tachiyomi/app/src/main/res/layout/source_progress_item.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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:padding="8dp">

    <com.google.android.material.progressindicator.CircularProgressIndicator
        android:id="@+id/progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:indeterminate="true"
        app:indicatorSize="24dp"
        app:trackThickness="3dp" />

    <TextView
        android:id="@+id/progress_message"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="@string/no_more_results"
        android:visibility="gone"
        tools:visibility="visible" />

</FrameLayout>