tests/tests/widget/res/layout/widget_attribute_layout.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Copyright (C) 2019 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
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  ~ distributed under the License is distributed on an "AS IS" BASIS,
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent">
    <ProgressBar
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/progress_bar"
        android:minWidth="7dp"
        android:maxWidth="10dp"
        android:progressTint="#ff00ff"
        style="@style/ExplicitStyle1" />

    <Switch android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:id="@+id/switch_view"
          android:switchPadding="5dp"
          style="@style/ExplicitStyle2" />

    <Toolbar android:layout_width="match_parent"
          android:layout_height="match_parent"
          android:id="@+id/toolbar_view1" />
    <Toolbar android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:id="@+id/toolbar_view2"
             style="@style/ExplicitStyle1" />

    <TextView
        android:id="@+id/textview1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        style="@style/ExplicitStyle1" />
</LinearLayout>