android 自定义圆角边框背景

<?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="#ffffff" />

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

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

</shape>
原文地址:https://www.cnblogs.com/rchao/p/13639878.html