Working on an iOS app, implemented in obj-C and C. I recently added a Cocoa touch class to the project, and the app builds and tests fine on iOS 12.2 simulators. However, when attempting to test on an

Hi all, I’m having an involuntary adventure with the dynamic loader, as I attempt to link an ObjC code against anaconda python 3. (I worked out a solution for python 2.7 a while ago, but switching to

I’m revising some iOS apps (for iOS 12.0) to use PDFView objects. I have included the PDFKit framework, but the IB objects library does not contain a PDFView. PDFKit programming guide is out of date r

with obj-c / c / c++ compiler i was able to force specific warnings into errors on a "per warning" basis. example, Xcode build console shows: "warning: unused variable 'i' [-Wunused-variable]" i then

Xcode (tested with 10, and Xcode 11 Betas) allows a pointer to NSDictionary* (a pointer to a pointer) be used instead of a pointer to NSMutableDictionary*, which leads to a runtime crash instead of ex

Our iOS app has a mixture of Objective-C and Swift. As expected, we need to disable NSLog in release but I heard rumors that Swift’s print statement is disabled from writing to the log file in release

Hi all I’m changing a project from 32 bit to 64 bit. The application in question has NSTableView s in many windows - and they all work fine - with two exceptions. The table views that are not working

Guess what?! On iOS, I just found out that the Simulate Location in the scheme Run section is ignored during test. Fun times! Does anyone have any strategy for simulating the time zone and locale when

I have a situation in our iOS app where we visit one screen, maybe click in a field and around that time, memory used jumps. Now, it only jumps about 5 MB when running the app normally and navigating

I'm trying to add another Xcode project (a framework I'm building) to my macOS app project. I can drag the .xcodeproj file from the Finder to my app's Files & Groups view, but the resulting entry does

When I try to build and run my app with Xcode 11 (beta 2), I get: dyld: Library not loaded: /System/Library/Frameworks/PDFKit.framework/Versions/A/PDFKit Referenced from: <path to my app’s executable>

Xcode 10.1 How can I break on this runtime assertion? [Assert] Cannot be called with asCopy = NO on non-main thread. -Carl

I just took a chance to open Xcode 11.0 beta, created a new iOS app and noticed that when adding a UIButton to a storyboard scene, that the standard fonts aren’t available. : /. So, I look through the

Does anyone know if there is any online documentation for Memory Graph which is next to the View Debugger/View Inspector? I’ve got a few hundred memory leaks to try and get a grip on and am interested

Hi all, I wanted to start building a notarization automation script. However, when I try to use the 'xcrun altool' in Terminal, I get the following error: xcrun: error: unable to find utility "altool"

Hi, Experienced Mac and iOS developer with a lot experience in Objective-C and many other languages. Experience of the following technologies: XCode Quartz Event Taps. Accessibility. AppleScript. Grap

I ran into some project.pbx conflicts in a merge yesterday and after a morning of unsuccessfully trying to merge two branches without losing source or build schemes, I was glad I duplicated the projec

I tried to notarize an app, and the Organizer still says "Processing" after 20 minutes, but when I checked on the command line using xcrun altool --notarization-history, it says "package approved". So

There's a new iOS update to 12.3, but where is the version of Xcode that can build for it? The latest on https://developer.apple.com/download/more/ is Xcode 10.2.1, which only builds up to iOS 12.2. -

I have a macOS application project that uses a private framework built by a dependent target in a sub-project. When I try to archive it with Xcode 10.2.1, there is no error message, but the archive sh