//save button clicked
async void SavleClicked(object sender, System.EventArgs e)
{
if (!string.IsNullOrEmpty(addressModel.country))
{
UserDialogs.Instance.ShowLoading();
await appServices.SaveAddress(addressModel);
await Navigation.PopModalAsync(false);
}
else
{
await DisplayAlert(ResourcesValues.AppName, ResourcesValues.FillCountryMessage, ResourcesValues.OkMessage);
}
}