RNRF custom navbar with pop

index.js

'use strict';

import React, {Component} from "react";
import {StyleSheet, Text, View} from "react-native";
import Icon from 'react-native-vector-icons/FontAwesome';
import { Actions } from 'react-native-router-flux';

export default class ToolBar extends Component {
  static contextTypes = {
    drawer: React.PropTypes.object
  };

  render() {
    const { back, drawer } = this.props;

    const btnSideMenu = (back == "sideMenu" || (typeof back == 'undefined')) ?
                      <Icon.Button  name="bars" size={22}
                                    color={'white'}
                                    iconStyle={styles.icon}
                                    backgroundColor={color1}
                                    onPress={ this.context.drawer.toggle }/> : null;
    const btnBack = (back == "pop") ?
                      <Icon.Button  name="chevron-left"
                                    size={22}
                                    color={'white'}
                                    iconStyle={styles.icon}
                                    backgroundColor={color2}
                                    onPress={ ()=> Actions.pop() } /> : null;
    return (
      <View style={styles.toolBar}>
        {btnSideMenu}{btnBack}
        <Text style={[Globals.styles.text,styles.tabText]}>{this.props.title}</Text>
        <Icon.Button  name="search"
                      size={22}
                      color={'white'}
                      iconStyle={styles.icon}
                      backgroundColor={Globals.brandlovers.color}
                      onPress={()=>Actions.search()} />
      </View>
    );
  }
}

const styles = StyleSheet.create({
  toolBar: {
    flexDirection: 'row',
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingTop: 16,
    paddingLeft: 8,
    paddingRight: 8,
    paddingBottom: 3,
    backgroundColor: 'green',
  },
  icon: {
    marginRight: 0,
    padding: 0,
  },
  tabText: {
    marginTop: 8,
    color: 'white',
    fontSize: 20,
  },
});