Category "swift"

Is it possible to distinguish Bool and Int in Swift?

I have an AnyObject type that can be String, Int or Bool type. I need to distinguish them. This code tries to do so, but it considers Bool to be Int: import C

How to get the index of a deleted row from a list in SwiftUI?

I want to delete an element from an array that I am displaying as a list using a ForEach, but I also need to send a HTTP request to a REST API and I need to put

Is it possible to distinguish Bool and Int in Swift?

I have an AnyObject type that can be String, Int or Bool type. I need to distinguish them. This code tries to do so, but it considers Bool to be Int: import C

Swift: Check which value in NSArray is closest to another given value

Lets say I have an array var values:[CGFloat] = [-12.0, 450, 300] I need to find out which of these numbers is closest to a given value, say var givenValue

What is the best/shortest way to convert a UIColor to hex (web color) in Swift?

I came up with the following solution, but would like to know if someone has a cleaner approach to it (tested it in Xcode-Playground): let colors = CGColorGetC

UItextView delegate swift - textViewDidBeginEditing not called

I've seen the other topics dealing with UITextView delegate, but can't seem to find where my issue come from. Here is my code, but when I modify my UITextView,

Cannot find type 'PiPViewCoordinator' in scope

I am getting following error when i install JitsiMeetSDK in flutter but i am unable to run app. Can somebody suggest me how can i resolve this issue? I am usin

How retrieve the normal for a given face of ARMeshGeometry?

given a ARMeshAnchor 'meshAnchor', i can retrieve its geometry and faces : let geometry = meshAnchor.geometry let faces = geometry.faces var i = Int(0) while i

DestinationViewController Segue and UINavigationController swift

So I have a prepareForSegue method like this: override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) { if segue.identifier == "fromEve

How can I manage this view when constraints aren't available to me in swiftui?

I am very new to SwiftUI, and have actually been getting the hang of arranging my views using the Z, V and HStacks. But the lack of a centre anchor is proving d

SwiftUI edges visible after using overlay

I'm trying to create rounded edges in one of my views using overlay. .background(Color.gray.opacity(0.2)) .overlay( RoundedRectangle(cornerRadius: 10)

How can I present a small page sheet with SwiftUI?

I'm developing an app for iPad with SwiftUI. I want to present a page sheet but with a smaller size. I'm using but I can't change the width of the page sheet.

QLPreviewController missing navigation bar in SwiftUI

QLPreviewController navigation bar missing when I presented in sheet. It looks like this : How can I show up top navigation bar or navigationItem? QuickLook

Error while installing pod in Apple Silicon (M1)

Command i am running is brew install cocoapods Warning: cocoapods 1.11.2_2 is already installed and up-to-date. To reinstall 1.11.2_2, run: brew reinstall

How to underline a UILabel in swift?

How to underline a UILabel in Swift? I searched the Objective-C ones but couldn't quite get them to work in Swift.

How to prevent a UITableViewCell from moving (Swift 5)

This is actually a two part question. First take a look at the code: //canEditRowAt func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath)

SwiftUI: How to center a view vertically and horizontally inside of a container view and put something under it

I searched stackoverflow, but unfortunately didn't find a solution to this particular case. I try to display following scenario: a container view a Text that

XCTest: Wait for async call to finish in synchronous function

I have a synchronous function that calls an asynchronous sub function. Now I want to test that the synchronous function sets a property. I've seen many examples

How to create a delay in Swift?

I want to pause my app at a certain in point. In other words, I want my app to execute the code, but then at a certain point, pause for 4 seconds, and then cont

How to convert hexadecimal string to an array of UInt8 bytes in Swift?

I have the following code: var encryptedByteArray: Array<UInt8>? do { let aes = try AES(key: "passwordpassword", iv: "drowssapdrowssap") encrypt