text: import React from 'react';
  import { Image } from 'react-native';
  import { createBottomTabNavigator } from 'react-navigation-tabs';
  import { AppStackNavigator } from './AppStackNavigator'
  import BookRequestScreen from '../screens/BookRequestScreen';
  
  
  export const AppTabNavigator = createBottomTabNavigator({
    DonateBooks : {
      screen: AppStackNavigator,
      navigationOptions :{
        tabBarIcon : <Image source={require("../assets/request-list.png")} style={{width:20, height:20}}/>,
        tabBarLabel : "Selected Fellows",
      }
    },
    BookRequest: {
      screen: BookRequestScreen,
      navigationOptions :{
        tabBarIcon : <Image source={require("../assets/request-book.png")} style={{width:20, height:20}}/>,
        tabBarLabel : "Fellow Application",
      }
    }
  });
  