title: android Can nine-patch images be used instead of the hdpi,mdpi,ldpi
body: <p>what about nine-patch images.<br>
  Can they be used instead of the ?    </p>
  
  <ul>
  <li><p>/res/drawable-hdpi/icon.png ….. 72×72</p></li>
  <li><p>/res/drawable-mdpi/icon.png …. 48×48</p></li>
  <li><p>/res/drawable-ldpi/icon.png …… 36×36</p></li>
  </ul>
  
  <blockquote>
    <p>What are the benefits/drawbacks?</p>
  </blockquote>