docs: @Override
      public void onInitializeAccessibilityNodeInfo(@NonNull AccessibilityNodeInfo info) {
          super.onInitializeAccessibilityNodeInfo(info);
          if (Build.VERSION.SDK_INT >= 21) {
              info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
              info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
          }
          else {
              info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
              info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
          }
      }