如何在android客户端通过POST方法提取WCF REST服务服务器响应

如何在android客户端通过POST方法提取WCF REST服务服务器响应。我已经对字符串进行了加密，然后将其发送到服务器，面临问题

JSONObject jObject = new JSONObject();
            try {
                HttpPost post = new HttpPost(url);
                jObject.put("jsonString", eJSON);
                jObject.put("key", cryptKey);

                Log.i("jason Object", jObject.toString());
                post.setHeader("json", jObject.toString());
                StringEntity se = new StringEntity(jObject.toString());
                se.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE,
                        "application/json"));
                post.setEntity(se);

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但唯一的元素是。。。需要专家帮助。

下面是获得准确响应的代码

HttpEntity responseEntity = getResponse.getEntity();
        Log.d(TAG, "response.getEntity() = " + getResponse.getEntity());
        String HTTP_response = null;
        try {
            HTTP_response = EntityUtils.toString(responseEntity, HTTP.UTF_8);
            Log.i(TAG, "Jsontext = " + HTTP_response);
        } catch (ParseException e1) {

            e1.printStackTrace();
               }

HttpEntity responseEntity = getResponse.getEntity();
        Log.d(TAG, "response.getEntity() = " + getResponse.getEntity());
        String HTTP_response = null;
        try {
            HTTP_response = EntityUtils.toString(responseEntity, HTTP.UTF_8);
            Log.i(TAG, "Jsontext = " + HTTP_response);
        } catch (ParseException e1) {

            e1.printStackTrace();
               }