App.js

import React from 'react';
import { Provider } from 'react-redux';
import {
  Platform, StatusBar, StyleSheet, View,
} from 'react-native';
import {
  AppLoading, Asset, Font, Icon,
} from 'expo';
import FlashMessage from 'react-native-flash-message';
import Routes from './navigation/Routes';
import configureStore from './configureStore';

const store = configureStore();

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

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

  _loadResourcesAsync = async () => 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
      ...Icon.Ionicons.font,
      // 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 });
  };

  render() {
    const { isLoadingComplete, skipLoadingScreen } = this.state;
    if (!isLoadingComplete && !skipLoadingScreen) {
      return (
        <AppLoading
          startAsync={this._loadResourcesAsync}
          onError={this._handleLoadingError}
          onFinish={this._handleFinishLoading}
        />
      );
    }
    return (
      <Provider store={store}>
        <View style={styles.container}>
          {Platform.OS === 'ios' && <StatusBar barStyle="default" />}
          <Routes />
          <FlashMessage position="top" />
        </View>
      </Provider>
    );
  }
}