how to create GridView and listview in expandablelistview

Question

In my project in first parent of expandablelistview have simple listview and other some parent have gridview layout. how to create that type of view. now i create simple expandablelistview here its code:-

public class ExpndListview extends BaseExpandableListAdapter{

    Context context;
    ArrayList<ExpndParent> exParent;
    ArrayList<ExpndChild> exchild;
    String displaystatus = "0";

    public ExpndListview(Context context,ArrayList<ExpndParent> exParent) {
        // TODO Auto-generated constructor stub

        this.context=context;
        this.exParent=exParent;
        //this.exchild=exchild;
    //  Toast.makeText(context, "in the Adapter", Toast.LENGTH_SHORT).show();
    }


    @Override
    public Object getChild(int groupPosition, int childPosition) {
        // TODO Auto-generated method stub

        ArrayList<ExpndChild> chList=exParent.get(groupPosition).getItems();
        return chList.get(childPosition);
    }

    @Override
    public long getChildId(int groupPosition, int childPosition) {
        // TODO Auto-generated method stub
        return childPosition;
    }

    @Override
    public View getChildView(final int groupPosition, final int childPosition,
            boolean isLastChild, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
    final   View vi = convertView;

     final ExpndChild child=(ExpndChild)getChild(groupPosition, childPosition);
        if(convertView==null){

                LayoutInflater infalInflater=(LayoutInflater)context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
                convertView=infalInflater.inflate(R.layout.dinkanddestsecondview, null);



        }

        TextView tvChild=(TextView)convertView.findViewById(R.id.tvChild);
        TextView tvsub=(TextView)convertView.findViewById(R.id.tvsub);
        final TextView tvnum=(TextView)convertView.findViewById(R.id.tvnum);
        TextView tvadd=(TextView)convertView.findViewById(R.id.tvadd);
        TextView tvChildzh = (TextView)convertView.findViewById(R.id.tvChildzh);
        TextView tvprice = (TextView)convertView.findViewById(R.id.tvprice);
        TextView tvid = (TextView)convertView.findViewById(R.id.tvid);


        //tvnum.setText("0");
        tvnum.setText(String.valueOf(child.getnum()));
        tvChildzh.setText(child.gettvChildzh());
        tvprice.setText("$"+child.gettvprice());
        tvprice.setTag(child.gettvprice());
        tvid.setText(child.gettvid());

        tvChild.setText(child.getname().toString());



        }


        return convertView;
    }


    @Override
    public int getChildrenCount(int groupPosition) {
        // TODO Auto-generated method stub

        ArrayList<ExpndChild> chList=exParent.get(groupPosition).getItems();
        return chList.size();
    }


    @Override
    public Object getGroup(int groupPosition) {
        // TODO Auto-generated method stub

        return exParent.get(groupPosition);
    }

    @Override
    public int getGroupCount() {
        // TODO Auto-generated method stub
        return exParent.size();
    }

    @Override
    public long getGroupId(int groupPosition) {
        // TODO Auto-generated method stub
        return groupPosition;
    }

    @Override
    public View getGroupView(int groupPosition, boolean isExpanded,
            View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub


        ExpndParent parentgroup=(ExpndParent)getGroup(groupPosition);
        if(convertView==null){

            LayoutInflater inf=(LayoutInflater)context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
            convertView=inf.inflate(R.layout.expand_parent, null);
        }

        TextView tvGroup=(TextView)convertView.findViewById(R.id.tvGroup);
        ImageView indi=(ImageView)convertView.findViewById(R.id.indi);
        tvGroup.setText(parentgroup.getName());
         if (isExpanded) {
              indi.setImageResource(R.drawable.groupdown);
            } else {
                 indi.setImageResource(R.drawable.groupup);
            }
        return convertView;
    }



    @Override
    public boolean hasStableIds() {
        // TODO Auto-generated method stub
        return true;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        // TODO Auto-generated method stub
        return true;
    }