Error while Accessing a WCF Service in Android

[vuyiswamb]

Good Day All

i am consuming a Wcf service from Android. i am a bit new to Android Dev most of my problems i was able to resolve. this one caught me off guard. My wcf service is defined as follows

     public List<MemberModel> Helloworld(string number)
            {
            List<MemberModel> lstnames = new List<MemberModel>();
            MemberModel model = new MemberModel();
            model.MEMBER_NAME = "Vuyiswa";
            lstnames.Add(model);
            return lstnames;

            }

and my Memember datacontract class is defined like this

 [DataContract]
    public class MemberModel 
        {

         private string _MEMBER_NAME;
  
          [DataMember(Name = "MEMBER_NAME")]
         public string  MEMBER_NAME
            {

            get
                {
                return _MEMBER_NAME;
                }
            set
                {
                _MEMBER_NAME = value;
                }

            }
    }

and my ServiceContract looks like this

    [DataContract]
    public class MemberModel 
        {
        private string _MEMBER_NAME;
  
          [DataMember(Name = "MEMBER_NAME")]
        public string  MEMBER_NAME
            {

            get
                {
                return _MEMBER_NAME;
                }
            set
                {
                _MEMBER_NAME = value;
                }

            }
}

and i am consuming this in my Adroid app like this

public void getWcfService() throws ClientProtocolException, IOException, JSONException
	{

   	    TextView textView1 = (TextView)findViewById(R.id.textView1);
            DefaultHttpClient httpClient = new DefaultHttpClient(); 
            HttpGet request = new HttpGet(SERVICE_URI + "/Helloworld/1");
           request.setHeader("Accept", "application/json"); 
          request.setHeader("Content-type", "application/json"); 
        
          HttpResponse response = httpClient.execute(request); 
 
         HttpEntity responseEntity = response.getEntity(); 
        
         
        // Read response data into buffer
        char[] buffer = new char[(int)responseEntity.getContentLength()];
        InputStream stream = responseEntity.getContent();
        InputStreamReader reader = new InputStreamReader(stream);
        reader.read(buffer);
        stream.close();

         JSONObject MemberModel = new JSONObject(new String(buffer));
         
       	textView1.setText(MemberModel.getString("MEMBER_NAME"));
      
	}

i get an Error on the Following line

       JSONObject MemberModel = new JSONObject(new String(buffer));

and the Error is

org.json.JSONException: End of input at character 0 of

I have looked at the my Wcf service, i used the wcftestclient to test the public url and it brings that one item in the list.


Thanks for your Help in Advance