android - button id is not getting in custom action bar -


i trying add custom action bar fragment 

public view oncreateview(layoutinflater inflater, viewgroup container,             bundle savedinstancestate) {         // todo auto-generated method stub         view view = inflater.inflate(r.layout.fragment_createblog, container,false);                          android.app.actionbar actionbar = getactivity().getactionbar();              actionbar.setcustomview(r.layout.actionbar_createblog);              actionbar.setdisplayshowcustomenabled(true);         actionbarblogcreation = (button) view.findviewbyid(r.id.button_actionbarblog);         actionbarblogcreation.setonclicklistener(this);        }   });

my action bar changed, while trying take button id layout shows null. why happening ?

i think should try next:

   actionbar.setcustomview(r.layout.actionbar_createblog);                   actionbar.setdisplayshowcustomenabled(true);             actionbarblogcreation = (button) actionbar.getcustomview().findviewbyid(r.id.button_actionbarblog);

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