groupMode property Null safety

CircularChartGroupMode? groupMode
final

Slice can also be grouped based on the data points value or based on index.

Defaults to CircularChartGroupMode.point.

Also refer CircularChartGroupMode.

Widget build(BuildContext context) {
   return Container(
       child: SfCircularChart(
           series: <PieSeries<ChartData, String>>[
               PieSeries<ChartData, String>(
                 groupMode: CircularChartGroupMode.value,
               ),
           ],
       )
  );
}

Implementation

final CircularChartGroupMode? groupMode;