<shape android:shape="rectangle">
<size android:width="1dp" android:height="100px" />
<solid android:color="#FFFFFF" />
</shape>
通过shape画线段,通过 <item android:gravity="left|top">控制线段的具体位置<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"><item android:gravity="left|top"><shape android:shape="rectangle"><sizeandroid:width="1dp"android:height="100px" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="left|bottom"><shape android:shape="rectangle"><sizeandroid:width="1dp"android:height="100px" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="right|top"><shape android:shape="rectangle"><sizeandroid:width="1dp"android:height="100px" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="right|bottom"><shape android:shape="rectangle"><sizeandroid:width="1dp"android:height="100px" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="bottom|right"><shape android:shape="rectangle"><sizeandroid:width="100px"android:height="1dp" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="bottom|left"><shape android:shape="rectangle"><sizeandroid:width="100px"android:height="1dp" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="top|right"><shape android:shape="rectangle"><sizeandroid:width="100px"android:height="1dp" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="top|left"><shape android:shape="rectangle"><sizeandroid:width="100px"android:height="1dp" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="center_horizontal|bottom"><shape android:shape="rectangle"><sizeandroid:width="100px"android:height="1dp" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="center_horizontal|top"><shape android:shape="rectangle"><sizeandroid:width="100px"android:height="1dp" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="center_vertical|left"><shape android:shape="rectangle"><sizeandroid:width="1dp"android:height="100px" /><solid android:color="#FFFFFF" /></shape></item><item android:gravity="center_vertical|right"><shape android:shape="rectangle"><sizeandroid:width="1dp"android:height="100px" /><solid android:color="#FFFFFF" /></shape></item>
</layer-list>
