activationMode property

ActivationMode activationMode
final

Gesture for activating the tooltip.

Tooltip can be activated in tap, double tap, and long press.

Defaults to ActivationMode.tap.

Also refer ActivationMode

Widget build(BuildContext context) {
   return Container(
       child: SfCartesianChart(
          tooltipBehavior: TooltipBehavior(
          enable: true,
          activationMode: ActivationMode.doubleTap),
       ));
}

Implementation

final ActivationMode activationMode;