Hello, all ...

I'm working on an app that has to work on first-gen iPod touch devices. I set 
the deployment target to 3.1 and made sure armv6 was specified such that my app 
now at least launches on said firstgen iPod touch. However, it hangs before 
showing the tab bar or first view controller:

        viewController1 = [[[FirstViewController alloc] 
initWithNibName:@"FirstViewController_iPhone" bundle:nil] autorelease];
        viewController2 = [[[SecondViewController alloc] 
initWithNibName:@"SecondViewController_iPhone" bundle:nil] autorelease];

    self.tabBarController = [[[UITabBarController alloc] init] autorelease];
    self.tabBarController.viewControllers = [NSArray 
arrayWithObjects:viewController1, viewController2, nil];   // HANGS HERE
    self.window.rootViewController = self.tabBarController;
    [self.window makeKeyAndVisible];

The view controllers are the Xcode-generated versions -- i've not added any UI 
elements yet. Though initWithNibName:bundle: is called on each VC, their 
viewDidLoad methods are _not_ called. Is there something special I need to do 
with the Xcode-generated XIB files in order to support iOS 3.1?

Regards,

John

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