title: DrawerLayout and ActionBarDrawerToggle cannot be resolved to a type
body: <p>I am trying to implement <em>ActionBarSherlock Side Menu Navigation Drawer</em> in my app, but always getting :</p>
  
  <blockquote>
    <p>DrawerLayout cannot be resolved to a type ActionBarDrawerToggle cannot be resolved to a type</p>
  </blockquote>
  
  <p>My <strong>imports</strong> are:</p>
  
  <pre><code>import android.content.res.Configuration;
  import android.os.Bundle;
  import android.support.v4.app.Fragment;
  import android.support.v4.app.FragmentTransaction;
  import android.view.View;
  import android.widget.AdapterView;
  import android.widget.ListView;
  
  import com.actionbarsherlock.app.SherlockFragmentActivity;
  import com.actionbarsherlock.view.MenuItem;
  </code></pre>