Collapse all group except selected group in expandable listview android

Question

I\'m developing android application using expandable list view. Actually what I need is, I\'m listing group, which contains child.

If I select an unexpandable group

Answer 1

I also faced the same problem. But I could solved my problem by the following code:

As I had 4 Headers in my expandable list, based on that i wrote like this

expListView.setOnGroupExpandListener(new OnGroupExpandListener() {

            @Override
            public void onGroupExpand(int groupPos) {
                // TODO Auto-generated method stub
                expListView.collapseGroup(groupPos+1);
                expListView.collapseGroup(groupPos-1);
                expListView.collapseGroup(groupPos-2);
                expListView.collapseGroup(groupPos+2);
                expListView.collapseGroup(groupPos+3);
                expListView.collapseGroup(groupPos-3);
            }
        });`

Answer 2

Get ExpendableListView and then override the following method - setOnGroupExpandListener

expandableListView = (ExpandableListView) findViewById(R.id.exp_listview);

expandableListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {
        int previousItem = -1;

        @Override
        public void onGroupExpand(int groupPosition) {
            if (groupPosition != previousItem)
                expandableListView.collapseGroup(previousItem);
            previousItem = groupPosition;
        }
    });