android:backupAgent="TheBackupAgent"&gt;
    ...
    &lt;meta-data android:name="com.google.android.backup.api_key"
    android:value="ABcDe1FGHij2KlmN3oPQRs4TUvW5xYZ" /&gt;
    ...
&lt;/application&gt;
</pre>
<h2 id="agent">Write Your Backup Agent</h2>
<p>The easiest way to create your backup agent is by extending the wrapper class
<code><a href="../../reference/android/app/backup/BackupAgentHelper.html">BackupAgentHelper</a></code>.  Creating this helper class is
actually a very simple process.  Just crea