uinavigationitem – Page 2

Show search bar in navigation bar without scrolling on iOS 11

January 26, 2023 by Tarik

The following makes the search bar visible at first, then allows it to hide when scrolling: override func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) if #available(iOS 11.0, *) { navigationItem.hidesSearchBarWhenScrolling = false } } override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) if #available(iOS 11.0, *) { navigationItem.hidesSearchBarWhenScrolling = true } } Using isActive didn’t do what … Read more

iPhone: Setting Navigation Bar Title

January 23, 2023 by Tarik

The view controller must be a child of some UINavigationController for the .title property to take effect. If the UINavigationBar is simply a view, you need to push a navigation item containing the title, or modify the last navigation item: UINavigationItem* item = [[UINavigationItem alloc] initWithTitle:@”title text”]; … [bar pushNavigationItem:item animated:YES]; [item release]; or bar.topItem.title … Read more

How to change text on a back button

January 21, 2023 by Tarik

Try self.navigationItem.backBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle:@”Back” style:UIBarButtonItemStylePlain target:nil action:nil] autorelease]; I found that by looking at the backBarButtonItem docs in Apple’s docs for UINavigationItem.

How to enable back/left swipe gesture in UINavigationController after setting leftBarButtonItem?

January 18, 2023 by Tarik

You need to handle two scenarios: When you’re pushing a new view onto the stack When you’re showing the root view controller If you just need a base class you can use, here’s a Swift 3 version: import UIKit final class SwipeNavigationController: UINavigationController { // MARK: – Lifecycle override init(rootViewController: UIViewController) { super.init(rootViewController: rootViewController) delegate … Read more

back button callback in navigationController in iOS

January 2, 2023 by Tarik

William Jockusch’s answer solve this problem with easy trick. -(void) viewWillDisappear:(BOOL)animated { if ([self.navigationController.viewControllers indexOfObject:self]==NSNotFound) { // back button was pressed. We know this is true because self is no longer // in the navigation stack. } [super viewWillDisappear:animated]; }

Removing the title text of an iOS UIBarButtonItem

October 18, 2022 by Tarik

To set the back button title for a view controller without changing its title use: Objective-C: self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@”” style:self.navigationItem.backBarButtonItem.style target:nil action:nil]; Swift: navigationItem.backBarButtonItem = UIBarButtonItem(title: “”, style: .plain, target: nil, action: nil) To be clear, this is done on the view controller that you would see if you hit the back button. … Read more

How do I change the title of the “back” button on a Navigation Bar

October 11, 2022 by Tarik

This should be placed in the method that calls the ViewController titled “NewTitle”. Right before the push or popViewController statement. UIBarButtonItem *newBackButton = [[UIBarButtonItem alloc] initWithTitle:@”NewTitle” style:UIBarButtonItemStyleBordered target:nil action:nil]; [[self navigationItem] setBackBarButtonItem:newBackButton]; [newBackButton release];