packages/WallpaperCropper/res/layout/wallpaper_cropper.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2013, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/wallpaper_root"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <com.android.wallpapercropper.CropView
        android:id="@+id/cropView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
    <ProgressBar
        android:id="@+id/loading"
        style="@android:style/Widget.DeviceDefault.Light.ProgressBar.Large"
        android:visibility="invisible"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:indeterminate="true"
        android:indeterminateOnly="true"
        android:background="@android:color/transparent" />
</RelativeLayout>