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how can i add condition in tab bar?

i want to add condition in tabbar.

i want to do like this .if my id is not selected than that tab not open and it go to tab bar one. this id i select in tab bar one . so if this id selected then it open 2nd tab page

The UITabBarController delegate has the method – tabBarController:shouldSelectViewController: . You use this and the properties selectedViewController and selectedIndex to conditionally change the selected tab.

However, be careful. You should avoid making the interface behave in unexpected ways.

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