activationMode property

ActivationMode activationMode
final

Gesture for activating the trackball.

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

Defaults to ActivationMode.longPress.

Also refer ActivationMode

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

Implementation

final ActivationMode activationMode;