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iphoneobjective-cuiviewcontrolleruitabbarcontrollerstoryboard

How do I pass data from a tab bar controller to one of its tabs?


I have a UITabBarController set up in storyboard. I want to pass a dictionary of data from the tab bar controller for use in the appropriate child tab, which is a standard UIViewController.

This seems like a long questions to answer, but I really don't know where to start. I'm looking for the easiest way through this. Must I make the tabs function programmatically? Pointing me towards any useful developer documentation would also be much appreciated.

-Austin
p.s. i'm new and have so far depended on storyboard for viewcontroller transitions


Solution

  • It took a couple of days, but I discovered a simple solution. In my TabBarController's viewDidLoad method, I can access and set attributes of my the tabbed subviews using

        [[self viewControllers] objectAtIndex:0]
    

    or whatever index you wish to access.

    Saving that as an instance of my tab1_viewController gives me a pointer to the object, from which I can get and set my property values. This was initially unclear because storyboard created the tab_viewController objects for me. I never had a chance to initialize them the way I wanted to!