swift Questions
2
Solved
I've been experimenting with GCD priorities recently. Here's the snippet of code that I've been working with.
for _ in 1...1000 {
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_...
Speckle asked 30/8, 2016 at 18:51
3
Solved
Been pulling my hair for the past week.
What I've learned:
Notification sound works on iOS, not macOS
Files on ~/Library/Sound (notice the tilde, it's outside the project folder):
Some (not a...
Gamone asked 23/5, 2020 at 19:54
2
Consider the following, relatively simple Swift program:
import Foundation
func printContext(function: String = #function, line: Int = #line) {
print("At \(function):\(line): Running on \(Th...
Kalgan asked 31/8, 2022 at 20:2
1
How can I convert Codable struct to a JSON Data object and keep the order of the struct variables? I know that Dictionary is not ordered and that JSONEncoder and JSONSerialization.data accepts only...
3
Solved
Context
I have a Mac app that uses the old QuickLook protocols: QLPreviewPanelDataSource and QLPreviewPanelDelegate. You select a row in an NSTableView, hit the spacebar, and you get the QuickLook ...
Transverse asked 11/9, 2023 at 22:39
5
Solved
I am trying to prevent a popup from being dismissed when the user taps outside of the popup. I have seem other questions/answers about this, and they all seem to suggest using the modalInPopover fo...
4
Solved
2
Solved
I Am using UICollectionViewCompositionalLayout to create dynamic width, fixed height, tag cell type of layout in some sections of my collectionview. When i add a new string to an array in my databa...
Barnabas asked 5/11, 2023 at 9:45
1
I have a view controller that displays a collection view with self-sizing cells. The collection view has one section that scrolls horizontally. It looks like this:
Problem
The collection view b...
Candlefish asked 29/4, 2020 at 10:3
2
Solved
I am getting the following error when trying to integrate App Check into my iOS app.
AppCheck failed: 'The operation couldn’t be completed. The attestation provider AppAttestProvider is not support...
Stannite asked 18/7, 2022 at 19:16
3
Solved
Inside a widget, there is a button,
Button(intent: AnAppIntent()) {
// Button's label.
}
// It seems this modifier does not add any value.
.invalidatableContent()
connected to an AppIntent.
struc...
2
Solved
With NSManagedObject there are a few hooks like awakeFromInsert() and willSave() among others. Are there methods to override that can serve the same function? awakeFromInsert can be replaced with t...
6
Solved
How to get the current date in unix-epoch?
timeIntervalSince1970 prints the current time. Is there any way to get today's time at 12 AM?
For example, The current time is : Jan 7, 2018 5:30 PM. tim...
7
Solved
I have a view controller with a child view controller.
tab bar controller
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nav controller
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UIPageViewController (should rotate)
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A (Video Player) (shouldn't rotate)
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B (Controls overla...
Tuba asked 2/2, 2015 at 12:44
3
When I add a UILabel with text to a UIView and then scale the UIView, the contents is displayed with pixelation. The greater the scale factor, the greater the pixelation.
I understand using a CATe...
Pasticcio asked 10/10, 2017 at 2:26
2
Solved
I am using a CADisplayLink as a timer in my application. I am using a CADisplayLink because my app relies HEAVILY on the accuracy/precision of the CADisplayLink. NSTimer is not a suitable replaceme...
Extraversion asked 13/3, 2016 at 23:50
4
Solved
I'm trying to have a vertically growing TextField in `SwiftUI but also have the software keyboard have a custom submission method.
This uses the new functionality of iOS 16's TextFields being able ...
3
Solved
I see frequent mention that Swift arrays, due to copy-on-write, are not threadsafe, but have found this works, as it updates different and unique elements in an array from different threads simulta...
Composition asked 15/2, 2023 at 12:1
3
Solved
I have a very strange problem: "Can't find the type RCTResponseSenderBlock in scope." It's strange, because in one case it is there and in the other it doesn't, looks like a bug.
This is ...
Allynallys asked 23/10, 2020 at 13:47
7
Hello My App is already on app store uploaded with same method archive project and upload it , now i have done some little bit changes, so when ever now i archive project it got stuck on some point...
3
Solved
I like to recreate a toolbar similar to Apples Notes App using SwiftUI in a macOS app (I am using Xcode 12.3 and macOS 11.1):
My attempt was to use a Navigation View to get the Master/Detail setup...
4
Solved
By default, on a macOS app using SwiftUI the window size is not restored after the window is closed.
Is there a way to keep whatever size & position the user gave before closing the app. Essent...
2
I'm using NSPersistentCloudKitContainer to synchronise data between different devices with CloudKit. It works perfectly well with a new project, however when I'm using it with old projects the old ...
Allocution asked 3/7, 2019 at 18:10
5
Solved
Right now, I am in the process of converting from UIKit to SwiftUI. In UIKit, there is a native Close, X-Styled Button - UIButton.ButtonType.close, like shown below:
I wanted to find the equivalen...
2
Solved
If I create a Menu in SwiftUI (iOS), I cannot set the color of the Buttons inside, e.g.:
Menu("Actions") {
Button(action: { }) {
Label("Whatever", systemImage: "pencil&qu...
Dibbuk asked 18/2, 2021 at 11:56
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