code: public void hideProgress() {
          mSearchProgress.setVisibility(View.GONE);
          mLeftAction.setAlpha(0.0f);
          mLeftAction.setVisibility(View.VISIBLE);
          ObjectAnimator.ofFloat(mLeftAction, "alpha", 0.0f, 1.0f).start();
      }
docs: Hides the progress bar after
  a prior call to showProgress()