Как в ListView для каждого элемента сделать подробную информацию

public class SampleAdapter extends BaseExpandableListAdapter {
 
    private final Context mContext;
    private final LayoutInflater mLayoutInflater;
 
    private final String[] mGroups = {
            "Cupcake",
            "Donut",
            "Eclair",
            "Froyo",
            "Gingerbread",
            "Honeycomb",
            "Ice Cream Sandwich",
            "Jelly Bean",
            "KitKat"
    };
 
    private final int[] mGroupDrawables = {
            R.drawable.cupcake,
            R.drawable.donut,
            R.drawable.eclair,
            R.drawable.froyo,
            R.drawable.gingerbread,
            R.drawable.honeycomb,
            R.drawable.ice_cream_sandwich,
            R.drawable.jelly_bean,
            R.drawable.kitkat
    };
 
    private final String[][] mChilds = {
            {"1.5"},
            {"1.6"},
            {"2.0","2.0.1","2.1"},
            {"2.2","2.2.1","2.2.2","2.2.3"},
            {"2.3","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","2.3.6","2.3.7"},
            {"3.0","3.1","3.2","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6"},
            {"4.0", "4.0.1", "4.0.2", "4.0.3", "4.0.4"},
            {"4.1", "4.1.1", "4.1.2", "4.2", "4.2.1", "4.2.2", "4.3", "4.3.1"},
            {"4.4"}
    };
 
    public SampleAdapter(Context context) {
        mContext = context;
        mLayoutInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }
    
    @Override
    public int getGroupCount() {
        return mGroups.length;
    }
 
    @Override
    public Object getGroup(int groupPosition) {
        return mGroups[groupPosition];
    }
 
    @Override
    public long getGroupId(int groupPosition) {
        return groupPosition;
    }
 
    @Override
    public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
        if(convertView == null) {
            convertView = mLayoutInflater.inflate(R.layout.sample_activity_list_group_item, parent, false);
        }
 
        final ImageView image = (ImageView) convertView.findViewById(R.id.sample_activity_list_group_item_image);
        image.setImageResource(mGroupDrawables[groupPosition]);
 
        final TextView text = (TextView) convertView.findViewById(R.id.sample_activity_list_group_item_text);
        text.setText(mGroups[groupPosition]);
        
        final ImageView expandedImage = (ImageView) convertView.findViewById(R.id.sample_activity_list_group_expanded_image);
        final int resId = isExpanded ? R.drawable.minus : R.drawable.plus;
        expandedImage.setImageResource(resId);
 
        return convertView;
    }
 
    @Override
    public int getChildrenCount(int groupPosition) {
        return mChilds[groupPosition].length;
    }
 
    @Override
    public Object getChild(int groupPosition, int childPosition) {
        return mChilds[groupPosition][childPosition];
    }
 
    @Override
    public long getChildId(int groupPosition, int childPosition) {
        return childPosition;
    }
 
    @Override
    public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
        if(convertView == null) {
            convertView = mLayoutInflater.inflate(R.layout.sample_activity_list_child_item, parent, false);
        }
        
        final TextView text = (TextView) convertView.findViewById(R.id.sample_activity_list_child_item_text);
        text.setText(mChilds[groupPosition][childPosition]);
        
        return convertView;
    }
 
    @Override
    public boolean hasStableIds() {
        return false;
    }
 
    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return false;
    }
 
}