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

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:overScrollMode="@integer/overScrollMode"
        android:layout_height="match_parent" />

    <FrameLayout
        android:id="@+id/playerLyrics"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:alpha="0"
        android:clipToPadding="false"
        android:elevation="20dp"
        android:visibility="gone"
        tools:visibility="visible">

        <View
            android:id="@+id/mask_lyrics"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/lyrics_mask" />

        <com.google.android.material.textview.MaterialTextView
            android:id="@+id/player_lyrics_line1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_margin="16dp"
            android:gravity="center"
            android:shadowColor="@color/md_black_1000"
            android:shadowRadius="4"
            android:textAppearance="@style/TextViewHeadline5"
            android:textColor="@color/md_white_1000"
            android:visibility="gone" />

        <com.google.android.material.textview.MaterialTextView
            android:id="@+id/player_lyrics_line2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="center_vertical"
            android:layout_margin="16dp"
            android:gravity="center"
            android:shadowColor="@color/md_black_1000"
            android:shadowRadius="4"
            android:textAppearance="@style/TextViewHeadline5"
            android:textColor="@color/md_white_1000" />

    </FrameLayout>
</FrameLayout>