car_product/car_ui_portrait/rro/CarUiPortraitMediaRRO/res/layout/fragment_error.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2021 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.
  -->
<RelativeLayout
    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">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="0dp"
        android:layout_height="0dp">
        <Space
            android:id="@+id/ui_content_start_guideline"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginLeft="0dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
        />

        <Space
            android:id="@+id/ui_content_top_guideline"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginTop="96dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
        />

        <Space
            android:id="@+id/ui_content_end_guideline"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_marginRight="0dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
        />

        <Space
            android:id="@+id/ui_content_bottom_guideline"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginBottom="0dp"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintBottom_toBottomOf="parent"
        />

    </androidx.constraintlayout.widget.ConstraintLayout>

    <com.android.car.apps.common.UxrTextView
        android:id="@+id/error_message"
        android:layout_width="520dp"
        android:layout_height="44dp"
        android:gravity="center"
        android:layout_marginTop="440dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"/>

    <com.android.car.apps.common.UxrButton
        android:id="@+id/error_button"
        android:layout_width="760dp"
        android:layout_height="88dp"
        android:background="@color/button_background_color"
        android:textAlignment="center"
        android:gravity="center"
        android:layout_marginTop="120dp"
        android:layout_centerHorizontal="true"
        android:layout_below="@id/error_message"/>

</RelativeLayout>