FairEmail/app/src/main/res/layout/activity_setup.xml

<androidx.drawerlayout.widget.DrawerLayout 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/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="eu.faircode.email.ActivitySetup">

    <FrameLayout
        android:id="@+id/content_frame"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/drawer_container"
        android:layout_width="270dp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:background="?attr/colorDrawerBackground">

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/rvMenu"
            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_toTopOf="parent" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</androidx.drawerlayout.widget.DrawerLayout>