BoxDecoration borderRadius 数值从20变为0时不能正确显示。

[zhushuihua]

import 'package:flutter/widgets.dart';
import 'package:mpcore/mpcore.dart';
import 'package:mpflutter_template/second_page.dart';

void main() {
  runApp(MyApp());
  MPCore().connectToHostChannel();
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MPApp(
      title: 'MPFlutter Demo',
      color: Colors.blue,
      routes: {
        '/': (context) => MyHomePage(),
        '/second': (context) => MySecondPage(),
      },
      navigatorObservers: [MPCore.getNavigationObserver()],
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  double _radius = 20;
  var inside = false;
  @override
  Widget build(BuildContext context) {
    print(_radius);
    return MPScaffold(
      name: 'Template',
      body: Center(
          child: GestureDetector(
        onTap: () {
          setState(() {
            _radius = 0;
          });
        },
        child: Container(
          width: 100,
          height: 100,
          decoration: BoxDecoration(
            color: Colors.green,
            borderRadius: BorderRadius.circular(_radius),
          ),
        ),
      )),
    );
  }
}