RetroMusicPlayer/app/src/main/res/layout/activity_lyrics.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:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <com.google.android.material.bottomappbar.BottomAppBar
        android:id="@+id/appBarLayout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:padding="0dp"
        app:contentInsetLeft="0dp"
        app:contentInsetStart="0dp"
        app:contentInsetStartWithNavigation="0dp"
        app:fabAlignmentMode="end"
        app:hideOnScroll="true"
        app:titleMargin="0dp"
        app:titleMarginStart="0dp"
        tools:backgroundTint="@color/md_red_400">

        <com.google.android.material.appbar.MaterialToolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="start"
            android:navigationIcon="@drawable/ic_keyboard_arrow_down_black"
            app:contentInsetLeft="0dp"
            app:contentInsetStart="0dp"
            app:contentInsetStartWithNavigation="0dp"
            app:navigationIcon="@drawable/ic_keyboard_backspace_black"
            app:subtitleTextAppearance="@style/TextViewCaption"
            app:titleMargin="0dp"
            app:titleMarginStart="0dp"
            app:titleTextAppearance="@style/TextViewSubtitle1"
            tools:subtitle="@tools:sample/full_names"
            tools:title="@tools:sample/full_names" />

    </com.google.android.material.bottomappbar.BottomAppBar>


    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginBottom="?attr/actionBarSize">

        <androidx.viewpager2.widget.ViewPager2
            android:id="@+id/lyricsPager"
            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_toBottomOf="@+id/tabLyrics">

        </androidx.viewpager2.widget.ViewPager2>

        <com.google.android.material.tabs.TabLayout
            android:id="@+id/tabLyrics"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:elevation="@dimen/toolbar_elevation"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:tabIndicator="@drawable/tab_lyrics_indicator"
            app:tabIndicatorAnimationMode="elastic"
            app:tabIndicatorFullWidth="false"
            app:tabIndicatorHeight="5dp" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>