startop/view_compiler/dex_builder_test/res/layout/layout1.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:paddingLeft="16dp"
   android:paddingRight="16dp"
   android:orientation="vertical"
   android:gravity="center">

    <Button
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

 </LinearLayout>