NewPipe/app/src/main/res/layout/fragment_subscription.xml

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

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/items_list"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:scrollbars="vertical"
        android:visibility="gone"
        tools:listitem="@layout/list_channel_item"
        tools:visibility="visible"/>

    <!--ERROR PANEL-->
    <include
        android:id="@+id/error_panel"
        layout="@layout/error_retry"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_below="@id/items_list"
        android:layout_marginTop="50dp"
        android:visibility="gone"
        tools:visibility="visible"/>

    <include
        android:id="@+id/empty_state_view"
        layout="@layout/list_empty_view"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:layout_below="@id/items_list"
        android:layout_marginTop="50dp"
        android:visibility="gone"
        tools:visibility="visible"/>

    <View
        android:layout_width="match_parent"
        android:layout_height="4dp"
        android:background="?attr/toolbar_shadow_drawable"
        android:layout_alignParentTop="true"/>

</RelativeLayout>