<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#F2F2F2" />
    <!-- 大小 -->
    <size
        android:width="25dp"
        android:height="25dp" /><!-- 宽度和高度 -->
    <corners android:radius="2dp" />

    <stroke
        android:width="1dp"
        android:color="#C7C7CD" />
</shape>