0312 BT7sdk

hch

2022-10-26 22f2d94e81e7f77df4a7a63b370a06a66dd1b93e

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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">
 
</LinearLayout>