shouldAlwaysShow property
Shows or hides the trackball.
By default, the trackball will be hidden on touch. To avoid this, set this property to true.
Defaults to false
.
late TrackballBehavior trackballBehavior;
void initState() {
trackballBehavior = TrackballBehavior(
enable: true,
shouldAlwaysShow: true
);
super.initState();
}
Widget build(BuildContext context) {
return SfCartesianChart(
trackballBehavior: trackballBehavior
);
}
Implementation
final bool shouldAlwaysShow;