tests/tests/widget/res/layout/calendarview_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2016 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
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License
  -->

<ScrollView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/scroller"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fillViewport="true">

    <LinearLayout
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <CalendarView
            android:id="@+id/calendar_view_material"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:firstDayOfWeek="2"
            android:dateTextAppearance="@style/TextAppearance.WithColor"
            android:weekDayTextAppearance="@style/TextAppearance.WithColorGreen" />

        <!-- CalendarView in Holo Light style for testing attributes and APIs that control
             the deprecated visual aspects of this widget. -->
        <CalendarView
            style="@android:style/Widget.Holo.Light.CalendarView"
            android:id="@+id/calendar_view_holoyolo"
            android:layout_width="match_parent"
            android:layout_height="320dip"
            android:firstDayOfWeek="3"
            android:shownWeekCount="5"
            android:showWeekNumber="false"
            android:selectedWeekBackgroundColor="@color/calendarview_week_background"
            android:focusedMonthDateColor="@color/calendarview_focusedmonthdate"
            android:unfocusedMonthDateColor="@color/calendarview_unfocusedmonthdate"
            android:dateTextAppearance="@style/TextAppearance.WithColor"
            android:weekDayTextAppearance="@style/TextAppearance.WithColorGreen"
            android:selectedDateVerticalBar="@drawable/blue_fill" />

    </LinearLayout>

</ScrollView>