clear method
void
clear()
Implementation
void clear() {
click = null;
clickDown = null;
clickUp = null;
clickCancel = null;
doubleClick = null;
doubleClickDown = null;
doubleClickUp = null;
doubleClickCancel = null;
longPressStart = null;
longPressMove = null;
longPressEnd = null;
longPressCancel = null;
hoverStart = null;
hoverMove = null;
hoverEnd = null;
verticalDragStart = null;
verticalDragMove = null;
verticalDragEnd = null;
horizontalDragStart = null;
horizontalDragMove = null;
horizontalDragEnd = null;
scaleStart = null;
scaleUpdate = null;
scaleEnd = null;
}