code: public DfuServiceInitiator setZip(@Nullable final Uri uri, @Nullable final String path) {
  		return init(uri, path, 0, DfuBaseService.TYPE_AUTO, DfuBaseService.MIME_TYPE_ZIP);
  	}
docs: Sets the URI or path of the ZIP file.
  At least one of the parameters must not be null.
  If the URI and path are not null the URI will be used.
  
  @param uri  the URI of the file
  @param path the path of the file
  @return the builder