合并新代码，提供逻辑需要的门锁接口

xm

2020-04-28 dfd3bdc07c49fab66b38382e0bbe7c91bdf4f15b

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent">
    <Button android:id="@+id/myButton" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/hello" />
</LinearLayout>