public Filter getFilter() {
    return new Filter() {
        @Override
        protected FilterResults performFiltering(CharSequence constraint) {
            final FilterResults oReturn = new FilterResults();
            final ArrayList<Info_Filter> results = new ArrayList<Info_Filter>();
            if (orig == null)
                orig = items;
            if (constraint != null) {
                if (orig != null & orig.size() > 0) {
                    for (final Info_Filter g : orig) {
                        if (g.getName().toLowerCase().contains(constraint.toString()))
                            results.add(g);
                    }
                }
                oReturn.values = results;
            }
            return oReturn;
        }

        @Override
        protected void publishResults(CharSequence constraint, FilterResults results) {
            items = (ArrayList<Info_Filter>) results.values;
            notifyDataSetChanged();
        }
    };
}