AutoCompleteTextView with SimpleAdapter

public class StopSimpleAdapter extends SimpleAdapter implements Filterable  {

 private ArrayList‹HashMap‹String, String›› mAllStops;

 private ArrayList‹HashMap‹String, String›› mStopsShown;

 
 public StopSimpleAdapter(Context context, List stops, int resource,
   String[] from, int[] to) {
  super(context, stops, resource, from, to);
  mStopsShown = (ArrayList‹HashMap‹String, String››) stops;
  mAllStops = (ArrayList‹HashMap‹String, String››) mStopsShown.clone();
 }

 @Override
 public Filter getFilter() {
  Filter nameFilter = new Filter(){

   @Override
   public String convertResultToString(Object resultValue) {
    return ((HashMap‹String, String›)(resultValue)).get(Stop.NAME);
   }

   @Override
   protected FilterResults performFiltering(CharSequence constraint) {
    if(constraint != null)
    {
     ArrayList‹HashMap‹String, String›› tmpAllStops = mAllStops;
     ArrayList‹HashMap‹String, String›› tmpStopsShown = mStopsShown;
     tmpStopsShown.clear();  
     for(int i = 0; i ‹ tmpAllStops.size(); i++)
     {
      if(tmpAllStops.get(i).get(Stop.NAME).toLowerCase().startsWith(constraint.toString().toLowerCase()))
      {
       tmpStopsShown.add(tmpAllStops.get(i));
      }
     }

     FilterResults filterResults = new FilterResults();
     filterResults.values = tmpStopsShown;
     filterResults.count = tmpStopsShown.size();
     return filterResults;
    }
    else
    {
     return new FilterResults();
    }
   }

   @Override
   protected void publishResults(CharSequence constraint,
     FilterResults results) {
    if(results != null && results.count › 0)
    {
     notifyDataSetChanged();
    }
   }};

   return nameFilter;
 }
}