How to disable all tab bar items?

I'm developing with the iPhone 3.1.3 SDK against an iPhone 3GS with the 3.1.3 OS. My app has a tab bar with seven items of which only two contain something meaningful. So for the remaining items, I un-checked the "Enabled" box in the "Tab Bar Item" attributes (first page, "Bar Item" section).

That works fine for the two visible tab开发者_Python百科 bar items that are disabled - can't click on them. The remaining three, however, are still enabled in the "More"-table when clicking on the "More" tab bar item at the very right - I get their (empty) table view. It seems to me that this is a bug - since these items are not enabled, they shouldn't be clickable, even in the "More"-table. This happens both in the emulator in debug mode and on my iPhone in release mode.

So how can I disable the tab bar items in the "More"-table?

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Hmm. This is almost certainly a bug. I would encourage you to file it as one; I certainly will. I tried to come up with a sample app to test this and I confirmed the behavior you’re seeing. Interestingly enough, in the UITabBarControllerDelegate protocol, there is this method:

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

But that method isn’t called when you select a view controller from the “More” tab bar item. For now, the only way I can see this working is if you remove view controllers that would appear in the “More” view controller, therefore making them impossible to select by virtue of not being present.

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I can't seem to get tabBarController:shouldSelectViewController: to trigger, but this works:

for(UITabBarItem *item in self.tabBar.items)
    item.enabled = false;

This might not be what you want, though, 'cause it disables even the "More" item.

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You should implement protocol "UITabBarControllerDelegate" and set as delegate to the tabBarController. It works very well!