fl_chart

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

class ProgressPieChart extends StatelessWidget {
  final double radius;
  final double fontSize;
  final Color p1Color;
  final double p1Value;
  final Color p2Color;
  final double p2Value;

  const ProgressPieChart({
    required this.radius,
    required this.fontSize,
    required this.p1Color,
    required this.p1Value,
    required this.p2Color,
    required this.p2Value,
    Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return PieChart(PieChartData(
      sections: showingSections(),
      centerSpaceRadius: 0,
      startDegreeOffset: 270,
    ));
  }


  List<PieChartSectionData> showingSections() {
    final PieChartSectionData defaultPieChart = PieChartSectionData(

      // Basic Settings
      radius: radius,
      titleStyle: TextStyle(
        fontSize: fontSize,
        fontWeight: FontWeight.bold,
        color: Colors.white,
      ),
    );

    return List.generate(2, (i) {
      switch (i) {
        case 0:
          return defaultPieChart.copyWith(
            color: p1Color,
            value: p1Value,
            title: "${p1Value.toStringAsFixed(0)}%",
          );
        case 1:
          return defaultPieChart.copyWith(
            color: p2Color,
            value: p2Value,
            title: "${p2Value.toStringAsFixed(0)}%",
          );
        default:
          throw Error();
      }
    });
  }

}
Dart
복사

Reference

fl_chart | Flutter Package

A highly customizable Flutter chart library that supports Line Chart, Bar Chart, Pie Chart, Scatter Chart, and Radar Chart.

https://pub.dev/packages/fl_chart