java - How to automatically call onClick for a Button when application is opened? -

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public void oncreate(bundle savedinstancestate) {      super.oncreate(savedinstancestate);     setcontentview(r.layout.main);     button b1 = (button) findviewbyid(r.id.button1);     b1.setonclicklistener(new onclicklistener() {          @override         public void onclick(view v) {             loadfeed(statutory);         }     }); }

i want app automatically call onclick button b1 when open application.

how can make app automatically call onclick when app opened? looking modification existing code accomplish this.

if got right, , need genereate click event on activity start, add 

b1.performclick();

after setting listener. yet don't understand why can't call loadfeed(statutory); directly


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