android main layout and categories howto
<p>in main layout i would like to use something like </p>

<pre><code>&lt;PreferenceCategory
        android:summary="@string/menu_language_settings"
        android:title="@string/menu_language_settings" &gt;
</code></pre>

<p>but here i only have</p>

<pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:paddingTop="50dp" &gt;
</code></pre>

<p>how can i use Categories in main layout? Is this even possible in main layout?</p>
