import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  MyApp({super.key});

  final List<DropdownMenuEntry<String>> menuEntries =
      ["foo", "bar", "green", "yellow"].map((t) => DropdownMenuEntry<String>(label: t, value: t)).toList();

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: Center(
          child: DropdownMenu<String>(
            expandedInsets: EdgeInsets.zero,
            requestFocusOnTap: true,
            dropdownMenuEntries: menuEntries,
          ),
        ),
      ),
    );
  }
}