33 questions from the last 7 days
-4
votes
0
answers
28
views
With an Xcode project in despair because of package [closed]
I am only relatively new to the community. However, I can't get a few packages together and now I don't know how to get any further and I'm still at the beginning of my project, I would also be ...
1
vote
1
answer
28
views
iOS 26 - Swipe to dismiss in a navigation controller by starting the swipe at the left edge of the screen and not center of screen
In my app you can swipe from left-to-right on the left edge of the screen to dismiss a UIViewController in a UINavigationController.
But now in iOS 26, you can start the swipe from anywhere on the ...
- 10.9k
1
vote
2
answers
54
views
How do I optimize a view that potentially contains thousands of views?
I have a grid/tile view implemented like below:
struct Grid: View {
let size: Int
var body: some View {
LazyVStack(spacing: 0) {
ForEach(0..<size) { _ in row }
}...
- 943
1
vote
0
answers
36
views
Switching default channels using Core Audio
I wrote a Swift macOS app to control a PCI audio device. The code switches input and output channels by default. As soon as I launch the Audio-Midi Setup utility and switch channels, my code stops ...
- 11
0
votes
0
answers
39
views
CLGeocoder deprecation: How can I obtain geocoding bounds in MapKit?
I am currently using CLGeocoder in weather app on iOS to handle user's location queries. I then use the region property of the resulting CLPlacemark objects to obtain the region corresponding to the ...
- 203
0
votes
0
answers
61
views
How can I show a movable webcam preview above all windows in macOS without activating the app
I'm building a macOS app using SwiftUI, and I want to create a draggable floating webcam preview window
Right now, I have something like this:
import SwiftUI
import AVFoundation
struct ...
- 449
1
vote
0
answers
68
views
iOS 26.1: In TabView, NavigationStack animation breaks when intercepting tab selection to show fullScreenCover
I'm trying to show a fullScreenCover when the user taps the third tab instead of actually switching to that tab. The issue is that resetting selectedTab = oldValue in onChange breaks the ...
- 384
1
vote
0
answers
56
views
Using @Environment inside a ViewModifier causes a deep SwiftUI crash — is my theme setup fundamentally wrong?
I use a custom AppTheme type and inject it via a custom EnvironmentKey. Views can access the theme using @Environment(\.appTheme) or override it explicitly.
While this work fine in most cases it ...
- 19k
0
votes
1
answer
52
views
Facebook iOS SDK App switch login not working
I've issue in v18.0.2 when my app switch to facebook app.
I'm using AppDelegate.
My issue is only user authorize open Facebook App, user authorize in WebView is fine.
I research and tried a lot but ...
-2
votes
0
answers
60
views
JSON decoding issue [duplicate]
I have a sample JSON that I am trying to decode to models in my Swift. But it keeps failing and giving me error:
Fatal error: 'try!' expression unexpectedly raised an error: Swift.DecodingError....
- 9,758
-3
votes
1
answer
51
views
How can we disable swipe back to dismiss a UIViewController in iOS 26? (UIKit)
This doesn't work anymore on iOS 26 to disable swipe back in a navigation controller:
interactivePopGestureRecognizer.isEnabled = false
How can we disable swipe back to dismiss a UIViewController in ...
- 10.9k
-1
votes
1
answer
86
views
Flutter app shows black screen on iOS device (works on Android, no errors)
I'm trying to run my Flutter app on a real iOS device.
The app installs successfully, Firebase initializes, and logs show normal navigation (Splash → Onboarding).
But the screen becomes completely ...
- 45
0
votes
1
answer
72
views
Custom bottom sheet shows brief flicker/fade of underlying view when expanding/collapsing (iOS 15)
I’m building a reusable custom bottom sheet component in SwiftUI because my app supports iOS 15, so I can’t use .sheet with detents yet. Functionally everything works the sheet opens and closes but I’...
- 177
1
vote
1
answer
64
views
Custom strokeStyle lineCap with corner radius [duplicate]
I want to be able to give these ends a corner radius of 5 instead of sharp square ends.
lineCap only supports .round, .butt and .square
How can I create a custom corner radius for the lineCap?
Here is ...
2
votes
1
answer
66
views
Saving password in passwords app is NOT working if I have password and confirm password textfield Swift IOS 26
I am implementing a "save password" feature on sign up, where I have 3 text fields: Username, password and confirm password.
My problem is if I remove "confirm password" text field,...
- 21
0
votes
0
answers
40
views
iOS Firebase appears to hang due to StoreKit (which isn't being used)
In the past few weeks something apparently has changed with xcode/Apple which is causing our iOS regression tests to hang on authentication using Firebase.
Googling the interleaved log error Error ...
