VancedManager/app/src/main/res/layout/activity_welcome.xml

<?xml version="1.0" encoding="utf-8"?>
<layout>

    <RelativeLayout 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=".ui.WelcomeActivity">

        <fragment
            android:id="@+id/welcome_navhost"
            android:name="androidx.navigation.fragment.NavHostFragment"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:defaultNavHost="true"
            app:navGraph="@navigation/welcome_navigation" />

    </RelativeLayout>

</layout>