Conversations/res/layout-w360dp/fragment_conversations_overview.xml

<android.support.v4.widget.SlidingPaneLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/content_view_spl"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="300dp"
        android:layout_height="match_parent"
        android:background="@color/primarybackground"
        android:orientation="vertical" >

        <ListView
            android:id="@+id/list"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@color/primarybackground"
            android:divider="@color/divider"
            android:dividerHeight="1dp" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/selected_conversation"
        android:layout_width="fill_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="vertical" >
    </LinearLayout>

</android.support.v4.widget.SlidingPaneLayout>