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

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:background="?attr/colorSurface"
    android:orientation="vertical">

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

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

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:gravity="center_vertical"
        android:orientation="vertical"
        tools:ignore="UselessParent">

        <fragment
            android:id="@+id/playback_controls_fragment"
            android:name="code.name.monkey.retromusic.fragments.player.lockscreen.LockScreenPlayerControlsFragment"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            tools:layout="@layout/fragment_lock_screen_playback_controls" />
    </LinearLayout>

    <code.name.monkey.retromusic.views.WidthFitSquareCardView
        android:id="@+id/albumCoverContainer"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="16dp"
        android:transitionName="@string/transition_album_art"
        app:cardCornerRadius="24dp"
        app:cardElevation="8dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <androidx.appcompat.widget.AppCompatImageView
            android:id="@+id/image"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="centerCrop"
            tools:srcCompat="@tools:sample/backgrounds/scenic[0]" />

    </code.name.monkey.retromusic.views.WidthFitSquareCardView>

    <com.google.android.material.textview.MaterialTextView
        android:id="@+id/slide"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="0"
        android:gravity="center"
        android:padding="16dp"
        android:text="@string/swipe_to_unlock"
        android:textColor="?android:attr/textColorPrimary" />
</LinearLayout>