LinkingDemo.js

import React, { Component } from 'react';
import { View, Linking, Platform } from 'react-native';

class LinkingDemo extends Component {
  
  constructor(props) {
    super(props);
    this.state = {};
  }
  
  componentDidMount() {
    if (Platform.OS === 'android') {
      Linking.getInitialURL().then(url => {
        this.navigate(url);
      });
    } else {
        Linking.addEventListener('url', this.handleNavigation);
      }
  }
  
  componentWillUnmount() { 
    Linking.removeEventListener('url', this.handleNavigation);
  }

  handleNavigation = (event) => {
    //Based on the link url from external app, navigate to specific page
    (event.url === "link://exampleurl/details") ? this.goToDetailsPage() : this.goToHomePage()
  }

  render() {
    return (
      <View style={{ flex: 1 }}>
       ...
      </View>
    );
  }
}

export default LinkingDemo;