openrocket/android/res/layout/rocket_configurations.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <!--
        Note because my implementation of ExpandableListFragment is stupid, the id
        of the ExpandableListView must be @android:id/list
    -->

    <ExpandableListView
        android:id="@android:id/list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>