TextInput} from 'react-native';
import QRCode from 'react-native-qrcode-svg';

export default class invoice_qrcode extends Component {
  constructor(props) {
    super(props);
    this.state = {
      listData: [],
      product_number_total: 0,
      amount_total: 0.0,
      tax_rate_total: 0.0,
      text: '2132132132',
    };
  }
  render() {
    return (
      <View style={styles.container}>
        <QRCode
          size={300}
          value="Just some string value"
          logoSize={30}
          logoBackgroundColor="transparent"
        />
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: 'white',
    alignItems: 'center',
    justifyContent: 'center',
  },

  input: {
    height: 40,
    borderColor: 'gray',
    borderWidth: 1,
    margin: 10,
    borderRadius: 5,
    padding: 5,
  },
});