Line chart sample 2 flutter code example
Example: line chart in flutter
import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SimpleLineChart extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
SimpleLineChart(this.seriesList, {this.animate});
factory SimpleLineChart.withSampleData() {
return new SimpleLineChart(
_createSampleData(),
animate: false,
);
}
@override
Widget build(BuildContext context) {
return new charts.LineChart(seriesList, animate: animate);
}
static List<charts.Series<LinearSales, int>> _createSampleData() {
final data = [
new LinearSales(0, 5),
new LinearSales(1, 25),
new LinearSales(2, 100),
new LinearSales(3, 75),
];
return [
new charts.Series<LinearSales, int>(
id: 'Sales',
colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
domainFn: (LinearSales sales, _) => sales.year,
measureFn: (LinearSales sales, _) => sales.sales,
data: data,
)
];
}
}
class LinearSales {
final int year;
final int sales;
LinearSales(this.year, this.sales);
}