public void populateCombos(Activity activity,final Listener listener){
  List<String> services=getServices(activity.getPackageManager());
  populateCombos(activity,services,listener);
}

public void populateCombos ( Activity activity , final Listener listener ) { List < String > services = getServices ( activity . getPackageManager ( ) ) ; populateCombos ( activity , services , listener ) ; }
collect together the languages supported by the given services and call back once done .
