Disable tap on current Tab (UITabBarController) iPhone App

Question

Currently, Tapping on the same Tab (in which user is working), The App moves to the very first page of that Tab.

I want to disable the tap event on the Tab in which user is working currently.

Any Hint?

Answer 1

You tried tabBarController:shouldSelectViewController: delegate method? I hope that should help you.

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController {

    id currentViewController = tabBarController.selectedViewController;
    return (viewController != currentViewController);
}

If all the view controllers of the tab bar controller are UINavigationControllers , you should do it like this.

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController {

    id nextVC = [(UINavigationController *)viewController topViewController];
    id currentVC = [(UINavigationController *)tabBarController.selectedViewController topViewController];
    return (nextVC != currentVC);
}

For Swift 4 the delegate method looks like this:

func tabBarController(_ tabBarController: UITabBarController, shouldSelect viewController: UIViewController) -> Bool {
    return viewController != tabBarController.selectedViewController
}

Answer 2

use like below it will work

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController
    {
        if(self.tabBarController.selectedIndex==[[self.tabBarController viewControllers] indexOfObject:viewController])
            return  NO;   
        else
            return YES;
    }