void refreshPage(int pageIndex) {
   if (frontCards.getIndex() == pageIndex) frontCards.markForceReload();
   if (backCards.getIndex() == pageIndex) backCards.markForceReload();
 }
 void refreshPageView(View view) {
   if (frontCards.getView() == view) frontCards.markForceReload();
   if (backCards.getView() == view) backCards.markForceReload();
 }