android - Does onCreate() called after commit()? -

  private class draweritemclicklistener implements listview.onitemclicklistener {         @override        public void onitemclick(adapterview<?> parent, view view, int position, long id) {            selectitem(position);         }    } 

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private void selectitem(int position) {         fragment fragment = new planetfragment();         bundle args = new bundle();         args.putint(planetfragment.arg_planet_number, position);          fragment.setarguments(args);          fragmentmanager fragmentmanager = getfragmentmanager();         fragmentmanager.begintransaction().replace(r.id.content_frame, fragment).commit();          mdrawerlist.setitemchecked(position, true);         settitle(mplanettitles[position]);          mdrawertitle=mplanettitles[position];         mdrawerlayout.closedrawers();       } 

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my app demo drawer.the 8 planet drawernavigation demo.when click item of listview shows on drawer,the planet picture on fragment changes.

here confusion:

i think oncreate , oncreateview method of fragment called subsequence "fragmentmanager.begintransaction().replace(r.id.content_frame, fragment).commit();".

but actually,they called after onitemclick() finished. why? in advance.

if read documentation of commit method says:

schedules commit of transaction. commit not happen immediately; scheduled work on main thread done next time thread ready.

since selectitem on main thread, commit won't happen until after selectitem returns (but not right after!).