toggleItem method

void toggleItem(
  1. int index
)

Toggle check state of an item

Implementation

void toggleItem(int index) {
  if (index >= 0 && index < _items.length) {
    _items[index] = _items[index].copyWith(
      isChecked: !_items[index].isChecked,
    );
    notifyListeners();
  }
}