PlayerAndroid/app/src/main/res/layout/fragment_classic_player.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/playerContainer"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <code.name.monkey.retromusic.views.WidthFitSquareLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.fragment.app.FragmentContainerView
                android:id="@+id/playerAlbumCoverFragment"
                android:name="code.name.monkey.retromusic.fragments.player.PlayerAlbumCoverFragment"
                android:layout_width="match_parent"
                android:layout_height="match_parent" />

            <View
                android:layout_width="match_parent"
                android:layout_height="56dp"
                android:background="@drawable/shadow_down_strong" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <FrameLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content">

                    <include layout="@layout/status_bar" />
                </FrameLayout>

                <com.google.android.material.appbar.MaterialToolbar
                    android:id="@+id/playerToolbar"
                    style="@style/Toolbar"
                    android:layout_gravity="bottom"
                    android:navigationIcon="@drawable/ic_keyboard_arrow_down_black_24dp"
                    app:navigationIcon="@drawable/ic_keyboard_arrow_down_black_24dp" />
            </LinearLayout>
        </code.name.monkey.retromusic.views.WidthFitSquareLayout>
    </FrameLayout>

    <com.google.android.material.card.MaterialCardView
        android:id="@+id/playerQueueSheet"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="bottom"
        app:behavior_hideable="false"
        app:cardCornerRadius="0dp"
        app:cardElevation="12dp"
        app:layout_behavior="code.name.monkey.retromusic.RetroBottomSheetBehavior"
        app:shapeAppearance="@style/ClassicThemeOverLay">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <include
                android:id="@+id/playerControlsContainer"
                layout="@layout/fragment_classic_controls"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:background="?attr/colorSurface"
                android:orientation="vertical">

                <com.google.android.material.textview.MaterialTextView
                    android:id="@+id/player_queue_sub_header"
                    android:layout_width="match_parent"
                    android:layout_height="?attr/listPreferredItemHeightSmall"
                    android:background="?attr/colorSurface"
                    android:gravity="center_vertical"
                    android:paddingLeft="16dp"
                    android:paddingRight="16dp"
                    android:text="@string/up_next"
                    android:textAppearance="@style/TextAppearance.AppCompat.Body2"
                    android:textColor="?android:attr/textColorSecondary" />

                <androidx.recyclerview.widget.RecyclerView
                    android:id="@+id/recyclerView"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:background="?attr/colorSurface"
                    android:overScrollMode="never"
                    tools:listitem="@layout/item_list" />
            </LinearLayout>
        </LinearLayout>
    </com.google.android.material.card.MaterialCardView>
</androidx.coordinatorlayout.widget.CoordinatorLayout>