PieChart dyanmic radius

main.darrt

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

void main() {
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'fl_chart Pie Chart Sizing Bug',
      home: Scaffold(
          appBar: AppBar(
            title: Text('fl_chart Pie Chart Sizing Bug'),
          ),
          body: Container(
            width: 300.0,
            height: 300.0,
            color: Colors.blue,
            child: LayoutBuilder(
              builder: (context, constraints) {
                final shortestSide = constraints.biggest.shortestSide;
                return PieChart(
                  PieChartData(
                    sections: [
                      PieChartSectionData(
                        value: 60.0,
                        color: Colors.green,
                        radius: shortestSide / 2,
                      ),
                      PieChartSectionData(
                        value: 40.0,
                        color: Colors.purple,
                        radius: shortestSide / 2,
                      ),
                    ],
                    centerSpaceRadius: 0,
                  ),
                );
              },
            ),
          )),
    );
  }
}

pie_dynamic_radius.mp4

Thanks, it works great.