Android资源文件shape绘制方形，圆形，背景边框

xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#F5513A" />
<size android:height="3dp" android:width="16dp" />
<corners android:radius="5dp" />
shape>

<shape xmlns:android="http://schemas.android.com/apk/res/android">
<corners android:radius="3dp" />
//透明背景
<solid android:color="@color/transparent"/>
<stroke android:width="1dp" android:color="#F5513A" />
shape>

<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@android:id/background" android:height="15dp" android:width="15dp">
<shape android:shape="oval">
<solid android:color="#FFFFFF" />
<stroke android:width="1dp" android:color="#F5513A" />
shape>
item>
<item android:id="@android:id/background" android:height="6dp" android:width="6dp" android:gravity="center">
<shape android:shape="oval">
<solid android:color="#F5513A" />
shape>
item>
layer-list>