Search in the main thread

search_in_the_main_thread.dart

Future<void> runSearchOnMainThread() async {
  cacheItems();
  isLoading = true;
  notifyListeners();
  searchController.addListener(_searchOnMainThread);
  await _testSearch();
  searchController.removeListener(_searchOnMainThread);
  isLoading = false;
  notifyListeners();
}

void _searchOnMainThread() {
  final String searchValue = searchController.text;
  if (searchValue.isEmpty && items.length != _notFilteredItems.length) {
    items.clear();
    items.addAll(_notFilteredItems);
    notifyListeners();
    return;
  }
  items.clear();

  /// Packet2 - wrapper class for two values
  items.addAll(filterItems(Packet2(_notFilteredItems, searchValue)));
  notifyListeners();
}