<PreferenceScreen xmlns:tools="http://schemas.android.com/tools"
              xmlns:android="http://schemas.android.com/apk/res/android">
    <PreferenceCategory
        android:title="menu"
        android:key="menu">

        <PreferenceScreen
            android:title="pref1"
            android:key="pref1" />

        <PreferenceScreen
            android:title="pref2"
            android:key="pref2" />
    </PreferenceCategory>
</PreferenceScreen>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="horizontal">

    <TextView
        android:textColor="#FF0000"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:text="pref2"
        android:layout_alignParentTop="true"
        android:layout_alignParentEnd="true"/>
</RelativeLayout>