import 'package:flutter/material.dart';

/// 自定义Loading的UI展示
class CustomLoadingWidget extends StatelessWidget {
  const CustomLoadingWidget({
    Key? key,
    required this.msg,
  }) : super(key: key);

  final String msg;

  @override
  Widget build(BuildContext context) {
    return _buildBg(children: [
      const CircularProgressIndicator(
        strokeWidth: 2.5,
        valueColor: AlwaysStoppedAnimation(Colors.white),
      ),
      Container(
        margin: const EdgeInsets.only(top: 15),
        child: Text(msg, style: const TextStyle(color: Colors.white,fontSize: 14)),
      ),
    ]);
  }

  Widget _buildBg({required List<Widget> children}) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 25, vertical: 15),
      decoration: BoxDecoration(
        color:  const Color(0xcc000000), //不使用传递的背景色 制定自己的背景颜色
        borderRadius: BorderRadius.circular(10),
      ),
      child: Column(mainAxisSize: MainAxisSize.min, children: children),
    );
  }
}