ui/android/java/res/layout/date_time_picker_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2012 The Chromium Authors. All rights reserved.

     Use of this source code is governed by a BSD-style license that can be
     found in the LICENSE file.
-->

<!-- ScrollView is needed since sometimes the dialog does not fit in small screen devices. -->
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:orientation="vertical"
        android:gravity="center">

        <DatePicker
            android:id="@+id/date_picker"
            android:layout_gravity="center_horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:spinnersShown="true"
            android:calendarViewShown="false"
            android:contentDescription="@string/accessibility_datetime_picker_date"
            />

        <TimePicker
            android:id="@+id/time_picker"
            android:layout_gravity="center_horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:contentDescription="@string/accessibility_datetime_picker_time"
            />

    </LinearLayout>

</ScrollView>