code: private void setButtonsVisibleForPreHC() {
          if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
              ViewHelper.setAlpha(mMidContainer, 1.0f);
              ViewHelper.setAlpha(mLeftContainer, 1.0f);
              ViewHelper.setAlpha(mRightContainer, 1.0f);
          }
      }
docs: Hide views for pre-Honeycomb devices