Make ajax request upon programmatically switching tabBarController viewContoller?

ViewWillAppear should be called.. I just tested it.

ViewWillAppear should be called.. I just tested it. Another solution: use the UITabBarControllerDelegate with - (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController for tracking changes.

Thanks – econstantin Apr 17 at 22:19 found the problem: I forget to the set the 'Class Identity' for the ViewerViewController in IB... thanks for helping to direct me towards this. – econstantin Apr 17 at 22:25 I don't know your code. But viewWillAppear: should be called.

Just tested it again with a two ViewControllers. In each of them I fire a performSelector:withObject:andDelay to a method which will change the selected index of the TabBarController. And I can see (NSLog) that viewWillAppear: gets called every time.

– harakiri Apr 17 at 22:29 thanks for your answer regarding viewWillAppear as it enabled me to do what I was trying to do. I am curious however how your suggestion above "another solution: UITabBarControllerDelegate" is different to what I was doing in my original question? Thanks – econstantin Apr 170 at 2:02.

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