App.js

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

import SideMenu from './Router.js'

import Authentication from './Authentication/Authentication.js';
import Main from './Main/Main.js';
import ChangeInfo from './ChangeInfo/ChangeInfo.js';
import OrderHistory from './OrderHistory/OrderHistory.js';

export default class App extends Component {
  render() {
    return(
        <SideMenu />    
    );
  }
}

Router.js

import React from 'react';
import { Dimensions } from 'react-native';
import { StackNavigator, TabNavigator, DrawerNavigator, ScrollView } from 'react-navigation';

import Authentication from './Authentication/Authentication';
import ChangeInfo from './ChangeInfo/ChangeInfo';
import Main from './Main/Main';
import OrderHistory from './OrderHistory/OrderHistory';
import Home from './Main/Shop/Home/Home.js';
import Cart from './Main/Shop/Cart/Cart.js';
import Search from './Main/Shop/Search/Search.js';
import Contact from './Main/Shop/Contact/Contact.js';
import Menu from './Main/Menu.js';

const { width } = Dimensions.get('window');

export const HomeStack = StackNavigator({
    Main_Screen: {
        screen: Main
    },
    Authentication_Screen: {
        screen: Authentication
    },
    ChangeInfo_Screen: {
        screen: ChangeInfo
    },
    OrderHistory_Screen: {
        screen: OrderHistory
    }
},
    {
        headerMode: 'none',
        navigationOptions: {
            headerVisible: false,
        }
    }
)

export const CartStack = StackNavigator({
    Cart_Screen: {
        screen: Cart
    }
},
    {
        headerMode: 'none',
        navigationOptions: {
            headerVisible: false,
        }
    }
)

export const SearchStack = StackNavigator({
    Search_Screen: {
        screen: Search
    }
},
    {
        headerMode: 'none',
        navigationOptions: {
            headerVisible: false,
        }
    }
)

export const ContactStack = StackNavigator({
    Contact_Screen: {
        screen: Contact
    }
},
    {
        headerMode: 'none',
        navigationOptions: {
            headerVisible: false,
        }
    }
)

export const Tabbar = TabNavigator({
    HomeStack_Screen: {
        screen: HomeStack,
        navigationOptions: {
            title: 'Home'
        }
    },
    CartStack_Screen: {
        screen: CartStack,
        navigationOptions: {
            title: 'Cart'
        }
    },
    SearchStack_Screen: {
        screen: SearchStack,
        navigationOptions: {
            title: 'Search'
        }
    },
    ContactStack_Screen: {
        screen: ContactStack,
        navigationOptions: {
            title: 'Contact'
        }
    },
},
    {
        tabBarPosition: 'bottom'
    }
);

export default SideMenu = DrawerNavigator({
    Tabbar_Screen: { screen: Tabbar }
},
    {
        drawerWidth: width * 0.75,
        drawerPosition: 'left',
        contentComponent: props => <Menu {...props} />
    }
)