title: Add an AdMob Ad above a TabbedView?
body: <p>I am getting an "Error parsing XML file: Unbound prefix" when I try to put my AdMob ad reference above a tabbed view.  Any ideas how to fix that?</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;TabHost xmlns:android="http://schemas.android.com/apk/res/android"
      android:id="@android:id/tabhost" android:layout_width="fill_parent"
      android:layout_height="fill_parent"&gt;
      &lt;LinearLayout android:orientation="vertical"
          android:layout_width="fill_parent" android:layout_height="fill_parent"
          android:padding="5dp"&gt;
          &lt;com.admob.android.ads.AdView android:id="@+id/ad"
              android:layout_width="fill_parent" android:layout_height="wrap_content"
              myapp:backgroundColor="#000000" myapp:primaryTextColor="#FFFFFF"
              myapp:secondaryTextColor="#CCCCCC" /&gt;
          &lt;TabWidget android:id="@android:id/tabs"
              android:layout_width="fill_parent" android:layout_height="wrap_content" /&gt;
          &lt;FrameLayout android:id="@android:id/tabcontent"
                  android:layout_width="fill_parent" android:layout_height="fill_parent"
              android:padding="5dp" /&gt;
      &lt;/LinearLayout&gt;
  &lt;/TabHost&gt;
  </code></pre>