syncfusion_flutter_charts 30.1.37 copy "syncfusion_flutter_charts: ^30.1.37" to clipboard
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A Flutter Charts library which includes data visualization widgets such as cartesian and circular charts, to create real-time, interactive, high-performance, animated charts.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_charts/charts.dart';
import 'package:syncfusion_flutter_charts/sparkcharts.dart';

void main() {
  return runApp(_ChartApp());
}

class _ChartApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData(primarySwatch: Colors.blue, useMaterial3: false),
      home: _MyHomePage(),
    );
  }
}

class _MyHomePage extends StatefulWidget {
  // ignore: prefer_const_constructors_in_immutables
  _MyHomePage({Key? key}) : super(key: key);

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<_MyHomePage> {
  List<_SalesData> data = [
    _SalesData('Jan', 35),
    _SalesData('Feb', 28),
    _SalesData('Mar', 34),
    _SalesData('Apr', 32),
    _SalesData('May', 40),
  ];
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Syncfusion Flutter chart')),
      body: Column(
        children: [
          //Initialize the chart widget
          SfCartesianChart(
            primaryXAxis: CategoryAxis(),
            // Chart title
            title: ChartTitle(text: 'Half yearly sales analysis'),
            // Enable legend
            legend: Legend(isVisible: true),
            // Enable tooltip
            tooltipBehavior: TooltipBehavior(enable: true),
            series: <CartesianSeries<_SalesData, String>>[
              LineSeries<_SalesData, String>(
                dataSource: data,
                xValueMapper: (_SalesData sales, _) => sales.year,
                yValueMapper: (_SalesData sales, _) => sales.sales,
                name: 'Sales',
                // Enable data label
                dataLabelSettings: DataLabelSettings(isVisible: true),
              ),
            ],
          ),
          Expanded(
            child: Padding(
              padding: const EdgeInsets.all(8.0),
              //Initialize the spark charts widget
              child: SfSparkLineChart.custom(
                //Enable the trackball
                trackball: SparkChartTrackball(
                  activationMode: SparkChartActivationMode.tap,
                ),
                //Enable marker
                marker: SparkChartMarker(
                  displayMode: SparkChartMarkerDisplayMode.all,
                ),
                //Enable data label
                labelDisplayMode: SparkChartLabelDisplayMode.all,
                xValueMapper: (int index) => data[index].year,
                yValueMapper: (int index) => data[index].sales,
                dataCount: 5,
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class _SalesData {
  _SalesData(this.year, this.sales);

  final String year;
  final double sales;
}
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verified publishersyncfusion.com

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A Flutter Charts library which includes data visualization widgets such as cartesian and circular charts, to create real-time, interactive, high-performance, animated charts.

Repository (GitHub)

Documentation

API reference

License

unknown (license)

Dependencies

flutter, intl, syncfusion_flutter_core, vector_math

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