packages/overlays/NavigationBarModeGesturalOverlay/res/values/config.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/**
 * Copyright (c) 2019, 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>
    <!-- Controls the navigation bar interaction mode:
         0: 3 button mode (back, home, overview buttons)
         1: 2 button mode (back, home buttons + swipe up for overview)
         2: gestures only for back, home and overview -->
    <integer name="config_navBarInteractionMode">2</integer>

    <!-- Controls whether the nav bar can move from the bottom to the side in landscape.
         Only applies if the device display is not square. -->
    <bool name="config_navBarCanMove">false</bool>

    <!-- Controls whether the navigation bar lets through taps. -->
    <bool name="config_navBarTapThrough">true</bool>

    <!-- Controls the size of the back gesture inset. -->
    <dimen name="config_backGestureInset">20dp</dimen>

    <!-- Controls whether the navbar needs a scrim with
     {@link Window#setEnsureNavigationBarContrastWhenTransparent}. -->
    <bool name="config_navBarNeedsScrim">false</bool>

</resources>