LibreTube/app/src/main/res/layout/fragment_library.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"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Library">

    <RelativeLayout
        android:id="@+id/loginOrRegister2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true">

        <ImageView
            android:id="@+id/boogh2"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_centerInParent="true"
            android:layout_marginBottom="16dp"
            android:src="@drawable/ic_login" />

        <TextView
            android:id="@+id/textLike2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@id/boogh2"
            android:layout_centerHorizontal="true"
            android:gravity="center"
            android:text="@string/please_login"
            android:textSize="20sp"
            android:textStyle="bold" />
    </RelativeLayout>

    <com.github.libretube.util.CustomSwipeToRefresh
        android:id="@+id/playlist_refresh"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <ScrollView
            android:id="@+id/scrollview_playlist"
            android:layout_width="match_parent"
            android:layout_height="match_parent">

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

                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:descendantFocusability="blocksDescendants">

                    <androidx.recyclerview.widget.RecyclerView
                        android:id="@+id/playlist_recView"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:nestedScrollingEnabled="false" />

                </RelativeLayout>
            </LinearLayout>
        </ScrollView>
    </com.github.libretube.util.CustomSwipeToRefresh>

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

        <com.google.android.material.button.MaterialButton
            android:layout_gravity="right"
            android:id="@+id/create_playlist"
            android:layout_marginBottom="15dp"
            android:layout_marginRight="15dp"
            android:layout_width="50dp"
            android:layout_height="50dp"
            android:insetLeft="0dp"
            android:insetTop="0dp"
            android:insetRight="0dp"
            android:insetBottom="0dp"
            app:cornerRadius="16dp"
            app:icon="@drawable/ic_add"
            android:backgroundTint="?attr/colorSecondary"
            app:iconGravity="textStart"
            app:iconPadding="0dp" />
    </FrameLayout>

</FrameLayout>