Android: how to change menu item at page scrolling with ViewPager? -


the last version of whatsapp i'm talking about. when scroll between tabs toolbar shows different menu options. can implement viewpager adapter , fragments not this. how done? don't know kind of trick behind. changes everytime switch pages

in each fragment have override oncreateoptionsmenu, different menu/menu.xml files

@override public void oncreateoptionsmenu(menu menu, menuinflater inflater) {     menu.clear();     inflater.inflate(r.menu.menu, menu);     super.oncreateoptionsmenu(menu, inflater); }

don't forget call sethasoptionsmenu(true);, in oncreate of fragment


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