react-navigation/packages/core/example/src/SimpleTabs.js

import React from 'react';
import { createBottomTabNavigator } from 'react-navigation-tabs';
import { Themed } from '@react-navigation/native';
import { Button, View } from 'react-native';
import { Feather } from '@expo/vector-icons';

class Screen extends React.Component {
  static navigationOptions = ({ navigation }) => ({
    tabBarLabel: navigation.getParam('title'),
    tabBarIcon: ({ tintColor }) => (
      <Feather size={25} name={navigation.getParam('icon')} color={tintColor} />
    ),
  });

  render() {
    return (
      <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
        <Themed.Text>
          {JSON.stringify(this.props.navigation.state.params)}
        </Themed.Text>
        <Button
          title="Go back"
          onPress={() => this.props.navigation.goBack(null)}
        />
        <Themed.StatusBar />
      </View>
    );
  }
}

export const createSimpleTabs = (options = {}) => {
  return createBottomTabNavigator(
    {
      A: {
        screen: Screen,
        params: { title: 'First One', icon: 'activity' },
      },
      B: {
        screen: Screen,
        params: { title: 'Second One', icon: 'aperture' },
      },
      C: {
        screen: Screen,
        params: { title: 'Third One', icon: 'anchor' },
      },
      D: {
        screen: Screen,
        params: { title: 'Fourth One', icon: 'archive' },
      },
    },
    {
      backBehavior: 'history',
      ...options,
      tabBarOptions: {
        activeTintColor: {
          light: '#000',
          dark: '#fff',
        },
        inactiveTintColor: {
          light: 'rgba(0,0,0,0.2)',
          dark: 'rgba(255,255,255,0.2)',
        },
        ...options.tabBarOptions,
      },
    }
  );
};

export default createSimpleTabs();