有没有办法在flutter中制作漂亮的下拉菜单？

import 'package:flutter/material.dart';

class MyDropdownMenu extends StatefulWidget {
  @override
  _MyDropdownMenuState createState() => _MyDropdownMenuState();
}

class _MyDropdownMenuState extends State<MyDropdownMenu> {
  String _selectedOption;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Dropdown Menu'),
      ),
      body: Center(
        child: DropdownButton<String>(
          value: _selectedOption,
          onChanged: (String newValue) {
            setState(() {
              _selectedOption = newValue;
            });
          },
          items: <String>[
            'Option 1',
            'Option 2',
            'Option 3',
            'Option 4',
          ].map<DropdownMenuItem<String>>((String value) {
            return DropdownMenuItem<String>(
              value: value,
              child: Text(value),
            );
          }).toList(),
        ),
      ),
    );
  }
}

void main() {
  runApp(MaterialApp(
    home: MyDropdownMenu(),
  ));
}