This works: - (void)showPreferences: (NSMenuItem *)sender; { (void)sender; // if ( self.prefController == nil ) // this line should not be commented out { self.prefController = [ [ NSWindowControll

I have two apps: one in Objective-C, the other one in Swift. Both have: PrefWindow.xib PrefWindow.xib (Base) PrefWindow.strings (German) … The problem is: 1. The Objective-C version just ignores P

On certain iDevices, we have a UIAlertController that refuses to display the text of the only button, the OK button. This has been a problem for the past year and of course it only appears in the ale

Hi, There used to a a web page that had a list of all the Apple Sample Apps, does anyone know if this still exists and if so, where? I can’t seem to find it any more. Thanks a lot All the Best Dav

Hi All, I’m about to add some animations to my game and was wondering if any could give me some advice on the implementation given my App. This is for iOS Landscape only at present but I am intending

My iOS app has 2 custom UTIs declared in the Imported UTIs section, and 3 Document Types (those 2, plus pdf). When I try to share a file (doesn't matter if the URL's UTI is one of the custom types or

Sorry for noise. Found the solution 5mins after I sent the email. Mark

Hi, I’m trying to use NSInteger and/or NSUInteger in a InitWithFormat statement, I’m using %ld as the specifier but this is producing warnings? Has this changed recently, because code that used to co

Printing a NSTextView centres the text (if it is less than one page in size) vertically in the page, as opposed to the top. What do you need to do to fix this? let tv = NSTextView() tv.textStorage?.ap

macOS 12.5, Xcode Version 8.3.2 (8E2002) App with Base Internationalisation; Development Language = English, localised for German. Target = “TargetName” (probably same as PRODUCT_NAME) Both InfoPli

This works (Xcode Version 8.3.2 (8E2002)): class SomeClass { private var privateStatus: Int var status: Int { get{ return privateStatus } set(new) { if new == privateStatus {return} … do something

macOS 12.5, Xcode Version 8.3.2 (8E2002), a Cocoa Swift project. Worked fine; then I changed the name of the Target from “OldName” to "NewName". Now nothing works. I get told: Unknown class ‘_TtC4<

Hi All, Does anyone know of an alternative for Auto Layout. I find myself wasting so much time with it as to be ridiculous, so I’d like to get away from it if possible. I’m writing a Game for iPhon

Hi All, I spent all of yesterday and the first part of today purging Auto Layout from my Main Game View Controller and I’m soooooo happy I did it - my XCode life is so much better! Things happen quic

Hi All, Do I *need* to add constraints to a Scroll View or the Views inside a Scroll View? I’m trying to avoid applying any constraints in a View, I’ve started again using the old fashioned way of d

BTW, frequently I wish for the boxes & glue (& penalties) layout model that Plass & Knuth famously used for typesetting (TeX and all that). I believe the default layout manager for NSTextView uses th

Mike Ash has been offline for a while, but his Friday Q&A is back with a detailed line-by-line analysis of the objc_msgsend function on ARM64. This is the core Objective-C runtime function that sends

iOS - Landscape Only. Hi, I have a View Controller in a Storyboard that contains a hierarchy of Stack Views, the leafs are a Custom Class that inherits from UIView. The Custom Class LTWGameCellView :

I'm doing the development of a small app on 10.10, so all the 10.11 additions to NSCollectionView aren't available. I have a window filled with an NSCollectionView in a scrollview, which contains 1 ro

Swifty question, macOS: As part of its functionality, my sandboxed app allows users to search for files across the entire filesystem. In the results of the search (displayed in an NSTableview), I impl