How to implement Expandable android navigation drawer with subitems?

Question

How to implement android navigation drawer like this?

TopLevelView1 ~ TopLevelView4 can select and no children
TopVevelView5 can collaspe

My question is

Answer 1

Try something like that

Java code:

drawerListView.setAdapter(new ExpandableListAdapter() {

            @Override
            public void unregisterDataSetObserver(DataSetObserver observer) {
                // TODO Auto-generated method stub

            }

            @Override
            public void registerDataSetObserver(DataSetObserver observer) {
                // TODO Auto-generated method stub

            }

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

            }

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

            }

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

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

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

            @Override
            public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
                // TODO Auto-generated method stub
                TextView view = new TextView(getApplicationContext());
                view.setText("group " + groupPosition);
                return view;
            }

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

            @Override
            public int getGroupCount() {
                // TODO Auto-generated method stub
                return 5;
            }

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

            @Override
            public long getCombinedGroupId(long groupId) {
                // TODO Auto-generated method stub
                return 0;
            }

            @Override
            public long getCombinedChildId(long groupId, long childId) {
                // TODO Auto-generated method stub
                return 0;
            }

            @Override
            public int getChildrenCount(int groupPosition) {
                // TODO Auto-generated method stub
                return 5;
            }

            @Override
            public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView,
                    ViewGroup parent) {
                TextView view = new TextView(getApplicationContext());
                view.setText("child " + groupPosition);
                return view;
            }

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

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

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