listview - Android delete selected item using contextual actionbar -

so far, have managed follow this tutorial , run successfully. wanna delete selected items on listview. code i'm using:

private string[] data = {"one", "two", "three", "four", "five", "six", "seven", "eight", "nine","ten"};  private selectionadapter madapter;  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);      madapter = new selectionadapter(this,                 r.layout.row_list_item, r.id.textview1, data);     setlistadapter(madapter);     getlistview().setchoicemode(listview.choice_mode_multiple_modal);      getlistview().setmultichoicemodelistener(new multichoicemodelistener() {          private int nr = 0;          @override         public boolean onprepareactionmode(actionmode mode, menu menu) {             // todo auto-generated method stub             return false;         }          @override         public void ondestroyactionmode(actionmode mode) {             // todo auto-generated method stub              madapter.clearselection();         }          @override         public boolean oncreateactionmode(actionmode mode, menu menu) {             // todo auto-generated method stub              nr = 0;             menuinflater inflater = getmenuinflater();             inflater.inflate(r.menu.contextual_menu, menu);             return true;         }          @override         public boolean onactionitemclicked(actionmode mode, menuitem item) {             // todo auto-generated method stub             switch (item.getitemid()) {                  case r.id.item_delete:                     nr = 0;                     madapter.clearselection();                     mode.finish();             }             return true;         }          @override         public void onitemcheckedstatechanged(actionmode mode, int position,                 long id, boolean checked) {             // todo auto-generated method stub              if (checked) {                     nr++;                     madapter.setnewselection(position, checked);                                    } else {                     nr--;                     madapter.removeselection(position);                                 }                 mode.settitle(nr + " selected");          }     });      getlistview().setonitemlongclicklistener(new onitemlongclicklistener() {          @override         public boolean onitemlongclick(adapterview<?> arg0, view arg1,                 int position, long arg3) {             // todo auto-generated method stub              getlistview().setitemchecked(position, !madapter.ispositionchecked(position));             return false;         }     }); }  private class selectionadapter extends arrayadapter<string> {      private hashmap<integer, boolean> mselection = new hashmap<integer, boolean>();      public selectionadapter(context context, int resource,             int textviewresourceid, string[] objects) {         super(context, resource, textviewresourceid, objects);     }      public void setnewselection(int position, boolean value) {         mselection.put(position, value);         notifydatasetchanged();     }      public boolean ispositionchecked(int position) {         boolean result = mselection.get(position);         return result == null ? false : result;     }      public set<integer> getcurrentcheckedposition() {         return mselection.keyset();     }      public void removeselection(int position) {         mselection.remove(position);         notifydatasetchanged();     }      public void clearselection() {         mselection = new hashmap<integer, boolean>();         notifydatasetchanged();     }      @override     public view getview(int position, view convertview, viewgroup parent) {         view v = super.getview(position, convertview, parent);//let adapter handle setting row views         v.setbackgroundcolor(getresources().getcolor(android.r.color.background_light)); //default color          if (mselection.get(position) != null) {             v.setbackgroundcolor(getresources().getcolor(android.r.color.holo_blue_light));// selected position make red         }         return v;     } } 

question how delete selected item/s? can't figure out , if of knows , can help, i'd gladly appreciate it. thanks.

you can set onlongclicklistener on items in listview gets item long pressed.

afterwards can reference/remove object in onactionitemclicked.