d调换 x,y

endian11

2020-11-03 bd3450d1d9585ade2ead82ac387c433898c4afae

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