<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/loading_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ProgressBar
        style="?android:attr/progressBarStyleLarge"
        android:layout_width="45dp"
        android:layout_height="45dp"
        android:layout_centerInParent="true"
        android:indeterminateDrawable="@drawable/loading_green" />

</RelativeLayout>