title: Android ProgressBar: how to set secondary color programmatically
body: <p>I need to set secondary progress bar color <strong>programmatically</strong>.</p>
  
  <p>I only see the method</p>
  
  <pre><code>ProgressBar.setProgressDrawable(drawable)
  </code></pre>
  
  <p>for set the primary color, but there isn't a method for set the secondary color.</p>
  
  <p>How I can do it?</p>