docs: public int scrollToNextPage() {
          Log.d(Log.SUBSYSTEM.LAYOUT, TAG, "scrollToNextPage getCurrentPage() = %d currentIndex = %d",
                  getCurrentPage(), mCurrentItemIndex);
  
          if (mSupportScrollByPage) {
              scrollToPage(getCurrentPage() + 1);
          } else {
              Log.w(TAG, "Pagination is not enabled!");
          }
  
          return mCurrentItemIndex;
  	}