Category "swift"

How do I observe changes on an array with Combine framework?

How can I observe changes on an array with Combine framework but without SwiftUI? Basically, I want this sink block to get called when an element is added or re

What is the best way to stop an image uploading and restart it using RxSwift?

I'm trying to create some functionality for uploading images to remote server using RxSwift. My upload function is below: func upload(image: UIImage) -> Sing

Is it possible to set preferred sample buffer size for AVCaptureOutput?

Say we have an AVCaptureAudioDataOutput object that has been set up with an AVCaptureSession to get data samples from the device's microphone. captureOutput(_:d

How do I fix "Expression requiring global actor 'MainActor' cannot appear in default-value expression of property '_audioPlaybackManager'"?

I have created a class called "AudioPlaybackManager" which is a MainActor class as a StateObject when the app starts up. Im getting this warning. How do I fix t

How to write auto-toggle Publisher operator?

because of a requirement to auto remove Text after its appearance in 2 seconds, I want to write this operator but still cannot figure out the best way to implem

Swift Playground with async/await "cannot find 'async' in scope"

I'm trying to run this async function on Xcode Playground: import Foundation import PlaygroundSupport PlaygroundPage.current.needsIndefiniteExecution = true e

AVAudioFile write not working Swift iOS 14

I have the following function: private func getPCMBuffer(utterance: AVSpeechUtterance, completion: @escaping (Result<AVAudioPCMBuff

'async' call in a function that does not support concurrency swift ios Xcode async/await

I'm trying to use async/await with Swift 5.5. I have my async function, but whenever I try to call it, I get this error: 'async' call in a function that does

Convert pixel array to DNG in SWIFT ... without libtiff/libjpeg?

I have raw image data, a pixel array (actually a single string of data) that I want to convert to the most basic and minimal DNG format/file. I saw different ap

Alternative of WKScriptMessageHandler for WKWebView and native communication?

Is there any alternative way other than WKScriptMessageHandler to communicate from Javascript to native code?

Background Task to Fetch HealthKit Data

I am using iOS 13 where Background Task framework there. My Query is Can it will be possible to fetch HealthKit Data in Background Mode. Can i send these Healt

Swift Switching from HTTPS to HTTP

This one's a weird one. I have a little API server that does some stuff that I want my mobile app to talk to. It has DNS and SSL correct configured, I can reach

How to switch the statusBarStyle with the new syntax to remove deprecated warnings?

how am I supposed to change this piece of code? The current solutions for this problem either cover older iOS versions or are unanswered. This is the line: UIAp

How to upload video chunks to server and download them in real time in iOS

I'm creating an iOS app where I want a user to be able to live stream a video, however, users who join the live stream after it starts, start watching the strea

Need to implement App Tracking Transparency?

I have the following in my AppDelegate //added these 3 methods func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions:

MVVM in TableView Cell

hope you're well, i am working on an app which uses TableView for showing feeds to user using ViewModel and my ViewModel contains a variable which contains data

SwiftUI not detecting dark mode from setting

In SwiftUI on my device, I set the appearance to dark mode. However, my application doesn't change the background colour based on that appearance. For the color

Execution of combined Booleans in swift

I'm having a question about a computed property where I'm using a combination of computed Booleans to get a result. I understand the logic behind the code, but

Xcode swift iOS project gives "usr/bin/python no such file or directory" error when try to build project

I am experiencing the problem after the macOS 12.3 Monterey update. I get the following error when I want to run the project. There is a code looking for "/usr/

Am unable to receive HTTP responses with UIViewController set as URLSessionDelegate

Wed 5/18 Additional Info added at Step 5 I am able to create a URLSesion, build a request with a file to upload and successfully call it from my app. On my serv