BarInsta/app/src/main/res/layout/item_comment.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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="wrap_content"
    android:orientation="vertical"
    tools:viewBindingIgnore="true">

    <include
        android:id="@+id/container"
        layout="@layout/layout_dm_inbox_item" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rvChildComments"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="40dp"
        android:layout_marginLeft="40dp"
        app:layoutManager="LinearLayoutManager"
        tools:itemCount="5"
        tools:listitem="@layout/item_comment_small" />

    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_gravity="bottom"
        android:layout_marginStart="4dp"
        android:layout_marginEnd="4dp"
        android:layout_marginBottom="4dp"
        android:background="#32888888" />
</LinearLayout>