public static void query(String type, String postId, final HttpCallback<SearchResult> callback) {
    String action = "/query";
    Map<String, String> params = new HashMap<>(2);
    params.put("type", type);
    params.put("postid", postId);
    String url = makeUrl(action, params);
    GsonRequest<SearchResult> request = new GsonRequest<SearchResult>(url, SearchResult.class,
            new Response.Listener<SearchResult>() {
                @Override
                public void onResponse(SearchResult searchResult) {
                    callback.onResponse(searchResult);
                }
            },
            new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError volleyError) {
                    callback.onError(volleyError);
                }
            }) {
        @Override
        public Map<String, String> getHeaders() throws AuthFailureError {
            Map<String, String> headers = new HashMap<>();
            headers.put(HEADER_REFERER, BASE_URL);
            return headers;
        }
    };
    request.setShouldCache(false);
    getRequestQueue().add(request);
}

Copyright 2016 wangchenyan

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.