library/res/layout/car_setup_wizard_toolbar.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    Copyright (C) 2017 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.
-->
<!-- Layout for the Car SetupWizard Toolbar/Application Bar. While stylistically similar to the
     standard Car Toolbar/Application Bar, it doesn't require the same functionality, so it
     doesn't extend it.
-->
<!-- Note: This layout needs a background in order for elevation to show up. -->
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:background="?attr/android:windowBackground"
    android:layout_width="match_parent"
    android:layout_height="@dimen/car_app_bar_height">

    <FrameLayout
        android:id="@+id/back_button_container"
        android:layout_width="@dimen/car_margin"
        android:layout_height="match_parent"
        android:layout_alignParentStart="true">

        <ImageView
            android:id="@+id/back_button"
            android:layout_width="@dimen/car_primary_icon_size"
            android:layout_height="@dimen/car_primary_icon_size"
            android:layout_gravity="center"
            android:background="@drawable/button_ripple_bg"
            android:src="@drawable/car_ic_arrow_back"/>
    </FrameLayout>

    <TextView
        android:id="@+id/toolbar_title"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_marginEnd="@dimen/car_keyline_1"
        android:layout_toEndOf="@id/back_button_container"
        android:gravity="center_vertical"
        android:textAppearance="@style/TextAppearance.Car.Title2"/>

    <LinearLayout
        android:id="@+id/button_container"
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:layout_alignParentEnd="true"
        android:layout_marginEnd="@dimen/car_keyline_1"
        android:orientation="horizontal">

        <ViewStub
            android:id="@+id/secondary_toolbar_button_stub"
            android:layout_width="wrap_content"
            android:layout_height="@dimen/car_button_height"
            android:layout_gravity="center_vertical"
            android:layout_marginEnd="@dimen/car_padding_4"
            android:inflatedId="@+id/secondary_toolbar_button"
            android:layout="@layout/flat_button"/>

        <ViewStub
            android:id="@+id/primary_toolbar_button_stub"
            android:layout_width="wrap_content"
            android:layout_height="@dimen/car_button_height"
            android:layout_gravity="center_vertical"
            android:inflatedId="@+id/primary_toolbar_button"
            android:layout="@layout/primary_button"/>
    </LinearLayout>

    <ProgressBar
        android:id="@+id/progress_bar"
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:indeterminateTint="?android:attr/colorAccent"
        android:indeterminateTintMode="src_in"/>
</RelativeLayout>