android - ListView divider is not visible -


i want have white line divide m y listview. trying different ways still can't it. code:

 <?xml version="1.0" encoding="utf-8"?>  <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="match_parent"     android:layout_height="match_parent"      android:background="@color/dark_background"      android:orientation="vertical" >       <listview          android:id="@+id/lvfragfeedlist"          android:layout_width="match_parent"          android:layout_height="match_parent"          android:background="@drawable/alerts_list_item_selector"          android:choicemode="singlechoice"           android:divider="@color/archive_list_view_divider"          android:dividerheight="4dip">      </listview>   </linearlayout> 

 <listview      android:id="@+id/lvfragfeedlist"      android:layout_width="match_parent"      android:layout_height="match_parent"      android:background="@drawable/alerts_list_item_selector"      android:choicemode="singlechoice"       android:divider="@drawable/list_divider"      android:dividerheight="4dip">  </listview>

list_divider:

<shape   xmlns:android="http://schemas.android.com/apk/res/android"   android:shape="line"> <stroke   android:width="1px"   android:color="#ffffff"   android:dashwidth="1px"   android:dashgap="1px" /> </shape>

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