data/res/layout/time_picker_material.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2013, 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.
*/
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
    <include
        layout="@layout/time_picker_header_material"
        android:layout_width="match_parent"
        android:layout_height="@dimen/timepicker_header_height"
        android:layout_gravity="center" />
    <android.widget.RadialTimePickerView
        android:id="@+id/radial_picker"
        android:layout_width="wrap_content"
        android:layout_height="@dimen/timepicker_radial_picker_dimen"
        android:layout_gravity="center"
        android:layout_marginTop="@dimen/timepicker_radial_picker_top_margin"
        android:layout_marginStart="@dimen/timepicker_radial_picker_horizontal_margin"
        android:layout_marginEnd="@dimen/timepicker_radial_picker_horizontal_margin" />
    <TextView
        android:visibility="gone"
        android:id="@+id/input_header"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingStart="@dimen/dialog_padding_material"
        android:paddingEnd="@dimen/dialog_padding_material"
        android:paddingTop="20dp"
        android:paddingBottom="20dp"
        android:includeFontPadding="false"
        android:fontFamily="sans-serif-medium"
        android:textSize="34sp"
        android:textColor="@color/white"
        android:text="@string/time_picker_header_text"/>
    <android.widget.TextInputTimePickerView
        android:id="@+id/input_mode"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingStart="?attr/dialogPreferredPadding"
        android:paddingEnd="?attr/dialogPreferredPadding"
        android:visibility="gone" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageButton
            android:id="@+id/toggle_mode"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_marginStart="12dp"
            android:layout_marginEnd="12dp"
            android:padding="12dp"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:tint="?attr/colorControlNormal"
            android:src="@drawable/btn_keyboard_key_material"
            android:contentDescription="@string/time_picker_text_input_mode_description" />
        <Space
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1" />
        <ViewStub
            android:id="@id/buttonPanel"
            android:layout="@layout/alert_dialog_button_bar_material"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layoutDirection="locale" />
    </LinearLayout>

</LinearLayout>