H-PixelDroid/PixelDroid

<?xml version="1.0" encoding="utf-8"?>
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  ~ Copyright 2020 The Android Open Source Project
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  ~ 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
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  ~     https://www.apache.org/licenses/LICENSE-2.0
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  ~ distributed under the License is distributed on an "AS IS" BASIS,
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<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true" android:drawable="@drawable/ic_shutter_pressed" />
    <item android:state_focused="true" android:drawable="@drawable/ic_shutter_focused" />
    <item android:drawable="@drawable/ic_shutter_normal" />
</selector>