Android ActionBar searview change default search button picture

Do search images found Searchview system display the default search button is just a small arrow, look very ugly, want to change this icon. So in StackOverflow this site found the answer, directly on the code:

     @Override public    void Oncreateoptionsmenu (Menu menu, Menuinflater inflater) {        inflater.inflate (r.menu.event_ History, menu);        MenuItem search = Menu.finditem (r.id.search_event);        Search.collapseactionview ();        Is the search box default expansion//        Search.expandactionview ();        Searchview Searchview = (searchview) search.getactionview ();        Show Search Confirmation button        searchview.setsubmitbuttonenabled (true);        Find the search button corresponding to the linearlayout        int searchplateid = Searchview.getcontext (). Getresources (). Getidentifier ("Android:id /submit_area ", NULL, NULL);        LinearLayout searchplate = (linearlayout) Searchview.findviewbyid (Searchplateid);        Get the ImageView of the search icon so you can modify the picture        ((ImageView) searchplate.getchildat (0)). Setimageresource (R.drawable.audio_ BAR_SRC);          Searchview.setonquerytextlistener (this);        Super.oncreateoptionsmenu (menu, Inflater);    }

Android ActionBar Searview Change the default search button picture