iphone - How to add more button in TabBarController? -

i developing application.. small problem that,we use here tabbarcontroller application. , add navigationcontrollers in tab menus, done successfully. 1 requirement in last tabbarbutton have add more button. not view. simple button. when press these button perform action. tried not done side. have u give me guidance.. in advance..

when add more 5 uiviewcontroller objects uitabbarcontroller, ios automatically create more button you.

from the apple documentation uitabbarcontroller

the more navigation controller

the tab bar has limited space displaying custom items. if add 6 or more custom view controllers tab bar controller, tab bar controller displays first 4 items plus standard more item on tab bar. tapping more item brings standard interface selecting remaining items.

the interface standard more item includes edit button allows user reconfigure tab bar. default, user allowed rearrange items on tab bar. if not want user modify items, though, can remove appropriate view controllers array in customizableviewcontrollers property.