tests/TransitionTests/res/layout/instance_targets.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:id="@+id/container">

    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentLeft="true"
            android:onClick="sendMessage"
            android:id="@+id/button0"/>

    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/button0"
            android:onClick="sendMessage"
            android:id="@+id/button1"/>

    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/button1"
            android:onClick="sendMessage"
            android:id="@+id/button2"/>

    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/button2"
            android:onClick="sendMessage"
            android:id="@+id/button3"/>


</RelativeLayout>