title: DrawerLayout and Gravity compat not included in android.support.v4
body: <p>So i got a problem with<br> 
  <code>android.support.v4.view.GravityCompat</code> and<br>
  <code>android.support.v4.widget.DrawerLayout</code>.</p>
  
  <p>It's not included in the support.v4 i checked lot of articles
  about this problem but non of them helped me.</p>
  
  <p>I looked for the classes of those items, but found nothing</p>
  
  <p>Help me please</p>