public static RemoveFilesDialogFragment newInstance(OCFile file){
  ArrayList<OCFile> list=new ArrayList<>();
  list.add(file);
  return newInstance(list);
}

public static RemoveFilesDialogFragment newInstance ( OCFile file ) { ArrayList < OCFile > list = new ArrayList < > ( ) ; list . add ( file ) ; return newInstance ( list ) ; }
convenience factory method to create new removefilesdialogfragment instances for a single file
