import React, {Component} from 'react'
import { createAppContainer } from 'react-navigation';
import { createStackNavigator } from 'react-navigation-stack';
import Login from './source/Login';
import MainScreen from './source/MainScreen';

const MainNavigator = createStackNavigator({
  Login : {screen: Login},
  MainScreen : {screen:MainScreen},
},
  {initialRouteName: 'Login',headerMode:'none'}
);

const App = createAppContainer(MainNavigator);

export default App;