onChangeCowGroupName method Null safety

void onChangeCowGroupName(
  1. CowGroup group,
  2. String newName
)

Implementation

void onChangeCowGroupName(CowGroup group, String newName) async {
  int foundIdx = _cowGroups.indexOf(group);
  _cowGroups[foundIdx].name = newName;
  await ApiService().updateCowGroup(_cowGroups[foundIdx]);
  notifyListeners();
}