/com/bumptech/glide/load/Encoder.html#getId()">Encoder</a></code></strong></div>
<div class="block">Returns an ID identifying any transformation this encoder may apply to the given data that will be mixed in to
 the cache key.

 <p>
     If the encoder does not transform the data in a way that significantly affects the cached result (ie performs
     no unusual compression or downsampling) an empty string is an appropriate id.
 </p></div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../..