添加红色边框

Shape图形

<?xml version="1.0" encoding="utf-8"?>    <shape xmlns:android="http://schemas.android.com/apk/res/android"        android:shape="rectangle" >        <stroke            android:width="2dp"            android:color="#f00" />        <padding            android:bottom="1dp"            android:left="1dp"            android:right="1dp"            android:top="1dp" />        <solid android:color="#00000000" />    </shape>