hold method
- VoidCallback holdCancelCallback
override
Stop the current activity and start a HoldScrollActivity.
Implementation
@override
ScrollHoldController hold(VoidCallback holdCancelCallback) {
final double previousVelocity = activity!.velocity;
final holdActivity = HoldScrollActivity(delegate: this, onHoldCanceled: holdCancelCallback);
beginActivity(holdActivity);
_heldPreviousVelocity = previousVelocity;
return holdActivity;
}