car-ui-lib/referencedesign/res/layout-port/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.
  -->
<!-- This is for the two-row version of the toolbar -->
<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"
    android:tag="CarUiBaseLayoutToolbar">

    <!-- When not in touch mode, if we clear focus in current window, Android will re-focus the
         first focusable view in the window automatically. Adding a FocusParkingView to the window
         can fix this issue, because it can take focus, and it is transparent and its default focus
         highlight is disabled, so it's invisible to the user no matter whether it's focused or not.
         -->
    <com.android.car.ui.FocusParkingView
        android:layout_width="1dp"
        android:layout_height="1dp"/>

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

    <com.android.car.ui.FocusArea
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/car_ui_toolbar_background"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            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"/>

            <androidx.constraintlayout.widget.Guideline
                android:id="@+id/car_ui_toolbar_row_separator_guideline"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:orientation="horizontal"
                app:layout_constraintGuide_begin="96dp" />

            <FrameLayout
                android:id="@+id/car_ui_toolbar_nav_icon_container"
                android:layout_width="112dp"
                android:layout_height="0dp"
                app:layout_constraintBottom_toTopOf="@id/car_ui_toolbar_row_separator_guideline"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent">

                <ImageView
                    android:id="@+id/car_ui_toolbar_nav_icon"
                    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"
                    android:background="@drawable/car_ui_toolbar_menu_item_icon_ripple"
                    android:tint="@color/car_ui_text_color_primary"/>

                <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"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                app:layout_constraintBottom_toTopOf="@id/car_ui_toolbar_row_separator_guideline"
                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"
                    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="16dp"
                          app:layout_goneMarginStart="0dp"
                          app:layout_constraintBottom_toTopOf="@id/car_ui_toolbar_row_separator_guideline"
                          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"
                          android:textAlignment="viewStart"
                          android:textAppearance="@style/TextAppearance.CarUi.Widget.Toolbar.Title"/>
                <TextView android:id="@+id/car_ui_toolbar_subtitle"
                          android:layout_width="wrap_content"
                          android:layout_height="wrap_content"
                          android:visibility="gone"
                          android:textAlignment="viewStart"
                          android:textAppearance="?android:attr/textAppearanceSmall"/>
            </LinearLayout>

            <FrameLayout
                android:id="@+id/car_ui_toolbar_search_view_container"
                android:layout_width="0dp"
                android:layout_height="0dp"
                app:layout_constraintBottom_toTopOf="@id/car_ui_toolbar_row_separator_guideline"
                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" />

            <LinearLayout
                android:id="@+id/car_ui_toolbar_menu_items_container"
                android:divider="@drawable/car_ui_toolbar_menu_item_divider"
                android:showDividers="beginning|middle|end"
                android:layout_width="wrap_content"
                android:layout_height="0dp"
                android:orientation="horizontal"
                app:layout_constraintBottom_toTopOf="@id/car_ui_toolbar_row_separator_guideline"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <com.android.car.ui.toolbar.TabLayout
                android:id="@+id/car_ui_toolbar_tabs"
                android:layout_width="match_parent"
                android:layout_height="96dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintTop_toBottomOf="@id/car_ui_toolbar_row_separator_guideline" />

            <ProgressBar
                android:id="@+id/car_ui_toolbar_progress_bar"
                style="@android:style/Widget.DeviceDefault.ProgressBar.Horizontal"
                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>
    </com.android.car.ui.FocusArea>

</androidx.constraintlayout.widget.ConstraintLayout>