<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:text="@string/toggle"
android:id="@+id/toggleButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>