packages/CarSystemUI/res/values/config.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 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
  -->
<resources>
    <string name="config_statusBarComponent" translatable="false">
        com.android.systemui.statusbar.car.CarStatusBar
    </string>
    <string name="config_systemUIFactoryComponent" translatable="false">
        com.android.systemui.CarSystemUIFactory
    </string>

    <bool name="config_enableFullscreenUserSwitcher">true</bool>

    <!-- configure which system ui bars should be displayed -->
    <bool name="config_enableLeftNavigationBar">false</bool>
    <bool name="config_enableRightNavigationBar">false</bool>
    <bool name="config_enableBottomNavigationBar">true</bool>

    <!-- Whether heads-up notifications should be shown when shade is open. -->
    <bool name="config_enableHeadsUpNotificationWhenNotificationShadeOpen">true</bool>

    <bool name="config_hideNavWhenKeyguardBouncerShown">true</bool>
    <bool name="config_enablePersistentDockedActivity">false</bool>
    <string name="config_persistentDockedActivityIntentUri" translatable="false"></string>

    <!-- How many icons may be shown at once in the system bar. Includes any
         slots that may be reused for things like IME control. -->
    <integer name="config_maxNotificationIcons">0</integer>

    <!--
        Initial alpha percent value for the background when the notification
        shade is open. Should be a number between, and inclusive, 0 and 100.
        If the number is 0, then the background alpha starts off fully
        transparent. If the number if 100, then the background alpha starts off
        fully opaque. -->
    <integer name="config_initialNotificationBackgroundAlpha">0</integer>
    <!--
        Final alpha percent value for the background when the notification
        shade is fully open. Should be a number between, and inclusive, 0 and
        100. If this value is smaller than
        config_initialNotificationBackgroundAlpha, the background will default
        to a constant alpha percent value using the initial alpha. -->
    <integer name="config_finalNotificationBackgroundAlpha">100</integer>

    <!-- SystemUI Services: The classes of the stuff to start. -->
    <string-array name="config_systemUIServiceComponents" translatable="false">
        <item>com.android.systemui.util.NotificationChannels</item>
        <item>com.android.systemui.keyguard.KeyguardViewMediator</item>
        <item>com.android.systemui.recents.Recents</item>
        <item>com.android.systemui.volume.VolumeUI</item>
        <item>com.android.systemui.stackdivider.Divider</item>
        <item>com.android.systemui.statusbar.phone.StatusBar</item>
        <item>com.android.systemui.usb.StorageNotification</item>
        <item>com.android.systemui.power.PowerUI</item>
        <item>com.android.systemui.media.RingtonePlayer</item>
        <item>com.android.systemui.keyboard.KeyboardUI</item>
        <item>com.android.systemui.pip.PipUI</item>
        <item>com.android.systemui.shortcut.ShortcutKeyDispatcher</item>
        <item>@string/config_systemUIVendorServiceComponent</item>
        <item>com.android.systemui.util.leak.GarbageMonitor$Service</item>
        <item>com.android.systemui.LatencyTester</item>
        <item>com.android.systemui.globalactions.GlobalActionsComponent</item>
        <item>com.android.systemui.ScreenDecorations</item>
        <item>com.android.systemui.biometrics.AuthController</item>
        <item>com.android.systemui.SliceBroadcastRelayHandler</item>
        <item>com.android.systemui.SizeCompatModeActivityController</item>
        <item>com.android.systemui.statusbar.notification.InstantAppNotifier</item>
        <item>com.android.systemui.theme.ThemeOverlayController</item>
        <item>com.android.systemui.navigationbar.car.CarNavigationBar</item>
        <item>com.android.systemui.toast.ToastUI</item>
    </string-array>
</resources>