TTViewController and popupViewController method
iphone, three20, uiviewcontroller
Solution
Had the same issue and found the error!
This is what happens when you forget to add -ObjC and/or -all_load to Other Linker Flags according to the Three20 setup instructions. Could be that you added them to the project level, and have an overriding setup at a lower level - that was the case for me.
Problem
I'm using a TTLauncherView and for that I declare a view controller as TTViewController, as is in TTCatalog tutorial app. Declare a TTLauncherView var inside that view, add items, and so on. In my app's main view is a button calling the previous view with the following code: ``` -(void) switchToButtonOrderingView { ButtonOrderingViewController *ButtonOrderingView= [[ButtonOrderingViewController alloc] initWithNibName:@"ButtonOrderingViewController" bundle:nil]; self.ButtonOrderingViewController = ButtonOrderingView; [self.view insertSubview:ButtonOrderingView.view atIndex:10]; } ``` When I press the button the app brakes up at this method which belongs to TTViewController.m: ``` - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { UIViewController* popup = [self popupViewController]; //brakes up here if (popup) { return [popup shouldAutorotateToInterfaceOrientation:interfaceOrientation]; } else { return [super shouldAutorotateToInterfaceOrientation:interfaceOrientation]; } } ``` and the error goes like that: [ButtonOrderingViewController popupViewController]: unrecognized selector sent to instance Checked to see Three20 Class Hierarchy and TTViewController is a UIViewController subclass. popupViewController is a TTPopViewController (and its subclasses) method! Which I'm not using nor do TTCatalog tutorial app. I'm lost. Any help will be appreciated. Thanks.