segue – Page 2 – Tarik Billa

Passing data with segue through navigationController

July 31, 2023 by Tarik

The destination view controller of the segue is the UINavigationController. You need to ask it for its top view controller to get to the real destination view controller: override func prepare(for segue: UIStoryboardSegue, sender: Any?) { if segue.identifier == “showItemSegue” { let navController = segue.destination as! UINavigationController let detailController = navController.topViewController as! ShowItemViewController detailController.currentId = … Read more

iOS Segue – Left to Right –

May 29, 2023 by Tarik

This is how I achieve the effect without requiring a nav-controller. Try this instead: Swift 4: import UIKit class SegueFromLeft: UIStoryboardSegue { override func perform() { let src = self.source let dst = self.destination src.view.superview?.insertSubview(dst.view, aboveSubview: src.view) dst.view.transform = CGAffineTransform(translationX: -src.view.frame.size.width, y: 0) UIView.animate(withDuration: 0.25, delay: 0.0, options: .curveEaseInOut, animations: { dst.view.transform = CGAffineTransform(translationX: 0, … Read more

How to segue back to a UIViewController that’s already loaded?

May 24, 2023 by Tarik

Assuming by your use of “push” you mean that you are using a UINavigationController, then you can use the following to return to the top of the stack. [self.navigationController popToRootViewControllerAnimated:YES]; or UIViewController *prevVC = [self.navigationController.viewControllers objectAtIndex:<n>]; [self.navigationController popToViewController:prevVC animated:YES]; to pop to a specific level where <n> is the level. or [self.navigationController popViewControllerAnimated:YES]; If you … Read more

Calling performSeguewithIdentifier doesn’t call shouldperformseguewithIdentifier

May 19, 2023 by Tarik

This behaviour is perfectly natural, for the following reasons: 1) shouldPerformSegueWithIdentifier is used to make sure that a segue that has been set up in Storyboards should be triggered, so it only gets called in the case of Storyboard Segues and gives you the chance to not actually perform the segue. 2) When you call … Read more

performSegueWithIdentifier very slow when segue is modal

May 15, 2023 by Tarik

Trust me and try this. I have run into this problem a few times. In Swift 2: dispatch_async(dispatch_get_main_queue(),{ self.performSegue(withIdentifier:mysegueIdentifier,sender: self) }) or for Swift 3: DispatchQueue.main.async { self.performSegue(withIdentifier: mysegueIdentifier,sender: self) } As discussed here and here.

IOS StoryBoard multiple Segue’s from a TableCell

May 10, 2023 by Tarik

Don’t try to hook up the Segues to a tableviewcell in this case. Hook them up to the View Controller itself.

Understanding performSegueWithIdentifier

May 7, 2023 by Tarik

First, you have to have set up the segue in your storyboard and give it the appropriate identifier. (Click on the segue (left panel) and then click on Attributes (right panel). You can then link this to buttons or selection of table rows from your storyboard, or you can call it in code using performSegueWithIdentifier:sender:. … Read more

ContainerView with multiple embed segues

May 2, 2023 by Tarik

No, there is no way to have multiple embed segues to one container view. One way to do all the setup in IB, would be to make the embedded controller a UITabBarController (with the tab bar hidden). You can then have as many controllers in the tabs as you want, and switch to them in … Read more

NSGenericException’, reason: ‘Push segues can only be used when the source controller is managed by an instance of UINavigationController

April 25, 2023 by Tarik

add Navigation Controller to your initial view Select the initial view Go To Editor–> Embed In –> Navigation Controller.

How to make a push segue when a UITableViewCell is selected

March 3, 2023 by Tarik

control drag From View Controller to View Controller You will need to give an identifier to your segue: Perform the segue: -(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { [self performSegueWithIdentifier:@”yourSegue” sender:self]; } Now here is the thing, this will just perform the segue, if you ever needed to pass some data to that view controller. Then you … Read more