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

<?xml version="1.0" encoding="utf-8"?>
<!--
** Copyright 2022, 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.
-->

<!-- Action buttons for footer in QS/QQS, containing settings button, power off button etc -->
<com.android.systemui.qs.FooterActionsView
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
    android:layout_width="match_parent"
    android:layout_height="@dimen/footer_actions_height"
    android:elevation="@dimen/qs_panel_elevation"
    android:paddingTop="8dp"
    android:paddingBottom="@dimen/qs_footer_actions_bottom_padding"
    android:background="@drawable/qs_footer_actions_background"
    android:gravity="center_vertical"
    android:layout_gravity="bottom"
>

    <LinearLayout
        android:id="@+id/security_footers_container"
        android:orientation="horizontal"
        android:layout_height="@dimen/qs_footer_action_button_size"
        android:layout_width="0dp"
        android:layout_weight="1"
    />

    <!-- Negative margin equal to -->
    <LinearLayout
        android:layout_height="match_parent"
        android:layout_width="wrap_content"
        android:layout_marginEnd="@dimen/qs_footer_action_inset_negative"
        >

        <com.android.systemui.statusbar.phone.MultiUserSwitch
            android:id="@+id/multi_user_switch"
            android:layout_width="@dimen/qs_footer_action_button_size"
            android:layout_height="@dimen/qs_footer_action_button_size"
            android:background="@drawable/qs_footer_action_circle"
            android:focusable="true">

            <ImageView
                android:id="@+id/multi_user_avatar"
                android:layout_width="@dimen/qs_footer_icon_size"
                android:layout_height="@dimen/qs_footer_icon_size"
                android:layout_gravity="center"
                android:scaleType="centerInside" />
        </com.android.systemui.statusbar.phone.MultiUserSwitch>

        <com.android.systemui.statusbar.AlphaOptimizedFrameLayout
            android:id="@+id/settings_button_container"
            android:layout_width="@dimen/qs_footer_action_button_size"
            android:layout_height="@dimen/qs_footer_action_button_size"
            android:background="@drawable/qs_footer_action_circle"
            android:clipChildren="false"
            android:clipToPadding="false">

            <com.android.systemui.statusbar.phone.SettingsButton
                android:id="@+id/settings_button"
                android:layout_width="@dimen/qs_footer_icon_size"
                android:layout_height="@dimen/qs_footer_icon_size"
                android:layout_gravity="center"
                android:background="@android:color/transparent"
                android:focusable="false"
                android:clickable="false"
                android:importantForAccessibility="yes"
                android:contentDescription="@string/accessibility_quick_settings_settings"
                android:scaleType="centerInside"
                android:src="@drawable/ic_settings"
                android:tint="?android:attr/textColorPrimary" />

        </com.android.systemui.statusbar.AlphaOptimizedFrameLayout>

        <com.android.systemui.statusbar.AlphaOptimizedImageView
            android:id="@+id/pm_lite"
            android:layout_width="@dimen/qs_footer_action_button_size"
            android:layout_height="@dimen/qs_footer_action_button_size"
            android:background="@drawable/qs_footer_action_circle_color"
            android:clickable="true"
            android:clipToPadding="false"
            android:focusable="true"
            android:padding="@dimen/qs_footer_icon_padding"
            android:src="@*android:drawable/ic_lock_power_off"
            android:contentDescription="@string/accessibility_quick_settings_power_menu"
            android:tint="?androidprv:attr/textColorOnAccent" />

    </LinearLayout>
</com.android.systemui.qs.FooterActionsView>