LineChart Sample for HIghCharts Demo

line_chart.dart

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

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

  final String _chartData = '''{
    accessibility: {
      enabled: false
    },
    title: {
        text: 'Solar Employment Growth by Sector, 2010-2016'
    },

    subtitle: {
        text: 'Source: thesolarfoundation.com'
    },

    yAxis: {
        title: {
            text: 'Number of Employees'
        }
    },

    xAxis: {
    },

    legend: {
        layout: 'vertical',
        align: 'right',
        verticalAlign: 'middle'
    },

    plotOptions: {
        series: {
            label: {
                connectorAllowed: false
            },
            pointStart: 2010
        }
    },

    series: [{
        name: 'Installation',
        data: [43934, 52503, 57177, 69658, 97031, 119931, 137133, 154175]
    }
    ],

    responsive: {
        rules: [{
            condition: {
                maxWidth: 500
            },
            chartOptions: {
                legend: {
                    layout: 'horizontal',
                    align: 'center',
                    verticalAlign: 'bottom'
                }
            }
        }]
    }

}''';

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 0, vertical: 2),
      child: HighCharts(
        loader: const SizedBox(
          child: LinearProgressIndicator(),
          width: 200,
        ),
        size: const Size(400, 400),
        data: _chartData,
        scripts: const [
          "https://code.highcharts.com/highcharts.js",
        ],
      ),
    );
  }
}