Android访问WebService

public class MyWeather extends Activity {
//这些在WSDL中都可以获得
private static final String URL = "http://www.webxml.com.cn/webservices/weatherwebservice.asmx";
private static final String METHOD_NAME = "getWeatherbyCityName";
private static final String NAMESPACE = "http://WebXml.com.cn/";
private static final String SOAP_ACTION = "http://WebXml.com.cn/getWeatherbyCityName";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
TextView weather=new TextView(this);
try {
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
request.addProperty("theCityName", "杭州");

AndroidHttpTransport aht = new AndroidHttpTransport(URL);
aht.debug = true;

SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER11);

envelope.bodyOut = request;
envelope.dotNet = true;
envelope.setOutputSoapObject(request);

aht.call(SOAP_ACTION, envelope);

SoapObject result = (SoapObject) envelope.bodyIn;
SoapObject detail = (SoapObject) result.getProperty("getWeatherbyCityNameResult");

weather.setText(detail.getProperty(6).toString()+" "+detail.getProperty(5).toString()+" "+detail.getProperty(7).toString());
setContentView(weather);
} catch (Exception e) {
e.printStackTrace();
}
}

}