I have a UITabBarController and a SearchBar on the home page. The SearchBar searches items in the database and when an item is selected, jumps to that item in tab 2. I changed my view hierarchy to use a UINavigationController in that tab. In my viewDidLoad of the rootViewController for the UINavigationController, I push the first viewController (out of 3). It's on this viewController that the search item goes to.
If I go to that tab just once, then my first viewController is loaded, and I select a search item, then it works. The problem is if I never go to that tab and my first viewController is not pushed onto the stack, then the search does not know where to go and crashes. I'm pretty sure I do NOT call viewDidLoad myself from my first tab to ensure that the fir开发者_开发知识库st ViewController is pushed onto the stack. How do I get around this problem? Is there something I can do in loadView? Thanks.
You are correct, viewDidLoad
is a delegate method, not supposed to be called by you. One of the approaches that you can follow is- from tab 1, set an instance variable of firstViewController
in tab 2, something like pendingItemIndex
, corresponding to the item that is to be displayed in tab 2.
Then, in viewDidLoad
of firstViewController
, check if pendingItemIndex
has a valid value (you can set the default value to -1). If it does, display the corresponding item.
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