void UpdateDateVisibility()
{
DatePicker.Superview.Hidden = !(QuestionnaireViewModel.Selection == QuestionaireSelection.YesSince);
if (QuestionnaireViewModel.Selection == QuestionaireSelection.YesSince)
{
DateTime valueToShow = QuestionnaireViewModel.DateHasBeenSet ? QuestionnaireViewModel.GetLocalSelectedDate() : DateTime.Now.Date;
_viewModel.SetSelectedDateUTC(valueToShow); // Set the default date value when user enter pick date mode
UpdateDateLbl(QuestionnaireViewModel.DateLabel);
}
}
private void ShowDatePickerDialog()
{
DateTime previousSelection = GetLocalSelectedDate();
int day = DateHasBeenSet ? previousSelection.Day : DateTime.Now.Day;
int month = DateHasBeenSet ? previousSelection.Month - 1 : DateTime.Now.Month - 1; // DatePicker uses 0-based month indexing, DateTime does not.
int year = DateHasBeenSet ? previousSelection.Year : DateTime.Now.Year;
_datePicker = new DatePickerDialog(Current.Activity,
((sender, args) =>
{
_questionnaireViewModel.SetSelectedDateUTC(args.Date.ToUniversalTime());
_firstRadioButton.Checked = true;
_firstRadioButton.ContentDescriptionFormatted = GetFormattedText;
_datePickerTextView.Text = DateLabel;
_datePickerTextView.Ellipsize = TextUtils.TruncateAt.End;
}), year, month, day);
_datePicker.DatePicker.MinDate = DateTimeToAndroidDatePickerLong(_questionnaireViewModel.MinimumDate.ToLocalTime());
_datePicker.DatePicker.MaxDate = DateTimeToAndroidDatePickerLong(DateTime.Now);
_datePicker.Show();
}