remoting/android/java/res/layout/desktop.xml

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright 2014 The Chromium Authors. All rights reserved.
     Use of this source code is governed by a BSD-style license that can be
     found in the LICENSE file.
-->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <org.chromium.chromoting.DesktopView android:id="@+id/desktop_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true"
        android:elevation="4dp">
        <androidx.appcompat.widget.Toolbar
            android:id="@+id/toolbar"
            android:alpha="0.85"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:fitsSystemWindows="true"
            style="@style/ToolbarStyle"/>
        <FrameLayout
            android:id="@+id/resize_detector"
            android:layout_below="@id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:fitsSystemWindows="true"
            android:background="@android:color/transparent">
        </FrameLayout>
    </RelativeLayout>
</RelativeLayout>