<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:background="@android:color/white">

    <ProgressBar
        android:id="@+id/turbolinks_default_progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:indeterminate="true"
        android:maxHeight="32dp"
        android:maxWidth="32dp"/>

</FrameLayout>

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:background="@android:color/white">

    <ProgressBar
        android:id="@+id/turbolinks_default_progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"/>

</FrameLayout>

Remove progress bar styles in favor of fallback to android:progressBarStyle
Remove progress bar styles in favor of fallback to android:progressBarStyle
