Group click listener in android expandable list view

I have an expandable list view where the first group is empty i.e. it has no children while all others have children . Now I have to implement onChildClick for all the groups except the first one.

Android: ClassCastException when adding a header view to ExpandableListView

I'm trying to add a header to an ExpandableListView like so:

setting different imageview of expandableListview

Hello everyone I worked with this tutorial for ExpandableListView with checkboxes: link to tutorial .