The short answer is that you’re using UINavigationController, and that won’t work like you want it to. From Apple’s docs: Why won’t my UIViewController rotate with the device? All child view controllers in your UITabBarController or UINavigationController do not agree on a common orientation set. To make sure that all your child view controllers rotate … Read more
The problem, as you have said, is in these lines: if segue.identifier == “patternDetailSegue” { var detailViewController = segue.destinationViewController as! PatternDetailViewController // Could not cast value of type ‘UIViewController’ to ‘Patternz.PatternDetailViewController’ The error message tells you that the destinationViewController of this segue is not, in fact, a PatternDetailViewController. You may think it is, but it … Read more
presentViewController offers a mechanism to display a so-called modal view controller; i.e., a view controller that will take full control of your UI by being superimposed on top of a presenting controller. UINavigationController offers a much more flexible mechanism where you can push a new controller, and later pop it, so to go back to … Read more
Yes, adding it to the UIWindow would be extremely hacky and finicky. Storyboards If you’re using Storyboards and iOS 5.0 onwards, you should be able to use container views and do something like this: Here’s another picture showing the, rather simplistic, structure of the first View Controller: The view controller on the left has a … Read more
This is what Outlet Collections are for. Drag all your textfields in the same Outlet Collection in InterfaceBuilder and create an @IBOutlet to that collection in your class file: To create the outlet collection in InterfaceBuilder, ctrl-drag from the first UITextField to your class file in the assistant editor. Then choose Outlet Collection: ctrl-drag the … Read more
It’s fairly simple actually. Just create a new banner view controller for each tab that will be the parent view controller for each tab in your storyboard. Then drag in a Container View object into each banner view controller and embed your child view controllers in each banner view controller. Finally in BannerViewController.m replace the … Read more
Any code you put inside of viewDidLoad should be able to run multiple times with out any issues. If you have code that only needs to run once for your controller use -awakeFromNib. The reason is because the view of the view controller can be unloaded and loaded multiple times. The code inside of viewDidLoad … Read more
Suppose, we’re in FirstViewController //Obj-C – (void) presentSecondVC { SecondViewController *vc = [[SecondViewController alloc] init]; [self addChildViewController:vc]; [self didMoveToParentViewController:vc]; } //Swift func presentSecondVC() { let vc = SecondViewController.init() self.addChildViewController(vc) self.didMove(toParentViewController: vc) } Some of you may need to write above method like this, //Obj-C – (void) presentSecondVC { SecondViewController *vc = [[SecondViewController alloc] init]; vc.view.frame … Read more
It’s odd to be setting your window’s rootViewController in application:didFinishLaunchingWithOptions: if you have a MainWindow.xib. Usually a project follows one of three templates: Some projects have a MainWindow.xib. The target’s “Main Interface” is set to “MainWindow” in the target’s Summary tab (or in its Info.plist). This xib’s File’s Owner is UIApplication. The xib contains an … Read more
After performSegueWithIdentifier:sender: your view controler will call – (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender assuming your new view controller has some propertys to set: if ([[segue identifier] isEqualToString:@”NextView”]) { MyViewController *myVC = [segue destinationViewController]; myVC.propertyToSet = // set your properties here }