mDialogSelectDays function

Implementation

Future<int?> mDialogSelectDays() async {
  final List<int> daysOptions = [30, 60, 90, 180, 360];
  final String endWith = " days";
  final List<String> useList = daysOptions.map((e) => "$e$endWith").toList();
  final value = await mDialogSelectItemsCupertinoPicker(useList);
  if (value != null) {
    return daysOptions[useList.indexOf(value)];
  }
  return null;
}