private async Task DeleteContact(ContactViewModel contactViewModel)
        {
            var a = "";
            await _pageService.DisplayAlertAsync("hey", "how you", "doing");

            if (await _pageService.DisplayAlertAsync("Warning", $"Arre you sure you want to delete {contactViewModel.FullName} ?", "Yes", "No"))
            {
                Contacts.Remove(contactViewModel);

                var contact = await _contactStore.getContactAsync(contactViewModel.id);

                await _contactStore.DeleteContactAsync(contact);
            }
        }