wable to the current drawable in one of two ways.

 <ol>
   <li>Using the default animation provided in the constructor if the previous drawable is null
   <li>Using the cross fade animation with the duration provided in the constructor if the
       previous drawable is non null
 </ol></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../com/bumptech/glide/request/transition/Transition.html#transition-R-com.bumptech.glide.request.transition.Transitio