if (!isGroupExpanded(groupPosition)) { totalChildrenHeight = 0;
case R.id.layout_group_item: if (mExpandableItemManager.isGroupExpanded(groupPosition)) { mExpandableItemManager.collapseGroup(groupPosition); } else {
.getPackedPositionGroup(firstExpandablePosition); boolean fGroupExpanded = mRVExpandableItemManager.isGroupExpanded(fGroupPos);