title: How can i get cache size used by Picasso and empty it
body: <p>I use <a href="http://square.github.io/picasso/" rel="nofollow noreferrer">Picasso</a> to load images from server and Volley to do requests.</p>
  
  <p>Example:</p>
  
  <pre><code>Picasso.with(getContext()).load(article.getImagePath()).error(R.drawable.placeholder_blue_sd).placeholder(R.drawable.placeholder_blue_sd).into(image);
  </code></pre>
  
  <ol>
  <li>How do I get cache size?</li>
  <li>How to empty the cache?</li>
  </ol>