list tile icon buttons

main.dart

// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flutter code sample for [TextFormField].

import 'package:flutter/material.dart';

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

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

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(
        useMaterial3: true,
        iconButtonTheme: const IconButtonThemeData(
          style: ButtonStyle(
            foregroundColor: MaterialStatePropertyAll(Colors.red),
          ),
        ),
      ),
      title: _title,
      home: MyWidget(),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: ListTile(
          title: const Text('hello world'),
          // EXPECTED: blue icons.
          // ACTUAL: red icons, from iconButtonTheme override above.
          iconColor: Colors.blue,
          trailing: IconButton(
            icon: const Icon(
              Icons.favorite,
            ),
            onPressed: () {},
          ),
          leading: IconButton(
            icon: const Icon(
              Icons.favorite,
            ),
            onPressed: () {},
          ),
        ),
      ),
    );
  }
}