Questions tagged [objective-c]
This tag should be used only on questions that are about Objective-C features or depend on code in the language. The tags [cocoa] and [cocoa-touch] should be used to ask about Apple's frameworks or classes. Use the related tags [ios], [macos], [apple-watch] and [tvos] for issues specific to those platforms.
objective-c
39
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Is there a way to force an NSObject to be allocated in stack or static memory?
I am asking this out of curiosity, because even if this can technically be done, this is almost certainly unsupported by Apple.
As far as I can tell, only NSString literals, and possibly NSDictionary ...
- 4,374
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29
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Can we customize how parameters and return types are imported from Objective-C into Swift?
I have an Objective-C class that is a proxy to an NSDictionary.
@interface DictionaryProxy : NSProxy
-(id)objectForKey:(id)key;
-(void)setObject:(id)obj forKey:(id<NSCopying>)key;
@end
I have ...
- 13
-1
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0
answers
55
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SwiftUI Scroller flashing entire collection when inserting new data
I Have a SwiftUI view which is a collection that displays each item on a full screen sized view. While the user is viewing and interacting with the items (it's a view that shows photo or video that ...
- 1,583
1
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36
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Unable to mount NFS share using mount(2) on macOS
I've been trying to write an application for older versions of Mac OS X that mounts an NFS network share and ran into an interesting quirk when trying to use the mount(2) function. According to the ...
- 29.3k
0
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49
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Generating a signature for promotional offers in Objective-c
My requirements are to generate a signature for a promotional offer in the iOS app code (Objective-C), but I'm getting nil every time with the error: 'The operation couldn’t be completed. (OSStatus ...
- 71
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38
views
How can I initiate a new URL request using an already loaded WKWebView?
I have opened a WKWebView with "https://www.google.com", for example. After that, I put my app in the background. When I try to open a new URL request in the same web view with a new link, ...
- 11
1
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35
views
Broken `static_cast` from `NSURL*` to `CFURLRef`
Consider the code at the bottom. I am convinced it’s broken and should not compile. Line 224 has a static_cast from NSURL* to CFURLRef with no bridging which I believe will break the reference count. ...
- 470
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33
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Build input file cannot be found and xcode is searching file at wrong path after pod install
i am getting this error after pod install in xcode
error: Build input file cannot be found: '/usr/lib/libstdc++.6.0.9.dylib'. Did you forget to declare this file as an output of a script phase or ...
0
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15
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microsoft.identitymode.tokens.audienceurivalidationfailedexception was thrown while trying to open One Drive document in WKWebView in iOS app
I am working in iOS app needs to be opened One Drive attachments in WKWebView.
Sample One Drive document is
https://\*\*\*.sharepoint.com/personal/\*\*\*\*\*\_onmicrosoft_com/\_layouts/15/Doc.aspx?...
-1
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0
answers
25
views
Fetching data while UITableView Scroll
I have caught up in specific situations and cannot find a proper solution.
I have historic data and details are getting fetched via API1 and details are displayed in TableView
e.x
Name - Phone No
...
- 1,534
0
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33
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Issue with nullability specifiers in Xcode when developing Flutter app
I'm developing a Flutter application and encountering an issue with nullability specifiers in Xcode. Specifically, I have methods in my Objective-C files where Xcode is reporting conflicts with ...
- 11
0
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0
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40
views
How do I replace detail view controller navigation stack when presenting
I'm working with a UISplitViewController that's using some storyboards but now moving to programmatic presentation (which is what I'm familiar with). I have a VC that's currently presenting as a push, ...
0
votes
1
answer
42
views
Calling NSApplication from Rust using objc
I am trying to learn by doing a project of allowing AppKit certain functions , related with App and Window creation to be called from Rust using objc.
extern crate objc;
use objc::runtime::{Class,...
- 327
0
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0
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52
views
SQLCipher "file is not a database" Error After Updating iOS App
I'm encountering an issue with SQLCipher in my iOS app after updating to a new version, which involves different workspaces of my app. The app uses SQLCipher(version: 3.1) to manage an encrypted ...
- 351
0
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1
answer
27
views
Kotlin Multiplatform objective-c export file name convention
What logic is used to create class and protocol names when Kotlin code is exported to Objective-C? Additionally, where can I find detailed information about this process?
Where code like:
package ...
- 11.8k