Category "swift"

Swift Combine dependent API Calls

I have 3 API call, all of them are being called using Publishers. API A & API B will be called first before API C got called. But API C should be called onl

Swift tabBar not displaying correctly

In Xcode I have this app that uses tabBarItem. There are 5 items and occasionally when I'm on a specific page I get this weird overlay of the tabBarItems (see p

Swift: Array of Dictionaries get nested value

I'm need help in Swift, hope someone here can help me, I'm new and I don't understand exactly how to get values out of a nested JSON. this is what I have. In th

Metal Ray Tracing – SceneKit or RealityKit

The WWDC21 talk below shows how to "Enhance your app with Metal ray tracing". How can I add Metal ray tracing to a SceneKit or RealityKit app? Any basic example

Replicate UIView motion effects on sprite nodes

Views on Swift have a special property that allows them to add effects to it, which looks like this: view.addMotionEffect(interpolatingEffectCombined) Note tha

How to convert a date string with optional fractional seconds using Codable in Swift?

I am replacing my old JSON parsing code with Swift's Codable and am running into a bit of a snag. I guess it isn't as much a Codable question as it is a DateFor

Text not updating when variable updates in SwiftUI (Swift 5, Xcode 13)

I have this variable, timeRemaining and when a button is pressed it should subtract one from timeRemaining. I want the Text to update whenever the user clicks t

How to programmatically segue after successful authentication with Firebase?

I'm just starting to code with Swift and I need help! I have authentication with firebase with email, I would like that after this login to show another view co

How to resolve expected declaration error in swift?

I am new to swift and am trying to build an app. I am receiving "Expected Declaration" error on Xcode when I type the following code. .edgesIgnoring

realm swift - filter objects with a property that starts with a string included in a list

I have a list of strings filterList = ['x0', 'x1', 'x2'] My object is as follows: class Item: Object { @Persisted var name: String? } I want to get all obj

xcode does't generate .h file for swift framework project?

I created a framework writting on pure swift , but I cant find any .h file of public class . shouldn't Xcode generate .h file automaticly? here is project struc

NumberFormatter and unsigned with UInt64.max

I'm trying to create a string representing UInt64.max using NumberFormatter. Here's the code: let formatter = NumberFormatter() formatter.usesGroupingSepar

SwiftUI - How to center a component in a horizontal ScrollView when tapped?

I have a horizontal ScrollView, and within it an HStack. It contains multiple Subviews, rendered by a ForEach. I want to make it so that when these Subviews are

SwiftUI toolbar text size changes on appear

Related to this I am trying to make an app based on Notes app. I set my iPhone text size to the smallest, and when the view changes, the texts on new view's to

How to use UserDefaults inside a swift package that can fetch data from main Swift codebase?

I have a package (say, "PackageDemo") that is imported inside my application (say, "ApplicationDemo"). I have some methods in PackageDemo that needs data to be

How to use UserDefaults inside a swift package that can fetch data from main Swift codebase?

I have a package (say, "PackageDemo") that is imported inside my application (say, "ApplicationDemo"). I have some methods in PackageDemo that needs data to be

Problem with Firebase Firestore when calling on App Delegate swift

I want to make a firestore call every time the app launches. but the line of accessing firestore or the completion is not being executed. class MoodAnalysisFire

Change default StackView animation

Forgive me if explanation is not excellent. Basically, the video below shows the standard animation for hiding labels in a stack view. Notice it looks like the

How to load image from photos using new PHPicker in iOS programmatically?

I want to select an image from photos using new PHPickerViewController and I want to open PHPicker directly when my controller is load. Like this import UIKit

Is an Apple OS airdrop bot possible?

Is it possible to create an Airdrop bot that sends a picture automatically to nearby Apple devices? Like I choose the picture, turn on the bot, and go to a publ