shape简单绘制圆形背景

//在drawable下创建文件.xml

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"    android:shape="oval"    android:useLevel="false">    <solid android:color="#66CC00" />    <size        android:width="200dp"        android:height="200dp" /></shape>

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android">    <solid android:color="#fffefe" />    <corners android:radius="10dp" />    <padding        android:bottom="20dp"        android:left="20dp"        android:right="20dp"        android:top="20dp" /></shape>