addItem method
Implementation
void addItem({
int index = 0,
required T item,
}) {
listData.insert(index, item);
_listKey.currentState
?.insertItem(index, duration: const Duration(milliseconds: 300));
_addedItemCount++;
}
void addItem({
int index = 0,
required T item,
}) {
listData.insert(index, item);
_listKey.currentState
?.insertItem(index, duration: const Duration(milliseconds: 300));
_addedItemCount++;
}