0312 补充库

hch

2023-12-27 c75f78fa2e960081c9fa35ace237752b1cff230b

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/xy_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    android:background="#00000000" >
 
 
</LinearLayout>