frameworks/base/packages/SystemUI/res/xml/media_recommendation_expanded.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
  -->
<ConstraintSet
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    >

    <Constraint
        android:id="@+id/sizing_view"
        android:layout_width="match_parent"
        android:layout_height="@dimen/qs_media_session_height_expanded"
        />

    <Constraint
        android:id="@+id/media_cover1_container"
        style="@style/MediaPlayer.Recommendation.AlbumContainer"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toTopOf="@+id/media_title1"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toStartOf="@id/media_cover2_container"
        android:layout_marginEnd="@dimen/qs_media_rec_album_side_margin"
        app:layout_constraintHorizontal_chainStyle="packed"
        app:layout_constraintVertical_chainStyle="packed"
        app:layout_constraintHorizontal_bias="1.0"
        app:layout_constraintVertical_bias="0.4"
        />

    <Constraint
        android:id="@+id/media_title1"
        style="@style/MediaPlayer.Recommendation.Text.Title"
        app:layout_constraintStart_toStartOf="@+id/media_cover1_container"
        app:layout_constraintEnd_toEndOf="@+id/media_cover1_container"
        app:layout_constraintTop_toBottomOf="@+id/media_cover1_container"
        app:layout_constraintBottom_toTopOf="@+id/media_subtitle1"
        />

    <Constraint
        android:id="@+id/media_subtitle1"
        style="@style/MediaPlayer.Recommendation.Text.Subtitle"
        app:layout_constraintStart_toStartOf="@+id/media_cover1_container"
        app:layout_constraintEnd_toEndOf="@+id/media_cover1_container"
        app:layout_constraintTop_toBottomOf="@+id/media_title1"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="@dimen/qs_media_padding"
        />

    <Constraint
        android:id="@+id/media_cover2_container"
        style="@style/MediaPlayer.Recommendation.AlbumContainer"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toTopOf="@id/media_title2"
        app:layout_constraintStart_toEndOf="@id/media_cover1_container"
        app:layout_constraintEnd_toStartOf="@id/media_cover3_container"
        android:layout_marginEnd="@dimen/qs_media_rec_album_side_margin"
        app:layout_constraintVertical_chainStyle="packed"
        app:layout_constraintVertical_bias="0.4"
        />

    <Constraint
        android:id="@+id/media_title2"
        style="@style/MediaPlayer.Recommendation.Text.Title"
        app:layout_constraintStart_toStartOf="@+id/media_cover2_container"
        app:layout_constraintEnd_toEndOf="@+id/media_cover2_container"
        app:layout_constraintTop_toBottomOf="@+id/media_cover2_container"
        app:layout_constraintBottom_toTopOf="@+id/media_subtitle2"
        />

    <Constraint
        android:id="@+id/media_subtitle2"
        style="@style/MediaPlayer.Recommendation.Text.Subtitle"
        app:layout_constraintStart_toStartOf="@+id/media_cover2_container"
        app:layout_constraintEnd_toEndOf="@+id/media_cover2_container"
        app:layout_constraintTop_toBottomOf="@+id/media_title2"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="@dimen/qs_media_padding"
        />

    <Constraint
        android:id="@+id/media_cover3_container"
        style="@style/MediaPlayer.Recommendation.AlbumContainer"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toTopOf="@id/media_title3"
        app:layout_constraintStart_toEndOf="@id/media_cover2_container"
        app:layout_constraintEnd_toEndOf="parent"
        android:layout_marginEnd="@dimen/qs_media_padding"
        app:layout_constraintVertical_chainStyle="packed"
        app:layout_constraintVertical_bias="0.4"
        />

    <Constraint
        android:id="@+id/media_title3"
        style="@style/MediaPlayer.Recommendation.Text.Title"
        app:layout_constraintStart_toStartOf="@+id/media_cover3_container"
        app:layout_constraintEnd_toEndOf="@+id/media_cover3_container"
        app:layout_constraintTop_toBottomOf="@+id/media_cover3_container"
        app:layout_constraintBottom_toTopOf="@+id/media_subtitle3"
        />

    <Constraint
        android:id="@+id/media_subtitle3"
        style="@style/MediaPlayer.Recommendation.Text.Subtitle"
        app:layout_constraintStart_toStartOf="@+id/media_cover3_container"
        app:layout_constraintEnd_toEndOf="@+id/media_cover3_container"
        app:layout_constraintTop_toBottomOf="@+id/media_title3"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="@dimen/qs_media_padding"
        />

</ConstraintSet>