android的ListView的分割线设置为虚线

<ListView
android:id="@+id/listview"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:divider="@drawable/line"
android:dividerHeight="5dp"
android:layerType="software">
</ListView>

<?xml version="1.0" encoding="utf-8"?>
<layer-list   xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="line" >
<stroke
android:dashGap="3dp"
android:dashWidth="8dp"
android:width="1dp"
android:color="@color/gray" />
<size android:height="1dp" />
</shape>
</item>
</layer-list>

android:layerType="software"