private async void RemoveContact(Contact contact)
{
var result = await UserNotifier.ShowConfirmAsync("Are your sure you want to delete this contact?", "delete contact", "yes");
if (result)
{
var deleteResult = await _repository.DeleteContactAsync(contact);
if (deleteResult.IsValid())
{
RecentContacts.UpdateCollection(contact, ModelUpdateEvent.Deleted);
}
}
}