import 'package:flutter/material.dart'; /// 撮影用のシャッターボタン. class ShutterButton extends StatelessWidget { const ShutterButton({super.key, required this.onPressed}); final VoidCallback onPressed; @override Widget build(BuildContext context) { return GestureDetector( onTap: onPressed, child: Container( width: 72, height: 72, decoration: BoxDecoration( shape: BoxShape.circle, border: Border.all(color: Colors.white, width: 4), ), child: Center( child: Container( width: 58, height: 58, decoration: const BoxDecoration( shape: BoxShape.circle, color: Colors.white, ), ), ), ), ); } }