RingtonePreference Default value
<p>I have this code for my Preference screen,</p>

<pre><code>&lt;RingtonePreference 
    android:key="notification_sound" 
    android:ringtoneType="notification" 
    android:title="Notification Sound" 
    android:showDefault="true" 
    android:showSilent="true" /&gt;
</code></pre>

<p>i want set default value for RingtonePreference to <code>Default Notification Sound</code> in xml, how can do it ?</p>

<p>Thanks</p>
