protected override void OnDetachingFrom(ContentPage bindable)
{
AddButton.Clicked += AddButton_Clicked;
ListView = null;
AddButton = null;
ViewModel = null;
base.OnDetachingFrom(bindable);
}
protected override void OnAttachedTo(ContentPage bindable)
{
ListView = bindable.FindByName <SfListView>("listView");
AddButton = bindable.FindByName <Button>("addButton");
ViewModel = new ContactsViewModel();
ListView.BindingContext = ViewModel;
AddButton.Clicked += AddButton_Clicked;
base.OnAttachedTo(bindable);
}
public PagesViewModel(double height)
{
int j = 0;
int itemsPerPage = (int)(height / 100) * 3;
int temp = itemsPerPage;
CarouselPages = new ObservableCollection <List <Contacts> >();
var contactsviewmodel = new ContactsViewModel();
var pageCount = Math.Ceiling((double)contactsviewmodel.ContactsInfo.Count / itemsPerPage);
for (int i = 0; i < pageCount; i++)
{
var source = contactsviewmodel.ContactsInfo.Skip(j).Take(temp);
var items = source.AsEnumerable().ToList();
CarouselPages.Add(items);
j += itemsPerPage;
}
}