docs: public void setMaxVisiblePageCount(final int pageCount) {
          Log.d(Log.SUBSYSTEM.LAYOUT, TAG, "setMaxVisiblePageCount pageCount = %d mLayouts.size = %d",
                  pageCount, mLayouts.size());
          if (mMaxVisiblePageCount != pageCount) {
              mMaxVisiblePageCount = pageCount;
              recalculateViewPort(mAdapter);
              requestLayout();
          }
      }