syncfusion pie chart flutter
late TooltipBehavior _tooltipBehavior;
@override
void initState(){
_tooltipBehavior = TooltipBehavior(enable: true);
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Container(
child: SfCircularChart(
// Enables the tooltip for all the series in chart
tooltipBehavior: _tooltipBehavior,
series: <ChartSeries>[
// Initialize line series
PieSeries<SalesData, String>(
// Enables the tooltip for individual series
enableTooltip: true,
dataSource: [
// Bind data source
SalesData('Jan', 35),
SalesData('Feb', 28),
SalesData('Mar', 34),
SalesData('Apr', 32),
SalesData('May', 40)
],
xValueMapper: (SalesData sales, _) => sales.year,
yValueMapper: (SalesData sales, _) => sales.sales
)
]
)
)
)
);
}