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

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:clipToPadding="false"
    android:orientation="vertical"
    android:background="?android:attr/windowBackground">

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

    <LinearLayout
        android:id="@+id/empty_state_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:visibility="gone"
        tools:visibility="gone">

        <org.schabi.newpipe.views.NewPipeTextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_marginBottom="10dp"
            android:fontFamily="monospace"
            android:text="╰(°●°╰)"
            android:textSize="35sp"
            tools:ignore="HardcodedText,UnusedAttribute" />

        <org.schabi.newpipe.views.NewPipeTextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:text="@string/search_no_results"
            android:textSize="24sp" />

    </LinearLayout>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/searchResults"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clipToPadding="false"
        android:scrollbars="vertical" />
</LinearLayout>