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

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

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

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/appBarLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.appcompat.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:navigationIcon="@drawable/ic_keyboard_arrow_down_black_24dp"
                app:contentInsetLeft="0dp"
                app:contentInsetStart="0dp"
                app:contentInsetStartWithNavigation="0dp"
                app:layout_scrollFlags="scroll|enterAlways"
                app:subtitleTextAppearance="@style/TextAppearance.AppCompat.Caption"
                app:titleMargin="0dp"
                app:titleMarginStart="0dp"
                app:titleTextAppearance="@style/TextAppearance.AppCompat.Subhead" />

            <com.google.android.material.tabs.TabLayout
                android:id="@+id/tabs"
                style="@style/TabLayoutStyle"
                android:background="@android:color/transparent"
                app:tabTextAppearance="@style/TabTextAppearance">

                <com.google.android.material.tabs.TabItem
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/synced_lyrics" />

                <com.google.android.material.tabs.TabItem
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="@string/normal_lyrics" />
            </com.google.android.material.tabs.TabLayout>
        </com.google.android.material.appbar.AppBarLayout>

        <androidx.viewpager.widget.ViewPager
            android:id="@+id/viewPager"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior" />


    </LinearLayout>

    <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|end"
        android:layout_margin="16dp"
        android:text="@string/edit"
        app:icon="@drawable/ic_edit_white_24dp" />
</FrameLayout>