How Can I handle an UITabBarItem clicked twice consecutive and dismiss segues?

Question

My UITabBarController caching everything about before selected item, It's nice but I want to dismiss each segue presented by me When I have clicked displayed view's item, twice consecutive same page.

How and What I need to do to provide this case? Detailed answer for solution It would be great.

Answer 1

Use tabbarControler delegate method

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController
{
if (alreadyPushed){
return false
}
return true
}