// Use this for initialization
public void SetPaymentMethods(XsollaPaymentMethods paymentMethods)
{
_paymentMethods = paymentMethods;
if(adapter == null)
adapter = GetComponent<PaymentMethodsAdapter>();// gameObject.AddComponent <PaymentMethodsAdapter>() as PaymentMethodsAdapter;
adapter.SetManager (_paymentMethods);
gridView = GetComponent<GridView> ();
gridView.SetAdapter (adapter, 6);
}