eclipse - Why is android.R.menu_search giving me an error? -

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i'm trying add search widget action bar , reason i'm getting "android.r.menu_search cannot resolved or not field". code i'm using 

@override     public boolean oncreateoptionsmenu(menu menu) {         // inflate menu; adds items action bar if present.         getmenuinflater().inflate(r.menu.geolocation_search, menu);          //get searchview , set searchable configuration         searchmanager searchmanager = (searchmanager) getsystemservice(context.search_service);         searchview searchview = (searchview) menu.finditem(android.r.layout.menu_search).getactionview();         //assumes current activity searchable activity         searchview.setsearchableinfo(searchmanager.getsearchableinfo(getcomponentname()));         //searchview.seticonifiedbydefault(false);         return true;     }

the xml file 

<menu xmlns:android="http://schemas.android.com/apk/res/android" >      <item         android:id="@+id/action_settings"         android:orderincategory="100"         android:showasaction="never"         android:title="@string/action_settings"/>     <item         android:id="@+id/headers"         android:showasaction="always|withtext"         android:title="@string/header1"/>     <item         android:id="@+id/menu_search"         android:actionviewclass="android.widget.searchview"         android:icon="@android:drawable/ic_menu_search"         android:showasaction="always"         android:title="@string/search"/>  </menu>

so, doing wrong?

if have own menu xml can't read android's identifiers yours. issue resolved replacing

searchview searchview = (searchview) menu.finditem(android.r.layout.menu_search).getactionview();

with 

searchview searchview = (searchview) menu.finditem(r.id.menu_search).getactionview();

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