add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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<?xml version="1.0" encoding="utf-8"?> 
<FrameLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:id="@+id/fragment_root" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent"/>