Auxio/app/src/main/res/layout/item_album_header.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <data>

        <variable
            name="album"
            type="org.oxycblt.auxio.music.Album" />

        <variable
            name="detailModel"
            type="org.oxycblt.auxio.detail.DetailViewModel" />

        <variable
            name="playbackModel"
            type="org.oxycblt.auxio.playback.PlaybackViewModel" />
    </data>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:animateLayoutChanges="true">

        <ImageView
            android:id="@+id/album_cover"
            style="@style/ElevatedImageView"
            android:layout_width="@dimen/size_cover_detail"
            android:layout_height="@dimen/size_cover_detail"
            android:layout_marginTop="@dimen/spacing_medium"
            android:contentDescription="@{@string/description_album_cover(album.name)}"
            app:albumArt="@{album}"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:src="@drawable/ic_album" />

        <TextView
            android:id="@+id/album_name"
            style="@style/DetailTitleText"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="@dimen/spacing_medium"
            android:layout_marginTop="@dimen/spacing_medium"
            android:layout_marginEnd="@dimen/spacing_medium"
            android:text="@{album.name}"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.5"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/album_cover"
            tools:text="Album Name" />

        <TextView
            android:id="@+id/album_artist"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="@dimen/spacing_medium"
            android:onClick="@{() -> detailModel.navToItem(album.artist)}"
            android:text="@{album.artist.name}"
            android:textAppearance="?android:attr/textAppearanceListItem"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/album_name"
            tools:text="Artist Name" />

        <TextView
            android:id="@+id/album_details"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="@dimen/spacing_medium"
            android:textAppearance="?android:attr/textAppearanceListItem"
            android:textColor="?android:attr/textColorSecondary"
            app:albumDetails="@{album}"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/album_artist"
            tools:text="2020 / 10 Songs / 16:16" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/album_play_button"
            style="@style/Widget.MaterialComponents.Button.Unimportant"
            android:onClick="@{() -> playbackModel.playAlbum(album, false)}"
            android:text="@string/label_play"
            app:layout_constraintEnd_toStartOf="@+id/album_shuffle_button"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/album_details" />

        <com.google.android.material.button.MaterialButton
            android:id="@+id/album_shuffle_button"
            style="@style/Widget.MaterialComponents.Button.Highlighted"
            android:backgroundTint="?attr/colorPrimary"
            android:onClick="@{() -> playbackModel.playAlbum(album, true)}"
            android:text="@string/label_shuffle"
            app:layout_constraintBottom_toBottomOf="@+id/album_play_button"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@+id/album_play_button"
            app:layout_constraintTop_toTopOf="@+id/album_play_button" />

        <TextView
            android:id="@+id/album_song_header"
            style="@style/HeaderText"
            android:layout_marginTop="@dimen/spacing_small"
            android:background="@drawable/ui_header_dividers"
            android:text="@string/label_songs"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/album_play_button" />

        <ImageButton
            android:id="@+id/album_sort_button"
            style="@style/HeaderAction"
            android:contentDescription="@string/description_sort_button"
            android:onClick="@{() -> detailModel.incrementAlbumSortMode()}"
            app:layout_constraintBottom_toBottomOf="@+id/album_song_header"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="@+id/album_song_header"
            app:sortIcon="@{detailModel.albumSortMode}"
            tools:src="@drawable/ic_sort_numeric_down" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>