App.js

import React, { Component } from 'react';
import { StyleSheet, Text, View } from 'react-native';
import { ApolloClient, HttpLink, InMemoryCache } from 'apollo-boost';
import { ApolloProvider } from 'react-apollo';

const client = new ApolloClient({
  link: new HttpLink(),
  cache: new InMemoryCache()
});

export default class App extends Component {
  render() {
    return (
      <ApolloProvider client={client}>
        <View style={styles.container}>
          <Text style={styles.welcome}>Welcome to React Native!</Text>
          <Text style={styles.instructions}>To get started, edit App.js</Text>
        </View>
      </ApolloProvider>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: '#F5FCFF'
  },
  welcome: {
    fontSize: 20,
    textAlign: 'center',
    margin: 10
  },
  instructions: {
    textAlign: 'center',
    color: '#333333',
    marginBottom: 5
  }
});