java DOWNLOAD_STICKER_TASK.java

Posted 2021-05-08

        @Override
        protected String doInBackground(String... params) {
            // TODO Auto-generated method stub
            String url = params[0];
//          Log.i("tag", "url="+url);
            String fileName = url.substring(url.lastIndexOf("/") + 1) + ".zip";
            fileName = URLDecoder.decode(fileName);
            Log.i("tag", "fileName=" + fileName);

            File directory = new File(ProjectConfig.DIR_EMOJI);
            File file = new File(directory, fileName);
            if (file.exists()) {
                Log.i("tag", "The file has already exists.");
                return fileName;
            }
            try {
                HttpClient client = new DefaultHttpClient();
//                client.getParams().setIntParameter("http.socket.timeout",3000);//设置超时
                HttpGet get = new HttpGet(url);
                HttpResponse response = client.execute(get);
                if (HttpStatus.SC_OK == response.getStatusLine().getStatusCode()) {
                    HttpEntity entity = response.getEntity();
                    InputStream input = entity.getContent();
                    writeToSDCard(fileName, input);
                    input.close();
//                  entity.consumeContent();
                    return fileName;
                } else {
                    return null;
                }
            } catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }