App.js

import { AppLoading } from 'expo';
import { Asset } from 'expo-asset';
import * as Font from 'expo-font';
import React from 'react';
import { Platform, StatusBar, StyleSheet, View, AsyncStorage } from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { ApolloProvider } from 'react-apollo';
import makeApolloClient from './apollo/apollo';

import AppNavigator from './navigation/AppNavigator';


global.fetch = require('node-fetch');

export default class App extends React.Component {
  state = {
    isLoadingComplete: false,
    setLoadingComplete: false,
    client: null
  };


  componentWillMount = async () => {
    await Expo.Font.loadAsync({
      'roboto': require('native-base/Fonts/Roboto.ttf'),
      'Roboto_medium': require('native-base/Fonts/Roboto.ttf'),

      ...Ionicons.font,
      Ionicons: require("@expo/vector-icons"),
    })
  }

  componentDidMount = () => {
    AsyncStorage.getItem("GithubStorageKey").then((value) => {
      this.setState({ client: value })
    })
  }

  render() {
    const client = makeApolloClient(this.state.client);
    if (!this.state.isLoadingComplete && !this.props.skipLoadingScreen) {
      return (
        <AppLoading
          startAsync={this._loadResourcesAsync}
          onError={this._handleLoadingError}
          onFinish={this._handleFinishLoading}
        />
      );
    } else {
      return (
        <ApolloProvider client={client}>
          <View style={styles.container}>
            {Platform.OS === 'ios' && <StatusBar barStyle="default" />}
            <AppNavigator />
          </View>
        </ApolloProvider>
      );
    }
  }

  _loadResourcesAsync = async () => {
    await Promise.all([
      Asset.loadAsync([
        require('./assets/images/robot-dev.png'),
        require('./assets/images/robot-prod.png'),
      ]),
      Font.loadAsync({
        // This is the font that we are using for our tab bar
        // We include SpaceMono because we use it in HomeScreen.js. Feel free to
        // remove this if you are not using it in your app
        'space-mono': require('./assets/fonts/SpaceMono-Regular.ttf'),
      }),
    ]);
  };

  _handleLoadingError = error => {
    // In this case, you might want to report the error to your error
    // reporting service, for example Sentry
    console.warn(error);
  };

  _handleFinishLoading = () => {
    this.setState({ isLoadingComplete: true });
  };
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
  },
});