<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="56dp"
    android:layout_height="45dp">

    <ProgressBar
        style="?android:attr/progressBarStyleSmallInverse"
        android:layout_width="32dp"
        android:layout_height="32dp"
        android:layout_gravity="center" />

</FrameLayout>