android - Extends Fragment instead ListFragment -

i using listfragment need use fragment display listview. how use fragment instead of listfragment plz me. give me explanation 1 better use. want use extends fragment instead * extends listfragment*

    import java.util.arraylist;  import android.app.activity; import android.app.listfragment; import android.os.asynctask; import android.os.bundle; import android.view.view; import android.widget.listview; import android.widget.toast;  public class countrylistfragment extends listfragment{      arraylist<video> videos;     activity mactivity;      /** list of countries displayed in listfragment */      listfragmentitemclicklistener ifaceitemclicklistener;         /** interface defining callback method */     public interface listfragmentitemclicklistener {         /** method invoked when item in listfragment clicked */         void onlistfragmentitemclick(int position);     }         /** callback function, executed when fragment attached activity */       @override     public void onattach(activity activity) {         super.onattach(activity);         mactivity=activity;          try{             /** statement ensures hosting activity implements listfragmentitemclicklistener */             ifaceitemclicklistener = (listfragmentitemclicklistener) activity;                   }catch(exception e){             toast.maketext(activity.getbasecontext(), "exception",toast.length_short).show();         }     }      @override     public void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         new subtask().execute();     }      private class subtask extends asynctask<void, void, arraylist<video>>{          @override         protected void onpreexecute() {             // todo auto-generated method stub             super.onpreexecute();         }          @override         protected arraylist<video> doinbackground(void... params) {             //crearte instance http call             gethttpcall getcall=new gethttpcall();             string response=null;             try {                 response=getcall.connect();             } catch (exception e) {                 // todo auto-generated catch block                 e.printstacktrace();             }             jsonparser _parser=new jsonparser();             _parser.parsehttpjson(response);              string [] item = jsonparser.num_title;             int []id=jsonparser.num_id;              videos=new arraylist<video>();              for(int i=0;i<item.length;i++)             {                 video vid=new video();                 vid.settitle(item[i]);                 vid.setid(id[i]);                  videos.add(vid);             }              return videos;         }          @override         protected void onprogressupdate(void... values) {             // todo auto-generated method stub             super.onprogressupdate(values);         }          @override         protected void onpostexecute(arraylist<video> result) {             super.onpostexecute(result);             binddataadapter adapter = new binddataadapter(mactivity, videos);             setlistadapter(adapter);         }     }      @override     public void onlistitemclick(listview l, view v, int position, long id) {             /** invokes implementation of method onlistfragmentitemclick in hosting activity */         ifaceitemclicklistener.onlistfragmentitemclick(position);     } } 

check out this

clone it, create project in ide , @ sample app 'testbeddslv' , how uses 'dslvfragment' , listfragment.