画圆
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:innerRadius="0dp"
android:shape="ring"
android:thickness="30dp"
android:useLevel="false" >
<solid android:color="#ff00ff00" />
<size
android:height="60dp"
android:width="60dp" />
</shape>
画环
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:innerRadius="28dp"
android:shape="ring"
android:thickness="1dp"
android:useLevel="false" >
<solid android:color="#ff00ffff" />
<size
android:height="60dp"
android:width="60dp" />
</shape>