car-ui-lib/res/layout/car_ui_base_layout_toolbar.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2020 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.
  -->
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <!-- When the user finishes searching, we call clearFocus() on the editText in the search bar.
     clearFocus() will actually send the focus to the first focusable thing in the layout.
     If that focusable thing is still the search bar it will just reselect it, and the user won't
     be able to deselect. So make a focusable view here to guarantee that we can clear the focus -->
    <View
        android:layout_width="1dp"
        android:layout_height="1dp"
        android:focusable="true"
        android:focusableInTouchMode="true" />

    <FrameLayout
        android:id="@+id/car_ui_base_layout_content_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/car_ui_toolbar_background"
        style="@style/Widget.CarUi.Toolbar.Container"
        android:layout_width="match_parent"
        android:layout_height="@dimen/car_ui_toolbar_first_row_height"
        android:tag="car_ui_top_inset"
        app:layout_constraintTop_toTopOf="parent">
        <com.android.car.ui.baselayout.ClickBlockingView
            android:layout_width="0dp"
            android:layout_height="0dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"/>

        <!-- The horizontal bias set to 0.0 here is so that when you set this view as GONE, it will
             be treated as if it's all the way to the left instead of centered in the margin -->
        <FrameLayout
            android:id="@+id/car_ui_toolbar_nav_icon_container"
            style="@style/Widget.CarUi.Toolbar.NavIconContainer"
            android:layout_width="@dimen/car_ui_toolbar_margin"
            android:layout_height="0dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <ImageView
                android:id="@+id/car_ui_toolbar_nav_icon"
                style="@style/Widget.CarUi.Toolbar.NavIcon"
                android:layout_width="@dimen/car_ui_toolbar_nav_icon_size"
                android:layout_height="@dimen/car_ui_toolbar_nav_icon_size"
                android:layout_gravity="center"
                android:scaleType="fitXY" />

            <ImageView
                android:id="@+id/car_ui_toolbar_logo"
                android:layout_width="@dimen/car_ui_toolbar_logo_size"
                android:layout_height="@dimen/car_ui_toolbar_logo_size"
                android:layout_gravity="center"
                android:scaleType="fitXY" />
        </FrameLayout>

        <FrameLayout
            android:id="@+id/car_ui_toolbar_title_logo_container"
            style="@style/Widget.CarUi.Toolbar.LogoContainer"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toEndOf="@id/car_ui_toolbar_nav_icon_container"
            app:layout_constraintTop_toTopOf="parent">

            <ImageView
                android:id="@+id/car_ui_toolbar_title_logo"
                style="@style/Widget.CarUi.Toolbar.Logo"
                android:layout_width="@dimen/car_ui_toolbar_logo_size"
                android:layout_height="@dimen/car_ui_toolbar_logo_size"
                android:layout_gravity="center"
                android:scaleType="fitXY" />
        </FrameLayout>

        <LinearLayout android:layout_height="wrap_content"
                      android:layout_width="0dp"
                      android:id="@+id/car_ui_toolbar_title_container"
                      android:orientation="vertical"
                      android:layout_marginStart="@dimen/car_ui_toolbar_title_margin_start"
                      app:layout_goneMarginStart="@dimen/car_ui_toolbar_title_no_logo_margin_start"
                      app:layout_constraintBottom_toBottomOf="parent"
                      app:layout_constraintEnd_toStartOf="@+id/car_ui_toolbar_menu_items_container"
                      app:layout_constraintStart_toEndOf="@+id/car_ui_toolbar_title_logo_container"
                      app:layout_constraintTop_toTopOf="parent">
            <TextView android:id="@+id/car_ui_toolbar_title"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:singleLine="true"
                      style="@style/Widget.CarUi.Toolbar.Title"/>
            <TextView android:id="@+id/car_ui_toolbar_subtitle"
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:visibility="gone"
                      style="@style/Widget.CarUi.Toolbar.Subtitle"/>
        </LinearLayout>

        <com.android.car.ui.toolbar.TabLayout
            android:id="@+id/car_ui_toolbar_tabs"
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/car_ui_toolbar_menu_items_container"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toEndOf="@+id/car_ui_toolbar_title_logo_container"
            app:layout_constraintTop_toTopOf="parent" />

        <LinearLayout
            android:id="@+id/car_ui_toolbar_menu_items_container"
            style="@style/Widget.CarUi.Toolbar.MenuItem.Container"
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:orientation="horizontal"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <FrameLayout
            android:id="@+id/car_ui_toolbar_search_view_container"
            android:layout_width="0dp"
            android:layout_height="@dimen/car_ui_toolbar_search_height"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/car_ui_toolbar_menu_items_container"
            app:layout_constraintStart_toEndOf="@+id/car_ui_toolbar_nav_icon_container"
            app:layout_constraintTop_toTopOf="parent" />

        <ProgressBar
            android:id="@+id/car_ui_toolbar_progress_bar"
            style="@style/Widget.CarUi.Toolbar.ProgressBar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:indeterminate="true"
            android:visibility="gone"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>