LinkingDemoModal.js

import React from "react";
import { Text, View } from "react-native";
import { WebBrowser } from "expo";

class LinkingDemoModal extends React.Component {
  handleOpenUrl = url => {
    WebBrowser.openBrowserAsync(url);
  }
  
  render() {
    return (
      <View
        style={{
          flex: 1,
          justifyContent: "center",
          alignItems: "center"
        }}
      >
        <Text onPress={() => this.handleOpenUrl("https://chck.app")}>
          Go to website
        </Text>
      </View>
    );
  }
};