<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_marginStart="16dp"
    android:layout_marginEnd="16dp">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/list_main_item"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true" />

</RelativeLayout>
