interactiveTooltip property Null safety

InteractiveTooltip interactiveTooltip
final

Customizes the crosshair and selection zooming tooltip. Tooltip displays the current axis value based on the crosshair position/selectionZoomRect position at an axis.

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
          primaryXAxis: NumericAxis(interactiveTooltip: InteractiveTooltip(enable: true)),
       ));
}

Implementation

final InteractiveTooltip interactiveTooltip;