fl_chart with limited size

main.dart

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      home: HomePage(),
    );
  }
}

class HomePage extends StatelessWidget {
  const HomePage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SizedBox(
        width: 200,
        height: 200,
        child: LineChart(
          LineChartData(
            lineBarsData: [
              LineChartBarData(
                spots: const [
                  FlSpot(0, 1),
                  FlSpot(1, 3),
                  FlSpot(2, 2),
                  FlSpot(3, 4),
                ],
                isCurved: true,
                barWidth: 4,
                belowBarData: BarAreaData(show: true),
              ),
            ],
          ),
        ),
      ),
    );
  }
}