onLegendTapped property
Occurs when the legend item is rendered. Here, you can get the legend’s text, shape, series index, and point index of circular series.
Widget build(BuildContext context) {
return Container(
child: SfCartesianChart(
onLegendTapped: (LegendTapArgs args) => legend(args),
)
);
}
void legend(LegendTapArgs args) {
print(args.pointIndex);
}
Implementation
final ChartLegendTapCallback? onLegendTapped;