<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<Button
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android:id="@+id/bt_open"
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android:text="打开空调"
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android:layout_width="match_parent"
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android:layout_height="match_parent"/>
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</LinearLayout>
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