This is the best example I have found and used also: [http://androidcodesnips.blogspot.in/2011/09/three-level-expandable-list.html][1]
Its working, I have changed it as my need.
tags: 3 level expandablelistview, multi level listview

[1]: http://androidcodesnips.blogspot.in/2011/09/three-level-expandable-list.html

This is the best example I have found and used also: http://androidcodesnips.blogspot.in/2011/09/three-level-expandable-list.html
Its working, I have changed it as my need.
tags: 3 level expandablelistview, multi level listview