Category "swift"

Why there's no Int Index for Set struct in Swift?

I know that Strings in Swift don't have Int indices as Swift supports Grapheme Clusters. But, when coming to Collections in Swift, Array supports Int indices bu

EXC_BREAKPOINT with very large line number value in crashlytics swift/ios

I am getting a worrying amount of EXC_BREAKPOINT crashes in crashlytics for my iOS swift app. I tried fixing the bug by looking at the method 'populate(user:wi

Swift String variable

//First way var myVar: String = " Hello" print(myVar) //Second way var str = "Hello" print(str) I get the same output no matter which of the two I use. What's

Swift to Arduino using serial

For my school project, i want to create a MacOS application that communicates with my Arduino using a serial connection. I tried 2 different library (SwiftSeria

Comparing non-optional value of type 'Bool' to 'nil' always returns true

I have an if-else statement where I am checking if the value coming from user defaults is nil or not like this: if defaults.bool(forKey: "abcd") != nil{

Circle in SwiftUI doesn't show in my iPhone

I have two Circles to show a circle progress bar, one of these is the progress the another one is the background, but the progress circle doesn't show in my iPh

Session sharing is not enabled | Swift

I am currently trying to show Routes in my app, but I get [UserSession] maps short session requested but session sharing is not enabled in the console. I separa

SwiftUI - is it possible to get didSet to fire when changing a @Published struct?

I have just updated to XCode 11.4 and some of my code has stopped working. I have some @Published struct variables in an ObservableObject. Previously, when I up

SwiftUI Binding default value (Argument labels '(wrappedValue:)' do not match any available overloads)

In Swift you can define default values on a struct that can be overwritten on initialization: struct myStruct { var a: Int = 1 } var instance1 = myStruct()

SwiftUI Drag and Drop files

I am trying to add a "Drag and Drop" gesture / function to my SwiftUI Mac application. I want to drop files from my System/ Desktop into my Application. It is

Can I use actors in Swift to always call a function on the main thread?

I recently saw that Swift had introduced concurrency support with the Actor model in Swift 5.5. This model enables safe concurrent code to avoid data races when

FirebaseMLNLTranslation model files not found

I am adding a translate text feature to my app. I have the text and run the initial setup, but this error keeps coming up. error: Error Domain=com.firebase.ml

SwiftUI List inside ScrollView

I want to make my List inside a ScrollView so that I can scroll List rows and headers together. But I found that List inside ScrollView isn't working. It shows

Property initializers run before 'self' is available Error?

I am trying to make the map in my app update its style URL based on the device being in dark-mode or light-mode. However I am getting the error below where I de

iOS Observe Call State Logs via heard daemon (accessibility service)

I am doing some iPhone automation and want to observe call states of ongoing calls. I implemented a listener to read the idevicesyslog and fetch log output of c

Can I set the order of the images? PHPickerViewController

Using the PHPickerViewController, the result of the selected image will be displayed as a result. Can I set the order of the images? private func makePickerView

UICollectionViewCompositionalLayout header misalignment

I have created a custom layout based on UICollectionViewCompositionalLayout that presents each section's items in a panel or card... ...here the blue area is

How to access own window within SwiftUI view?

The goal is to have easy access to hosting window at any level of SwiftUI view hierarchy. The purpose might be different - close the window, resign first respon

How to use sharing with CoreData/CloudKit synching

I have an app that works well synchronizing the local core data records with a private database. I would like to make the CloudKit database a shared database an

SwiftUI - How to close the sheet view, while dismissing that view

I want to achieve the function. Like, "Look up" view that is from Apple. My aim is when the sheet view push another view by navigation, the user can tap the na