private ArrayList getAndroidViews() {
   if (myAndroidViews.isEmpty()) {
     final ArrayList views = Views;
     final int len = views.size();
     for (int i = 0; i < len; ++i) {
       final ZLAndroidOptionView v = (ZLAndroidOptionView) views.get(i);
       if (v.isVisible()) {
         v.addAndroidViews();
       }
     }
   }
   return myAndroidViews;
 }