android - SearchView in Actionbar Appcompat -


in application, using theme.appcompat.light.darkactionbar facing weird problem. have created searchview in actionbar , has set property app:showasaction="collapseactionview|ifroom"

but searchview not expanded or collapsed on touch.

menu.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto">     <item         android:id="@+id/search"         android:title="@string/search"         android:icon="@android:drawable/ic_menu_search"         app:showasaction="collapseactionview|ifroom"         android:actionviewclass="android.support.v7.widget.searchview" /> </menu>

i have tried different solutions none worked. idea?

try change

android:actionviewclass="android.support.v7.widget.searchview"

by

 app:actionviewclass="android.support.v7.widget.searchview"

this worked me 

<menu xmlns:android="http://schemas.android.com/apk/res/android"       xmlns:app="http://schemas.android.com/apk/res-auto"       xmlns:tools="http://schemas.android.com/tools"       tools:context="com.ipartie.views.activities.homeactivity">       <item           android:id="@+id/search"           android:title="@string/search"           android:icon="@drawable/abc_ic_search_api_mtrl_alpha"           app:showasaction="always"           app:actionviewclass="android.support.v7.widget.searchview"/> </menu>

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