unwind-segue

I want to create the following user flow in my Swift application: User clicks a button A modal view pops over with a choice. The user selects a choice. A second view appears with another choice (using a "show" transition, so the user can press < Back to alter choice #1). The user selects the second choice. The second modal view segues back to the original view (which has the button). To do this, I created the following structure: --> NC1 --> VC1 --modal-> NC2 --> VC2 --show-> VC3 (NC = UINavigationController, ^ | VC = UIViewController) | | ----Segue I'm trying to achieve----- I've tried to pop

I try to build an rss reader. On the "adding feed" page, if I tap the "add" button, I hope to check if the feed is successfully added. If it is added, then trigger the unwind segue, and back to the main page. If it is not added, stay in the current page. I know I can build an IBAction on the "add" button, and check if the feed is added. However there are two requirements I need to meet in order to add a feed. First, after I parse the url, I need to know if the parse results can generate a feed. To parse the url, I need to use the method defined in the mainViewController. Second, I need to

I’m very new to Swift and Xcode and I’ve built a simple two storyboard app which has a welcome screen and a button that triggers a seque to second storyboard (for which I have created its own class based on UIVIewController. Second storyboard has a couple of UIPickerView objects a and a couple of UIDatePickerView objects and a button. I have some basic actions under the didSelectRow function. However when I build and run the app I get an odd and seemingly random bevahiour where selecting something in the first picker view takes me back to the welcome screen (an unwind seque?). I haven’t put in

I have viewController1 that makes a modal segue to my viewController2 but the viewController2 is embebed on a navigation controller because I need the navigation bar there. I've implemented a protocol to send the data back from viewController2 to viewController1 but it doesn't function. Here is my code: protocol writeValueBackDelegate { func writeValueBack(value: String) } class viewController1: UITableViewController, writeValueBackDelegate { override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) { if segue.identifier == "SelectAddress"{ if let dest = segue

I have a mapview that is connected to several viewControllers. I needed to implement an 'unwind' from another button (as opposed to just the back button), so I used: self.navigationController?.popViewControllerAnimated(true) My question is: as the above works, should I even bother trying to implement unwind in code using prepareForUnwind and canPerformUnwindSegueAction in the parent view controller + ctrl-drag from the viewController to exit in Storyboard? If so, why? Basically if you are just dimissing a presented UIViewController or popping a UIViewController from the navigation stack,you