Meshtastic-Android/app/src/main/res/layout/adapter_map_style_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical"
        app:layout_constraintBaseline_toTopOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="Map Type"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textColor="@color/colourGrey" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/mapTypeRecyclerView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:scrollbars="horizontal" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:text="Map Layer"
            android:textAppearance="?android:attr/textAppearanceLarge"
            android:textColor="@color/colourGrey" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/mapLayerRecyclerView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal" />

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>