- 1,466
Advice
0
votes
2
replies
50
views
CloudKit data initial share sheet in Swift UI and iOS 26
Let's use a basic todo app as an example - sharing a todo list. I have a share button (square with up arrow) that when the user taps I want the initial share sheet to appear. If I have to create and ...
- 664
6
votes
0
answers
231
views
Multi-line title in UIButton in a UITableViewHeaderFooterView causes UIViewAlertForUnsatisfiableConstraints warnings
I need to show occasional long texts in a UIButton in the section header of my UITableView. The following simple example code shows the issue:
import UIKit
import SnapKit
class ViewController: ...
1
vote
1
answer
111
views
List view bottom edges not being clipped ios 26
before updating to iOS 26 my list was looking fine but now it has abnormal paddings and because I am using fixed height, I had to increase the height from 40 to 60 to fit the text.
There are currently ...
- 27
2
votes
1
answer
64
views
How to add a working custom button to AVPictureInPictureController?
I saw a cool feature on YouTube for playing instream ads directly in the system pip
I wanted to repeat their functionality. I was able to add a regular UILabel, but I had problems with the UIButton. ...
- 11
-3
votes
0
answers
58
views
Small navigation title is not appearing on scroll [duplicate]
When my view controllers appears, large navigation title is appearing. But when I scroll, then small navigation title is not appearing. I am facing this issue only in iOS 26. In older iOS versions, ...
- 8,548
-1
votes
1
answer
58
views
Protocols and covariance - How to enable LSP in swift? [duplicate]
I want to keep some graph traversal algorithms as generic as possible and define a protocol for this purpose:
protocol Path {
var distance : Int { get}
var end : Node { get }
init (start:...
- 75.1k
0
votes
0
answers
44
views
no products or categories on the ViewController in TableView in iOS app with api woocommerce
I begin to create online shop iOS app with connection to site on Woocommerce. I want to insert in TableView products from Woocommerce via API.
Now then I Build the app, simulator launch only white ...
-3
votes
0
answers
70
views
In UIKit, is the behavior of detached Task exactly as described in this example?
I have this code:
func drawCount() {
Task {
await _drawCount()
}
}
func _drawCount() async {
let k = await Task.detached(priority: .low) {
return gfed.filter{$0.blah}....
- 9,770
0
votes
1
answer
43
views
Create an .xcframework from Swift Package with binaryTarget
I need to pack an API that depends on a C binary into a single xcframework.
This task seems to be quite tricky because I cannot find any helpful resources. I don't know how to proceed.
I have a ...
- 1
0
votes
0
answers
43
views
Facing an error of Swift.String : Swift.Error in heresdk
I have Project where I have already integrated heresdk since 2 years back and it is working fine but when I update to latest heresdk then it gives an following error
protocol conformance descriptor ...
- 742
4
votes
1
answer
116
views
+50
RealityKit's custom light entity causes a black artifact on my 3D model
I’m working with RealityKit and I’m seeing a strange black artifact appear in the center of my rendered model. Here’s the relevant code:
let camera = PerspectiveCamera()
camera.transform = ...
- 366
0
votes
0
answers
58
views
Container Failing to Initialize After a Successful Migration & Initialization
I'm experiencing the following error with my SwiftData container when running a build:
Code=134504 "Cannot use staged migration with an unknown model version."
Code Structure - Summary
I ...
- 67
2
votes
1
answer
69
views
Remote notification tap not handled when app is killed
I’m running into an issue with remote push notifications on iOS.
When the app is in background or inactive, tapping a notification correctly triggers:
userNotificationCenter(_:didReceive:...
- 552
0
votes
1
answer
52
views
How to print async properties in LLDB?
private var maximumDistanceForTrailingHandle: CGFloat {
get async {
return ...
}
}
(lldb) po maximumDistanceForTrailingHandle
warning: <EXPR>:11:7: initialization of variable '$...
- 14k
1
vote
1
answer
51
views
.alert inside .fullScreenCover is immediately dismissed when used inside specific view hierachy
I have created a reusable ModalDialog view that presents modal content via .fullScreenCover. Inside this dialog, a button triggers a SwiftUI .alert.
This works fine in many situations. However, in a ...
- 19k
-1
votes
1
answer
71
views
How to reduce top padding of NavigationBar to match native Apple apps? [closed]
When I use navigationTitle in SwiftUI, the top padding becomes too large. However, in Apple’s own apps the top area is noticeably smaller and more compact. How can I achieve the same native look with ...
- 19
0
votes
0
answers
24
views
Why Swift Testing require execution in MainActor? [duplicate]
The code below is located in the application module:
enum API {}
extension API {
protocol Endpoint: Sendable {
var basePath: String { get }
var apiName: String { get }
var ...
- 1,480