tests/CarTrustAgentClientApp/res/layout/phone_enrolment_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:weightSum="1">
    <ScrollView
        android:id="@+id/scroll"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:scrollbars="vertical"
        android:layout_weight="0.80">
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/output"/>
    </ScrollView>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="0.10"
        android:orientation="horizontal">
        <Button
            android:id="@+id/enroll_scan"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:text="@string/enroll_scan"/>
        <Button
            android:id="@+id/enroll_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="3"
            android:text="@string/enroll_button"/>
    </LinearLayout>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="0.10"
        android:orientation="horizontal">
        <Button
            android:id="@+id/unlock_scan"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:text="@string/unlock_scan"/>
        <Button
            android:id="@+id/unlock_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="3"
            android:text="@string/unlock_button"/>
    </LinearLayout>
</LinearLayout>