code: public static Request forFile(File file) {
          String url = Uri.fromFile(file).toString();
          return new Request(url).addFlag(Flag.SKIP_DISK_CACHE);
      }
docs: Create a request for this file on the local file system.
  
  Note that this sets the SKIP_DISK_CACHE to skip disk cache
  
  @param file path to the file
  @return a request for this file