private Integer runScanner(String parentPath,String... fileNames){
  this.mCurrentFolder=parentPath;
  final Integer resultCount=super.doInBackground(null,fileNames);
  if (resultCount != null) {
    this.mCount+=resultCount.intValue();
  }
  return resultCount;
}

private Integer runScanner ( String parentPath , String ... fileNames ) { this . mCurrentFolder = parentPath ; final Integer resultCount = super . doInBackground ( null , fileNames ) ; if ( resultCount != null ) { this . mCount += resultCount . intValue ( ) ; } return resultCount ; }
call the original background scanner and update the statistics
