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>
    <!-- Whether navigation heads-up notifications should be shown. May be set to false if there is a dedicated screen for navigation. -->
    <bool name="config_showNavigationHeadsup">true</bool>
    <!-- Whether card background color can be set or not for category Notification.CATEGORY_NAVIGATION. -->
    <bool name="config_enableCardBackgroundColorForCategoryNavigation">false</bool>
    <!-- Whether card background color can be set or not for notifications from system apps. -->
    <bool name="config_enableCardBackgroundColorForSystemApp">false</bool>
    <!-- Whether small icon accent color can be set or not. -->
    <bool name="config_enableSmallIconAccentColor">true</bool>
    <!-- Whether to show header for the notifications list -->
    <bool name="config_showHeaderForNotifications">false</bool>
    <!-- Whether to show for the notifications list -->
    <bool name="config_showFooterForNotifications">true</bool>
    <!-- Whether to apply notification dismiss animation in the bottom up order on clear all notifications event -->
    <bool name="config_clearAllNotificationsAnimationFromBottomUp">true</bool>
    <!-- Whether to collapse notification shade panel on clear all notification animation end -->
    <bool name="config_collapseShadePanelAfterClearAllNotifications">false</bool>
</resources>