UserScreen.js

import React from 'react';
import {
    StyleSheet,
    Text,
    View,
    Image,
    TextInput,
    Button,
    AsyncStorage,
} from 'react-native';
import { StackNavigator } from 'react-navigation';

export default class UserScreen extends React.Component
{
    constructor(props)
    {
        super(props);
    }
    render()
    {
        return (
            <View style = {{flex: 1, backgroundColor: "#1a237e"}}>
            </View>
        );
    }
}