title: OkHttp + Picasso + Retrofit
body: <p>The question is how to combine all these <strong>3</strong> libraries in one project?</p>
  
  <ul>
  <li>Make one OkHttpClient to be a background layer for both Picasso and Retrofit.</li>
  <li>How to make Priority changes like in Volley lib. (for pagination)?</li>
  </ul>