Login screen (no localization)

login.js

import React, { Component } from 'react';
import {
  View,
  Text,
  Button
} from 'react-native';

class LoginScreen extends Component {
  constructor(props) {
    super(props);

    this.state = {
      username: 'Daniel'
    };
  }

  render() {
    return (
      <View>
        <Text>Welcome {this.state.username} to our localized app!</Text>
        <Button title="Login"></Button>
        <Button title="Sign Up"></Button>
      </View>
    );
  }
}

export default LoginScreen;