private void onTouchStart(Event event) {
onHoldPressDownStyle(); // Show style change
// Stop the event from bubbling up
event.stopPropagation();
// Only handle if we have exactly one touch
if (event.getTargetTouches().length() == 1) {
Touch start = event.getTargetTouches().get(0);
this.touchId = start.getIdentifier();
this.touchMoved = false;
}
}
