Category "swift"

Manually set light/dark mode in SwiftUI and save users choice

I found a solution to manually set light/dark mode in a swiftui app in another thread found here https://stackoverflow.com/a/58476468/11698443 it mostly works,

How to enable pasting with keyboard shortcut into SwiftUI macOS agent application

I'm creating an app with Swift 5 and SwiftUI. The application runs as a status bar app (LSUIElement is true). I've created a simple preferences window with Swif

How to multiply two arrays element-wise

I need to multiply an array by another array element-wise, just like the Hadamard product of vectors in math. For example: A = [1,2,3,4] B = [2,3,4,5] C = A*B

TableView scrolling to top after applying UITableViewDiffableDataSource snapshot

I'm doing pagination using UITableViewDataSourcePrefetching. The values will be taken from the Realm local storage. I will get an array of objects. These values

ARKit/RealityKit – People Occlusion config not working

For some reason I can't get people occlusion to work, even though I looked at someone's question on Stackoverflow. Here is my code: //Load ARView let arView =

iOS ShareContext tapping on Suggestion Intent property of extensionContext is nil

I have a ShareExtension in my iOS app. I am trying to use Suggestions. I can successfully 'donate' the intent using the following code from the apple develope

How to work with bindings when using a view model vs using @Binding in the view itself?

@State and @Binding work so well in SwiftUI, as long as you put all the view's data inside itself, like this: struct ColorView: View { @Binding public var

Getting pixel format from CGImage

I understand bitmap layout and pixel format subject pretty well, but getting an issue when working with png / jpeg images loaded through NSImage – I can't

How to animate transition between views in SwiftUI?

I have the following view. import SwiftUI struct AppView: View { @EnvironmentObject var appStore: AppStore var body: some View { ZStack {

SwiftUI Pass Value from Geometry Reader to Function

I have a view which uses Geometry Reader to calculate how large the image area should be: GeometryReader { metrics in ZStack{ self.image

How do I make a hexagon with 6 triangular SCNNodes?

I'm trying to make a hexagon grid with triangles without altering any pivot points, but I can't seem to position the triangles correctly to make single hexagon.

How can I perform an Array Slice in Swift?

var mentions = ["@alex", "@jason", "@jessica", "@john"] I want to limit my array to 3 items, so I want to splice it: var slice = [String]() if mentions.count

ScrollView not covering entire screen in XCode

I'm running into an issue that has me rather puzzled. I have a UIView in Xcode with a ScrollView inside of it. I also have a UIView inside the ScrollView that I

How to get All Extensions for UTType Image, Audio, and Video

Is there a way to get All of the different UTType extension types as Strings? I need them specifically for images, audio, and video. I followed this answer, but

How to make Scroller background transparent in NSScrollView?

I've used Storyboard to set up the NSScrollView and I cannot find any option where I can disable the scroller's background. Any ideas on how to make this happen

SceneKit – Why does adding spot light blacken the floor?

Screenshot #1 shows a simple SceneKit scene with only an ambient light (explicitly added, not the default one). Screenshot #2 shows what happens after adding a

Swift UI: Center Text into Circle

I try to put a circle-shaped frame around a text view, but I just can't get it properly aligned and I can't see where the problem is. As you can see in the pict

SwiftUI HStack with equal Height

I want the Text("111") to have the equal height of the VStack containing 2222... and 333.... struct Test7: View { var body: some View { HStack (alignment:

Swift Array extension for standard deviation

I am frequently needing to calculate mean and standard deviation for numeric arrays. So I've written a small protocol and extensions for numeric types that seem

thin line on top of tab bar not removed in iOS 15

Tried using below code in iOS 15, but the thin line on top of tabbar is not removed but below code works in iOS 13, iOS 14 let appearance = UITabBarAppearance()