removeAreaAt method
Implementation
void removeAreaAt(int index) {
Area area = _areas.removeAt(index);
AreaHelper.setIndex(area: area, index: -1);
_updateAreas();
notifyListeners();
}
void removeAreaAt(int index) {
Area area = _areas.removeAt(index);
AreaHelper.setIndex(area: area, index: -1);
_updateAreas();
notifyListeners();
}