huiliao-app/huiliaoAPP/src/navigators/SwitchNavigator.js

import React from 'react';
import {createSwitchNavigator} from 'react-navigation';

//login

import Login from '../pages/Login';
//mine
import StackNavigator from './StackNavigator';

const SwitchNavigator = createSwitchNavigator({
  Login,
  StackNavigator
},
{
  initialRouteName:'Login'
})



export default  SwitchNavigator;