LibrePilot/androidgcs/res/layout/pfd.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" >

    <org.openpilot.androidgcs.AttitudeView
        android:id="@+id/attitude_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>