flutter_chinese_chees/lib/components/mark_component.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

/// 标记点
class MarkComponent extends StatelessWidget {
  final double size;

  const MarkComponent({Key? key, required this.size}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return SizedBox(
      width: size,
      height: size,
      child: Center(
        child: Container(
          width: 22,
          height: 22,
          decoration: BoxDecoration(
            borderRadius: const BorderRadius.all(Radius.circular(30)),
            border: Border.all(
              width: 1.0,
              color: const Color.fromRGBO(255, 255, 255, .8),
            ),
          ),
          child: Center(
            child: Container(
              width: 15,
              height: 15,
              decoration: const BoxDecoration(
                color: Color.fromRGBO(255, 255, 255, .8),
                borderRadius: BorderRadius.all(Radius.circular(15)),
              ),
            ),
          ),
        ),
      ),
    );
  }
}