title: Why can't I place an Adview after a ListView?
body: <p>I'm testing an <code>Adview</code> on my layout. If I place the <code>Adview</code> before the <code>ListView</code> everything is fine but if I place it after the <code>ListView</code> it just doesn't show up.</p>
  
  <p>What's wrong?</p>
  
  <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
      android:layout_width="fill_parent"
      android:layout_height="wrap_content"
      android:orientation="vertical" &gt;
  
      &lt;ListView
          android:id="@+id/android:list"
          android:layout_width="fill_parent"
          android:layout_height="fill_parent"
          android:layout_gravity="bottom"
          android:background="@android:color/white" /&gt;
  
      &lt;com.google.ads.AdView
          android:id="@+id/adView"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          ads:adSize="BANNER"
          ads:adUnitId="xxxx"
          ads:testDevices="xxxx" /&gt;
  
  &lt;/LinearLayout&gt;
  </code></pre>