<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<ProgressBar
android:id="@+id/progress"
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
android:layout_gravity="center_vertical|center_horizontal"
android:visibility="gone" />
<com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/page_image_view" />
</FrameLayout>