336,246 questions
-1
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0
answers
76
views
compressing HEIC images produces larger size images on ios but not on macos
This is my code. Can I replicate AppKit compressing algorithm on iOS? platformImage is my placeholder for either UIImage or NSImage
#if canImport(UIKit)
//this, on iOS, produces a ...
- 749
0
votes
0
answers
47
views
Library 'swiftWebKit' not found when building for physical iOS devices after upgrading Xcode — works fine on Simulator
After upgrading to the latest version of Xcode Version 26.0 (17A324), my React Native iOS project fails to build or run on a physical iOS device, but runs successfully on the iOS Simulator.
The error ...
- 559
0
votes
0
answers
78
views
Swift OpenAPI Package Generator ClientMiddleware Protocol Never Conforms
When creating a new Authentication Middleware class that conforms to the ClientMiddleware protocol defined in the swift-openapi-runtime library, Xcode reports that the class does not conform to the ...
0
votes
0
answers
18
views
Google Ad iOS SDK 12.4 duplicate Ad returning issue
We are using Google Mobile Ads SDK version 12.4.0 in our iOS app, and the app is displaying multiple custom native ads on a single screen. Each ad request uses a different unitPath.
With the older SDK ...
1
vote
0
answers
50
views
FirebaseAuth suddenly stopped working on older iPhones (login leads to blank screen, AppCheck/App Attest issue?)
My iOS app (Swift + Firebase + Cloudinary + Render backend) has been working fine for months and is live on the App Store.
However, since October 10–12, 2025, users with iPhone 11 and 11 Pro cannot ...
0
votes
0
answers
52
views
Delete element in Array from a class [closed]
I am trying to create a swipe action where I can delete (Ideally trying to have a delete and edit button). I am having an issue with deleting under the swipe action.
I should note that I have class ...
4
votes
1
answer
73
views
Seek to the actual first frame of a video whose timestamps don’t start at zero (AVPlayer / AVAsset)
I’m working on an iOS app that loads videos using AVPlayer, and I’ve run into a common issue: some videos have timestamps that don’t start at zero, so when I seek to zero I get a black or transparent ...
- 11.3k
-2
votes
0
answers
57
views
ARKit Eye Tracking Calibration Issues - Word-Level Reading Tracking Feasibility [closed]
I'm developing an eye-tracking application using ARKit's ARFaceTrackingConfiguration and ARFaceAnchor.blendShapes for gaze detection. I'm experiencing several calibration and accuracy issues and would ...
0
votes
0
answers
43
views
iOS 26: performSegue() found nil on iPad [closed]
self.performSegue(withIdentifier: "showModifyMeldungSegue", sender: self)
throws "Thread 1: Fatal error: Unexpectedly found nil while implicitly unwrapping an Optional value".
This ...
1
vote
1
answer
47
views
Why does wrapping `continuation.resume(with:)` in a closure resolve this warning?
When writing new async/await code that makes use of an existing completion-based service, I've found it is necessary to wrap the call to continuation.resume(with:) in what feels like a redundant ...
- 3,879
-1
votes
0
answers
26
views
UIAppearance crash when setting UIBarButtonItem.appearance().hidesSharedBackground = true
I’m trying to turn off the new shared background (“glass”) effect for bar buttons, especially for the native ones like backButton.
In AppDelegate I set the global appearance like this:
// AppDelegate....
- 76
0
votes
0
answers
20
views
Library not loaded: @rpath/DTBiOSSDK.framework/DTBiOSSDK
I have one xcode work space contain two iOS app projects and one shared lib framework. Recently, we are trying to SPM to import another SDK into our projects. I have set the package dependency in the ...
- 1,468
0
votes
0
answers
72
views
Declaring an array of weak referenced protocols in Swift gives error: 'Weak' requires that 'any LocationSendingDelegate' be a class type
I need to store an array of weak referenced protocols.
My code:
class Weak<T: AnyObject> {
weak var value: T?
init (_ value: T) {
self.value = value
}
}
protocol ...
0
votes
0
answers
50
views
Apple mapkit route function does not work in China [closed]
I’m developing an iOS app using MapKit to calculate travel times between two coordinates.
Everything works perfectly when I test with coordinates in the US, Japan, or Hong Kong if my network is ...
0
votes
1
answer
59
views
How to make Custom TipKit View with .popoverTip in iOS SwiftUI
I want like this "Next" button to be on left side and 4 indicators on right side kind of TipKit view, which should be popover on the existing view; how to achieve this?
I am able to create ...
- 1,180