Rename menu item in Android -

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i rename menu on click of item. tried following didn't change.

i tried item.settitle("landscape"); or item.settitle("portrait");

declare menu:

    @override public boolean oncreateoptionsmenu(menu menu)  {     menuinflater inflater = getmenuinflater();     inflater.inflate(r.menu.main, menu);      return true; }

do on click on menu item:

    @override public boolean onoptionsitemselected(menuitem item)  {     boolean result = true;      switch(item.getitemid())     {      case r.id.oscillation_mode:     {         if(getscreenorientation() == 1)         {             log.e("orientation","abc"+getscreenorientation());              item.settitle("landscape");             setrequestedorientation(activityinfo.screen_orientation_landscape);         }         else          {              item.settitle("portrait");             setrequestedorientation(activityinfo.screen_orientation_portrait);         }          break;     }

the text same. default portrait.

when call setrequestedorientation() activity destroyed , recreated, changes make in memory objects dropped. should make these changes when menu shown instead

@override public boolean oncreateoptionsmenu(menu menu)  {     menuinflater inflater = getmenuinflater();     inflater.inflate(r.menu.main, menu);     menuitem oscillation = menu.finditem(r.id.oscillation_mode);     if (getscreenorientation() == 1){         item.settitle("landscape");     }else{         item.settitle("portrait");     }      return true; }

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