code: private void initUpdateAdsTimer() {
          updateAdsTimer = new Timer();
          updateAdsTimer.schedule(new TimerTask() {
              @Override
              public void run() {
                  runOnUiThread(new Runnable() {
                      @Override
                      public void run() {
                          adapterWrapper.requestUpdateAd();
                      }
                  });
              }
          }, 60*1000, 60*1000);
      }
docs: /*
  Could be omitted. It's only for updating an ad blocks in each 60 seconds without refreshing the list