public AddAddressPage(Page parentPage, Action <ExtendedAddress> saved = null)
{
InitializeComponent();
mAppServices = DependencyService.Get <IAppServices>();
ParentPage = parentPage;
Saved = saved;
mStates = mAddressFacade.GetStates();
stateEntry.Items.Clear();
foreach (var item in mStates.Keys)
{
stateEntry.Items.Add(item);
}
}