Category "swift"

Limit rectangle to screen edge on drag gesture

I'm just getting started with SwiftUI and I was hoping for the best way to tackle the issue of keeping this rectangle in the bounds of a screen during a drag ge

How to add the AppTrackingTransparency permission to your iOS apps

I am extremely new to iOS, with no iOS development experience at all, however, I've been given a task that's related to preparing for iOS 14+. Based on what I'v

NSPredicate with multiple arguments and "AND behaviour"

I have a function which fetches those objects from a particular entity that fulfill a specified criterion: func fetchWithPredicate(entityName: String, argument

ReSwift and State with a reference type property

Since ReSwift is based around immutability of State, the Swift struct is obvious choice to work with. But what if I really need a reference type property in a

Google sign I didSignInFor. I am getting ID Token expired

I using google with sign in. From today morning, google sign in was not working. Not sure why its happening. I am getting error : ID Token expired On my consol

How to add image on UITableView delete button?

I have an UITableView and I've added edit actions to it. Now I want to add image above the delete buttons label, as: This is my code: func tableView(tableVi

Select/deselect buttons swift xcode 7

Part way done with learning swift but I hit a small wall and yet again, I'm sure I'm just a bit new at this and an easy solution is there but I'm having trouble

Any easier to read run-length Encoding in Swift?

Can anyone write run-length encoding code in swift that is easier to read than the one below or at least explains the one i got from rosettecode.org ? Here is t

What does animatableData in SwiftUI do?

I was playing around with the animatableData property for a custom Shape I made but I couldn't really visualise what it does and where the system uses it. I did

SwiftUI custom list with ForEach delete animation not working

I am creating a custom list displaying time information (minutes and seconds, not used in the snippet below to simplify the code). I managed to implement a nice

How to make a UILabel clickable?

I would like to make a UILabel clickable. I have tried this, but it doesn't work: class DetailViewController: UIViewController { @IBOutlet weak var tripD

Change alpha mask when texture changes on same SKSpriteNode

I have two functions that help me show different animations on my SKSpriteNode, but I need the alpha mask of this Sprite to change whenever the texture changes

Catch and call telephone number in WKWebView

I have a WKWebView that I want to ask to call a number when the number is selected. The contents of the web view contain the HTML anchor tag "tel:" and i am loo

There is a project that runs in the simulator without problems, but when installed on a device (iphone 7) crashes (when opened)

help, please, I need your help. There is a project that runs in the simulator without problems, but when installed on a device (iphone 7) crashes (when opened).

CircularBuffer error after upgrading to Xcode 13.3, SwiftNIO, Vapor in the mix

I have a project that will not compile, after upgrading to Xcode 13.3 The error is Type 'CircularBuffer<Element>' does not conform to protocol 'MutableCol

Swift - Adding a checkbox to every cell in the tableView

I've already made a table view which allows the user to add tasks to the table view, but now I need to add a checkbox in front of each task, so that the user ca

UITextView.attributedText, How to set numberOflines and lineBreakMode?

In some condition I have to use UITextView instead of UILabel(To make link attributes clickable). Here is my code: let attributedString = NSMutableAttribut

How does one use NavigationLink isActive binding when working with List in SwiftUI?

The use case is pretty simple. I have a List of places, and each corresponds to a geofence. I need to enable navigation in that particular row(s) whose geofence

typealias LazyVStack for iOS 13

I have a SwiftUI app that I want to maintain iOS 13 support for, but on iOS 14 I want to use the new LazyVStack and LazyHStack. I was thinking typealias would b

Why does RealityKit memory does not clear after deinit called?

I cannot manage to release my RealityKit ARView() from memory. I am aware that there were similar issues with ARKit + SceneKit with workarounds which doesn't so