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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Pie Chart Demo',
      home: HomePage(),
    );
  }
}

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

  final dataMap = <String, double>{
    "Flutter": 100,
  };

  final colorList = <Color>[
    Colors.greenAccent,
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Impeller Chart Issue"),
      ),
      body: Container(
        padding: EdgeInsets.symmetric(horizontal: 20),
        child: PieChart(
          dataMap: dataMap,
          chartType: ChartType.ring,
          baseChartColor: Colors.grey[50]!.withOpacity(0.15),
          colorList: colorList,
          ringStrokeWidth: 45,
          chartValuesOptions: ChartValuesOptions(
            showChartValuesInPercentage: true,
          ),
          totalValue: 100,
        ),
      ),
    );
  }
}