import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const MyStatelessWidget(),
      ),
    );
  }
}

class MyStatelessWidget extends StatelessWidget {
  const MyStatelessWidget({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return ColorFiltered(
      colorFilter: ColorFilter.mode(
        Color(0xFFFF0000),
        BlendMode.srcIn,
      ),
      child: Container(
        decoration:
            BoxDecoration(color: Color(0xFF00FF00), shape: BoxShape.circle),
        width: 100,
        height: 100,
      ),
    );
  }
}