content: import React, { Component } from 'react';
  import {
    View,
    Text,
    Navigator
  } from 'react-native';
  import { StackNavigator } from 'react-navigation';
  import LoginPage from '../pages/LoginPage'
  import MainPageView from '../pages/MainPage'
  
  export default RootNavigation = StackNavigator({
    Login: {screen: LoginPage},
    MainPage: {screen: MainPageView}
  })
  