<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">

    <!--  背景颜色  -->
    <solid android:color="#b0000000" />

    <!--  边框线  -->
    <stroke
        android:width="1dp"
        android:color="#b0000000" />

    <!--  圆角  -->
    <corners android:radius="5dp" />

</shape>