With iOS 13, as stated in the Platforms State of the Union during the WWDC 2019, Apple introduced a new default card presentation. In order to force the fullscreen you have to specify it explicitly with: let vc = UIViewController() vc.modalPresentationStyle = .fullScreen //or .overFullScreen for transparency self.present(vc, animated: true, completion: nil)
From proper way to do uitextfield text change call back: I catch the characters sent to a UITextField control something like this: // Add a “textFieldDidChange” notification method to the text field control. In Objective-C: [textField addTarget:self action:@selector(textFieldDidChange:) forControlEvents:UIControlEventEditingChanged]; In Swift: textField.addTarget(self, action: #selector(textFieldDidChange), for: .editingChanged) Then in the textFieldDidChange method you can examine the … Read more
@implementation TestClass – (void) dealloc { // If you don’t remove yourself as an observer, the Notification Center // will continue to try and send notification objects to the deallocated // object. [[NSNotificationCenter defaultCenter] removeObserver:self]; [super dealloc]; } – (id) init { self = [super init]; if (!self) return nil; // Add this instance of … Read more
The original code for the Cocoa frameworks came from the NeXTSTEP libraries Foundation and AppKit (those names are still used by Apple’s Cocoa frameworks), and the NextStep engineers chose to prefix their symbols with NS. Because Objective-C is an extension of C and thus doesn’t have namespaces like in C++, symbols must be prefixed with … Read more
I resolved this issue as I was typing the question. I figured I’d answer my question and leave it here for anyone else who may face this issue when using Xcode 6 beta 4. To resolve this issue, you need to select each of your custom class objects in Storyboard (this includes any custom views, … Read more
In the target’s General tab, there is an Embedded Binaries field. When you add the framework there the crash is resolved. Reference is here on Apple Developer Forums.
Where are you calling this method from? I had an issue where I was attempting to present a modal view controller within the viewDidLoad method. The solution for me was to move this call to the viewDidAppear: method. My presumption is that the view controller’s view is not in the window’s view hierarchy at the … Read more
iOS 8.0 introduces the layoutMargins property on cells AND table views. This property isn’t available on iOS 7.0 so you need to make sure you check before assigning it! The easy fix is to subclass your cell and override the layout margins property as suggested by @user3570727. However you will lose any system behavior like … Read more
You can check if [string length] == 0. This will check if it’s a valid but empty string (@””) as well as if it’s nil, since calling length on nil will also return 0.
Apple sort of rearranged/repurposed the fields. Going forward, if you look on the Info tab for your Application Target, you should use the “Bundle versions string, short” as your Version (e.g., 3.4.0) and “Bundle version” as your Build (e.g., 500 or 1A500). If you don’t see them both, you can add them. Those will map … Read more