如何用ToolbarAndroid实现React原生DrawerLayout？

import React, { Component } from 'react';
import { DrawerLayoutAndroid, ToolbarAndroid, View, Text } from 'react-native';

class App extends Component {
  render() {
    const navigationView = (
      <View style={{ flex: 1, backgroundColor: '#fff' }}>
        <Text style={{ margin: 10, fontSize: 15, textAlign: 'left' }}>DrawerLayout Content</Text>
      </View>
    );

    return (
      <DrawerLayoutAndroid
        drawerWidth={300}
        drawerPosition={DrawerLayoutAndroid.positions.Left}
        renderNavigationView={() => navigationView}
      >
        <ToolbarAndroid
          title="Toolbar"
          style={{ height: 56, backgroundColor: '#2196F3' }}
          titleColor="#fff"
        />
        <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center' }}>
          <Text>Main Content</Text>
        </View>
      </DrawerLayoutAndroid>
    );
  }
}

import React from 'react';
import { AppRegistry } from 'react-native';
import App from './App';

AppRegistry.registerComponent('MyApp', () => App);