public UrlCritter addUrls(Context context,String... urls){
  List<String> savedUrls=urlManager.getUrls(context);
  for (  String url : urls) {
    if (!savedUrls.contains(url)) {
      savedUrls.add(url);
    }
  }
  urlManager.saveUrls(context,savedUrls);
  return this;
}

public UrlCritter addUrls ( Context context , String ... urls ) { List < String > savedUrls = urlManager . getUrls ( context ) ; for ( String url : urls ) { if ( ! savedUrls . contains ( url ) ) { savedUrls . add ( url ) ; } } urlManager . saveUrls ( context , savedUrls ) ; return this ; }
adds a varg of urls to the saved list
