disabledItemsByValues method Null safety

  1. @override
void disabledItemsByValues(
  1. int index,
  2. List itemsValues
)

disabled the items by there values in groupedCheckBox

itemsValues : (List) values that will be disabled

indexGroup : (List) strings that will be disabled

Implementation

@override
void disabledItemsByValues(int index, List itemsValues) {
  _state.listControllers[index].disabledItemsByValues(itemsValues);
}