docs: public int scrollToPage(int pageNumber) {
          Log.d(Log.SUBSYSTEM.LAYOUT, TAG, "scrollToPage pageNumber = %d mPageCount = %d",
                  pageNumber, mPageCount);
  
          if (mSupportScrollByPage &&
                  (mScrollOver || (pageNumber >= 0 && pageNumber <= mPageCount - 1))) {
              scrollToItem(getFirstItemIndexOnPage(pageNumber));
          } else {
              Log.w(TAG, "Pagination is not enabled!");
          }
          return mCurrentItemIndex;
  	}