android - How to set focus on button if clicked and buttons are made in xml -


i have created 3 buttons , want change focus of button clicked user using coding there way ?

i have seen these links

link1

link2

but want know when made instances of these 3 buttons want focus clicked @ time , want change focuscolor on click defined me using coding? can tell me?

   final button button = (button) findviewbyid(r.id.button_id);      button.setfocusable(true);       button.setonfocuschangelistener(new view.onfocuschangelistener() {          @override         public void onfocuschange(view v, boolean hasfocus) {             // todo auto-generated method stub          }     });

try sample code


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