<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
  <item>
    <shape>
        <stroke android:width="2px" android:color="#4c3c3c3c" /><!--边框颜色-->
        <solid android:color="#FFFCFCFC" /><!--填充色-->
        <corners android:radius="0dp" />
    </shape>
  </item>
</layer-list>