GestureDetector's onDoubledTap Delay

main.dart

import 'package:flutter/material.dart';

void main() => runApp(const MenuAnchorApp());

class MenuAnchorApp extends StatelessWidget {
  const MenuAnchorApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(useMaterial3: true),
      home: const MenuAnchorExample(),
    );
  }
}

class MenuAnchorExample extends StatelessWidget {
  const MenuAnchorExample({super.key});

  @override
  Widget build(BuildContext context) {
    final menuAnchor = MenuAnchor(
      builder: (BuildContext context, MenuController controller, Widget? child) {
        return IconButton(
          onPressed: () {
            if (controller.isOpen) {
              controller.close();
            } else {
              controller.open();
            }
          },
          icon: const Icon(Icons.more_horiz),
        );
      },
      menuChildren: List<MenuItemButton>.generate(
        3,
        (int index) => MenuItemButton(
          onPressed: () {},
          child: Text('Item ${index + 1}'),
        ),
      ),
    );

    return Scaffold(
      body: Center(
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            GestureDetector(
              onTap: () {},
              onDoubleTap: () {},
              child: Container(
                color: Colors.red,
                height: 100,
                width: 100,
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    const Text('Slow'),
                    menuAnchor,
                  ],
                ),
              ),
            ),
            GestureDetector(
              onTap: () {},
              child: Container(
                color: Colors.blue,
                height: 100,
                width: 100,
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    const Text('Fast'),
                    menuAnchor,
                  ],
                ),
              ),
            )
          ],
        ),
      ),
    );
  }
}