packages/SystemUI/res-keyguard/layout/keyguard_clock_switch.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
**
** Copyright 2018, 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.
*/
-->

<!-- This is a view that shows clock information in Keyguard. -->
<com.android.keyguard.KeyguardClockSwitch
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/keyguard_clock_container"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:clipChildren="false"
    android:layout_gravity="center_horizontal|top">
    <com.android.keyguard.KeyguardClockFrame
        android:id="@+id/lockscreen_clock_view"
        android:layout_width="wrap_content"
        android:layout_height="@dimen/small_clock_height"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:clipChildren="false"
        android:paddingStart="@dimen/clock_padding_start"
        android:visibility="invisible" />
    <com.android.keyguard.KeyguardClockFrame
        android:id="@+id/lockscreen_clock_view_large"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clipChildren="false"
        android:visibility="gone" />

    <!-- Not quite optimal but needed to translate these items as a group. The
         NotificationIconContainer has its own logic for translation. -->
    <com.android.keyguard.KeyguardStatusAreaView
        android:id="@+id/keyguard_status_area"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:layout_below="@id/lockscreen_clock_view">

      <include layout="@layout/keyguard_slice_view"
               android:id="@+id/keyguard_slice_view"
               android:layout_width="match_parent"
               android:layout_height="wrap_content" />

      <com.android.systemui.statusbar.phone.NotificationIconContainer
          android:id="@+id/left_aligned_notification_icon_container"
          android:layout_width="match_parent"
          android:layout_height="@dimen/notification_shelf_height"
          android:paddingStart="@dimen/below_clock_padding_start_icons"
          android:visibility="invisible"
          />
    </com.android.keyguard.KeyguardStatusAreaView>
</com.android.keyguard.KeyguardClockSwitch>