Android呼叫WCF服务

我从

Android应用程序

调用

wcfweb服务时遇到问题。如果我调用以下URL，
“http://10.0.2.2:80/WebService/WebServiceImpl.svc“
我得到响应
“200 OK”
，但是当我尝试调用服务中的函数时，
”http://10.0.2.2:80/WebService/WebServiceImpl.svc/Test“
我收到一个响应
“400个错误请求”

有人能帮忙吗

namespace WebService
{
    public class WebServiceImpl : IWebServiceImpl
    {
        #region IRestServiceImpl Members
        public string Test()
        {
            return "Test pass";
        }

        #endregion
    }
}

namespace WebService
{
    [ServiceContract]
    public interface IWebServiceImpl
    {
     [OperationContract]
        [WebInvoke(
            Method = "GET")]
        string Test();
    }
}

Android活动：

    public void onClick(View v)
    {
        // TODO Auto-generated method stub
        HttpClient  client = new DefaultHttpClient();
        String SERVER_HOST="10.0.2.2";
        int SERVER_PORT = 80;
        String URL = "http://10.0.2.2:80/WebService/WebServiceImpl.svc/Test";
        HttpHost target = new HttpHost(SERVER_HOST, SERVER_PORT, "http");
        HttpGet request = new HttpGet(URL);
        try
        {
            HttpResponse response = client.execute(target,request);
            HttpEntity entity = response.getEntity();
            MessageBox(response.getStatusLine().toString());
        }
        catch(Exception e)
        {
            MessageBox("excepton");
            MessageBox(e.toString());
        }
    }

    public void MessageBox(String message){
        Toast.makeText(this,message,Toast.LENGTH_LONG).show();
    }

首先在浏览器中测试这个url。如果您有相同的问题，请在清单中为您的服务启用web访问

辅助检查ip 10.0.2.2是否可从您的手机访问。
我使用“SoapObject”解决此问题

代码的一部分：

public static final String NAMESPACE = "http://tempuri.org/";
public static final String URL = "http://10.0.2.2:80/MyFirstPublishedWebService/WebServiceImpl.svc?wsdl";  
public static final String SOAP_ACTION = "http://tempuri.org/IWebServiceImpl/Login";
public static final String METHOD_NAME = "Login";

SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
SoapSerializationEnvelope envelope = 
    new SoapSerializationEnvelope(SoapEnvelope.VER11); 

envelope .dotNet = true;

envelope.setOutputSoapObject(request);
HttpTransportSE androidHttpTransport = new HttpTransportSE(URL);

try {
    androidHttpTransport.call(SOAP_ACTION, envelope);
}
catch (Exception e) {

}

亚历克斯，谢谢你的回答
 您的配置在服务器上看起来如何？它是否具有具有正确行为集的webHttpBinding？