RetroMusicPlayer/app/src/main/res/layout/fragment_full.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:clickable="true"
    android:focusable="true">


    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/playerAlbumCoverFragment"
        android:name="code.name.monkey.retromusic.fragments.player.PlayerAlbumCoverFragment"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        tools:layout="@layout/fragment_album_full_cover" />

    <View
        android:id="@+id/mask"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/shadow_up_full_theme"
        android:backgroundTint="@color/md_red_500"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />


    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/playbackControlsFragment"
        android:name="code.name.monkey.retromusic.fragments.player.full.FullPlaybackControlsFragment"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_gravity="bottom"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHeight_default="wrap"
        app:layout_constraintStart_toStartOf="parent"
        tools:layout="@layout/fragment_full_player_controls" />

    <View
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@drawable/shadow_down_full_theme"
        app:layout_constraintBottom_toBottomOf="@id/playerToolbar"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/statusBarContainer" />

    <FrameLayout
        android:id="@+id/statusBarContainer"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

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

    <com.google.android.material.appbar.MaterialToolbar
        android:id="@+id/playerToolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:navigationIcon="@drawable/ic_keyboard_arrow_down_black"
        android:paddingBottom="24dp"
        app:contentInsetEndWithActions="0dp"
        app:contentInsetStart="0dp"
        app:contentInsetStartWithNavigation="0dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/statusBarContainer"
        app:navigationIcon="@drawable/ic_keyboard_arrow_down_black"
        app:titleMargin="0dp"
        app:titleMargins="0dp">

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

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/nextSongLabel"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:alpha="0.75"
                android:ellipsize="end"
                android:gravity="center"
                android:maxLines="1"
                android:paddingHorizontal="8dp"
                android:text="@string/next_song"
                android:textAppearance="@style/TextViewSubtitle2"
                android:textColor="@color/md_white_1000"
                app:layout_constraintEnd_toStartOf="@+id/artistImage"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                tools:text="@tools:sample/lorem/random" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/nextSong"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                android:ellipsize="end"
                android:gravity="center"
                android:paddingHorizontal="8dp"
                android:singleLine="true"
                android:textAppearance="@style/TextViewSubtitle1"
                android:textColor="@color/md_white_1000"
                android:textStyle="bold"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@+id/artistImage"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/nextSongLabel"
                tools:text="@tools:sample/lorem/random" />

            <code.name.monkey.retromusic.views.CircularImageView
                android:id="@+id/artistImage"
                android:layout_width="36dp"
                android:layout_height="36dp"
                android:layout_gravity="end"
                android:layout_marginEnd="8dp"
                android:elevation="10dp"
                app:civ_border="false"
                app:civ_shadow="false"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@drawable/default_artist_art" />
        </androidx.constraintlayout.widget.ConstraintLayout>

    </com.google.android.material.appbar.MaterialToolbar>

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/cover_lyrics"
        android:name="code.name.monkey.retromusic.fragments.other.CoverLyricsFragment"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        android:elevation="20dp"
        app:layout_constraintTop_toBottomOf="@id/playerToolbar"/>
</androidx.constraintlayout.widget.ConstraintLayout>