title: how to support latout file in multiple screen size
body: <pre><code>    Issue:
       **how to create layout support all screen size** 
     values
     values-sw320dp (... to 4'')
     values-sw480dp (5'' to 5,5'')
     values-sw600dp (7'' to 10'')
     values-sw720dp (10'' to ...)
     what should be the correct ratio above folder i have to use
  </code></pre>
  
  <p><a href="https://developer.android.com/guide/practices/screens_support.html" rel="nofollow">https://developer.android.com/guide/practices/screens_support.html</a></p>