Android download file notification bar displays the instance code of progress bar function

public class MyAsyncTask extends AsyncTask<String,Integer,Integer> {
  private Context context;
  private NotificationManager notificationManager;
  private  builder;
  public MyAsyncTask(Context context){
     = context;
    notificationManager = (NotificationManager) (Activity.NOTIFICATION_SERVICE);
    builder = new (context);
  }
  @Override
  protected void onPreExecute() {
    ();
    (.ic_launcher)
        .setContentInfo("Download...")
        .setContentTitle("Downloading");
  }
  @Override
  protected Integer doInBackground(String... params) {
    (TAG, "doInBackground: "+params[0] );
    InputStream is = null;
    OutputStream os = null;
    HttpURLConnection connection = null;
    int total_length = 0;
    try {
      URL url1 = new URL(params[0]);
      connection = (HttpURLConnection) ();
      ("GET");
      (50000);
      ();
      if(() == 200){
        is = ();
        os = new FileOutputStream("/sdcard/");
        byte [] buf = new byte[1024];
        int len;
        int pro1=0;
        int pro2=0;
        // Get the file stream size for updating progress        long file_length = ();
        while((len = (buf))!=-1){
          total_length += len;
          if(file_length>0) {
            pro1 = (int) ((total_length / (float) file_length) * 100);//Passing progress (note the order)          }
          if(pro1!=pro2) {
            // Call the update function to update the progress            publishProgress(pro2=pro1);
          }
          (buf, 0, len);
        }
      }
    } catch (MalformedURLException e) {
      ();
    } catch (IOException e) {
      ();
    }finally {
      try {
        if (is != null) {
          ();
        }
        if (os != null) {
          ();
        }
      } catch (IOException e) {
        ();
      }
      if (connection != null) {
        ();
      }
    }
    return total_length;
  }
  @Override
  protected void onCancelled(Integer integer) {
    (integer);
  }
  @Override
  protected void onCancelled() {
    ();
  }
  @Override
  protected void onProgressUpdate(Integer... values) {
    (values);
    (100,values[0],false);
    (0x3,());
    //Download progress prompt    ("download"+values[0]+"%");
    if(values[0]==100) {  //Click to install after downloading      Intent it = new Intent(Intent.ACTION_VIEW);
      (Intent.FLAG_ACTIVITY_NEW_TASK);
      (("file:///sdcard/"), "application/-archive");
      PendingIntent pendingIntent = (context, 0, it, PendingIntent.FLAG_UPDATE_CURRENT);
      ("Download Completed")
          .setContentText("Click to install")
          .setContentInfo("Download Completed")
          .setContentIntent(pendingIntent);
      (0x3, ());
    }
  }
  @Override
  protected void onPostExecute(Integer integer) {
    (integer);
    if(integer == 100) {
      (context, "Download Completed", Toast.LENGTH_SHORT).show();
    }
  }
}

//Get the system download service    DownloadManager downloadManager= (DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
    //Create a download request object     request=new ((downUrl));
    ("Table of contents","file name");
    (.NETWORK_MOBILE|.NETWORK_WIFI);
    (.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
    (request);