add method
void
add()
Implementation
void add() {
if (canDoAction(DoAction.ADD)) {
setState(() {
_initialValue += _step;
});
}
widget.onValue(_initialValue as T);
}
void add() {
if (canDoAction(DoAction.ADD)) {
setState(() {
_initialValue += _step;
});
}
widget.onValue(_initialValue as T);
}