private static class MyExpandableListItemAdapter extends ExpandableListItemAdapter<Integer> {

	private Context mContext;

	/*
	 * This will create a new ExpandableListItemAdapter, providing a custom layout resource, 
     * and the two child ViewGroups' id's. If you don't want this, just pass either just the
     * Context, or the Context and the List<T> up to super.
	 */
	private MyExpandableListItemAdapter(Context context, List<Integer> items) {
		super(context, R.layout.activity_expandablelistitem_card, R.id.activity_expandablelistitem_card_parent, R.id.activity_expandablelistitem_card_content, items);
		mContext = context;			
	}

	@Override
	public View getTitleView(int position, View convertView, ViewGroup parent) {
		TextView tv = (TextView) convertView;
		if (tv == null) {
			tv = new TextView(mContext);
		}
		tv.setText(mContext.getString(R.string.expandorcollapsecard, getItem(position)));
		return tv;
	}

	@Override
	public View getContentView(int position, View convertView, ViewGroup parent) {
		TextView tv = (TextView) convertView;
		if (tv == null) {
			tv = new TextView(mContext);
		}
		tv.setText(mContext.getString(R.string.content, getItem(position)));
		return tv;
	}
}