title: Cannot find symbol variable Red?
body: <p>I am creating APK by using Assemble release the <strong>Android studio</strong> produce error</p>
  
  <pre><code> Error:(52, 86) error: cannot find symbol variable Red
  </code></pre>
  
  <p>while it work fine on debug. The line of code which produce this error is</p>
  
  <pre><code>spiner.getBackground().setColorFilter(getResources().getColor(R.color.Red), PorterDuff.Mode.SRC_ATOP);
  </code></pre>
  
  <p>Does any guys meet this issue?Any help would be greatly appreciated.</p>