Eclipse - No puedo Consumir Web Service en Aplicacion de Android en eclipse

TextView text1 = (TextView) findViewById (R.id.textView1);

String NAMESPACE = "http://service.example.com";

String URL = "http://localhost:8080/AddServiceServer/services/AddOperador?wsdl";

String METHOD_NAME = "add";

String SOAP_ACTION = "http://service.example.com/add";

SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);

EditText num1 = (EditText) findViewById (R.id.numero1);

EditText num2 = (EditText) findViewById (R.id.numero2);

request.addProperty("x", 2);

request.addProperty("y", 5);

SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);

envelope.setOutputSoapObject(request);

envelope.dotNet=true;

String respuesta = "";

HttpTransportSE androidHttpTransport = new HttpTransportSE(URL);

androidHttpTransport.debug = true;

try {

    androidHttpTransport.call(SOAP_ACTION, envelope);

    SoapObject resultado=(SoapObject) envelope.getResponse();

    respuesta = resultado.getPropertyAsString(0);

    text1.setText("Respuesta: "+respuesta);

}

catch(Exception e){

    e.toString();

}