android - How to use onitemClickListener with Fragments? -

i trying implement onitemclicklistener in fragment class unfortunately not working properly... here source code.. please let me know error??

networkdetailsfragment.java(my fragment class)

public class networkdetailsfragment extends fragment implements adapterview.onitemclicklistener{

        private listview listview;         private view networkdetailsview;         private qosnetworkdetailsadapter qosnetworkdetailsadapter;         private qosnetworkdetailsdatabasehelper qosnetworkdetailsdatabasehelper;         private simplecursoradapter simplecursoradapter;           private string log_tag = networkdetailsfragment.class.getsimplename();             @override         public view oncreateview(layoutinflater inflater, viewgroup container,                 bundle savedinstancestate) {              log.i(log_tag, "inside oncreateview() method");              networkdetailsview = inflater.inflate(r.layout.network_details, container, false);             listview = (listview) networkdetailsview.findviewbyid(r.id.list_view);             qosnetworkdetailsdatabasehelper = new qosnetworkdetailsdatabasehelper(getactivity());              cursor cursor = qosnetworkdetailsdatabasehelper.getrecord();              string[] columns = {qosnetworkdetailsdatabaseconstants.column_network_type,                                 qosnetworkdetailsdatabaseconstants.column_network_status,                                 qosnetworkdetailsdatabaseconstants.column_latitude,                                 qosnetworkdetailsdatabaseconstants.column_longitude,                                 qosnetworkdetailsdatabaseconstants.column_time};              int[]  = new int[]{                     r.id.networktype,                     r.id.networkstatus,                     r.id.latitudeandlongitude,                     r.id.date             };              /*simplecursoradapter simplecursoradapter = new simplecursoradapter(                     this, r.layout.activity_network_info,                     cursor,                     columns,                     to,                     0);*/              simplecursoradapter = new simplecursoradapter(getactivity(), r.layout.activity_network_info, cursor, columns, to, 0);              qosnetworkdetailsadapter = new qosnetworkdetailsadapter(getactivity().getapplicationcontext(), qosnetworkdetailsdatabasehelper.getrecord(), false);             listview.setadapter(qosnetworkdetailsadapter);               return networkdetailsview;         }           @override         public void onactivitycreated(bundle savedinstancestate) {             super.onactivitycreated(savedinstancestate);              listview.setonitemclicklistener(this);         }            @override         public void onitemclick(adapterview<?> parent, view view,                 int position, long id) {              cursor cursor = (cursor) parent.getitematposition(position);              string countrycode =                     cursor.getstring(cursor.getcolumnindexorthrow("code"));             toast.maketext(getactivity().getapplicationcontext(),                     countrycode, toast.length_short).show();               }       } 

network_details.xml(i.e list_view.xml)

<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="fill_parent"     android:layout_height="match_parent"     android:contentdescription="@string/network_details_fragment_string"      android:descendantfocusability="blocksdescendants" >     <listview         android:id="@+id/list_view"         android:layout_width="fill_parent"         android:layout_height="fill_parent"          />  </linearlayout>      activity_network_info.xml(list items)    <scrollview xmlns:android="http://schemas.android.com/apk/res/android"     android:id="@+id/scroller"     android:layout_width="fill_parent"     android:layout_height="fill_parent"     android:fillviewport="true"      android:descendantfocusability="blocksdescendants">            <linearlayout             android:layout_width="fill_parent"             android:layout_height="wrap_content"             android:orientation="vertical"             android:background="@drawable/black"              >              <textview                 android:id="@+id/networkstatus"                 android:layout_width="fill_parent"                 android:layout_height="wrap_content"                 android:textcolor="@drawable/white"                 android:textsize="15sp" />              <textview                 android:id="@+id/networktype"                 android:layout_width="fill_parent"                 android:layout_height="wrap_content"                 android:textcolor="@drawable/white"                 android:textsize="15sp" />              <textview                 android:id="@+id/latitudeandlongitude"                 android:layout_width="fill_parent"                 android:layout_height="wrap_content"                 android:textcolor="@drawable/lightblue"                 android:textsize="15sp" />              <textview                 android:id="@+id/date"                 android:layout_width="fill_parent"                 android:layout_height="wrap_content"                 android:textcolor="@drawable/lightblue"                 android:textsize="15sp" />           </linearlayout>      </scrollview> 

list getting populated screen... onitemclicklistener not working in code... please let me know error.. thanks

try extend fragmentactivity instead of fragment...