ImageLoader.java 文件源码

private static RequestQueue newRequestQueue(Context context) {

        // On HC+ use HurlStack which is based on HttpURLConnection. Otherwise fall back on
        // AndroidHttpClient (based on Apache DefaultHttpClient) which should no longer be used
        // on newer platform versions where HttpURLConnection is simply better.
        Network network = new BasicNetwork(
                UIUtils.hasHoneycomb() ?
                        new HurlStack() :
                        new HttpClientStack(AndroidHttpClient.newInstance(
                                NetUtils.getUserAgent(context))));

        Cache cache = new DiskBasedCache(getDiskCacheDir(context, CACHE_DIR));
        RequestQueue queue = new RequestQueue(cache, network);
        queue.start();
        return queue;
    }