问题 I have a url for calling in code I should call it with Ksoap2 library in code. My code is in below, final String NAMESPACE =""; final String URL =""; final String METHOD_NAME = ""; final String SOAP_ACTION = ""; SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty(HoldPayment.Amount, "1000"); request.addProperty(HoldPayment.CallbackURL,"http://www.yoursoteaddress.ir/verify.php"); request.addProperty(HoldPayment.Description,"pule kharide tala"); request.addProperty