<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item
android:right="-2dp"
android:top="-2dp">
<shape>
<solid android:color="@color/white" />
<stroke
android:width="1px"
android:color="@color/split_line" />
</shape>
</item>
</layer-list>
-2dp表示不绘制这一边