public static void rmFilesAndFolders(String path)
  {
    File f = new File(path);
    if (f.exists())
    {
      if (f.isFile())
        f.delete();
      else
      {
        String[] childrens = f.list();
        for (String item : childrens)
        {
          rmFilesAndFolders(path + "/" + item);
        }
        f.delete();
      }
    }
  }