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  ~ Copyright (C) 2020 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
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:orientation="vertical"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:padding="8dp"
              android:gravity="center">

    <TextView android:id="@+id/overlay_description"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:textColor="@android:color/black"
              android:background="@android:color/white"
              android:text="This is an overlay" />
</LinearLayout>