public void onSaveClick()
{
if (Todo == null || mContentPage == null)
{
return;
}
Todo.From = DateFrom.Add(TimeFrom);
Todo.To = DateTo.Add(TimeTo);
if (Todo.From.CompareTo(Todo.To) > 0 ||
String.IsNullOrEmpty(Todo.Title))
{
mContentPage.DisplayAlert("Warning",
"1.Please enter \"Title\"\n" +
"2.Time To > Date From", "OK");
return;
}
App.Database.SaveItemAsync(Todo);
if (Todo.IsDone == true)
{
DependencyService.Get <IAlarm>().CancelAlarm(Todo);
}
else
{
DependencyService.Get <IAlarm>().SetAlarm(Todo);
}
mContentPage.Navigation.PopAsync();
}