Category "swiftui"

Is there a way to check if @Environmentobject exists swiftui

I have a view hierarchy where sometimes there is a chance that an @EnvironmentObject is not resolved. Is there a way to check if such @EnvironmentObject exists

Get coordinates in real time of a moving view in SwiftUI

I am moving a view called Point (which is basically a point), the point is moving in the screen every 2 seconds, and I need to update the coordinates in real ti

Why is there a Gap between VStacks in SwiftUI?

A whiteness is seen in the area drawn with the red line. If I change the background color of the most inclusive Vstack, that white area changes. Deleting spacer

Change the mapType to .satellite etc with a picker

I want to be able to change the mapType from .standard to .satellite and .hybrid in xCode 13.3 Can anybody tell me if it is at all possible with this code? I im

SwiftUI - proper use of @available() and #available

Am I missing something in the following code? This app builds (macOS Monterey b5 / Xcode 13 b5) and executes perfectly on an iOS 15 device -- but causes a SIGAB

Long Press Gesture Recognizer location(in: view) not correctly calculating location

I'm using a UIScrollView to display an image with various markers on top. The image view has a UILongPressGestureRecognizer that detects long presses. When the

How to convert value of optional type Binding<T?>? to Binding<T?> in SwiftUI?

I have an init like so: @Binding var height: Double? init(height: Binding<Double?>? = nil) { self._height = height } I am getting an error: Value of

Horizontal Calender with SwiftUI

I'm exploring my way through swift & swiftui trying to teach myself. My current challenge is to produce a horizontal calendar that scrolls on a single line

Make TextField autosearch when map is opening

I have a TextField at the top of my map in Xcode. The map is opening when you choose food, to find the nearest restaurant. I want TextField to search for the St

How do I detect when User has reached the bottom of the ScrollView?

I used the following code as a reference: SwiftUI - Get size of child? SwiftUI - How to get size (height) of ScrollView content Get the current scroll position

SwiftUI: preview doesn't display content in list [duplicate]

I have created a very simple test in SwiftUI: Pokemon struct Pokemon: Identifiable { let id: Int let name: String } PokemonList struc

Thread 4: Fatal error: 'try!' expression unexpectedly raised an error

I'm trying to learn to make an API call in swiftUI, I'm following the next tutorial https://www.youtube.com/watch?v=1en4JyW3XSI but the code is giving me an err

SwiftUI & WidgetKit: Why Intent Handler does not load saved data?

I'm building a Widget with dynamic configuration. I provide a dynamic list of options with an Intents Extension - inside Intent Handler (code below). However on

Restoring macOS window size after close using SwiftUI WindowsGroup

By default, on a macOS app using SwiftUI the window size is not restored after the window is closed. Is there a way to keep whatever size & position the use

How to execute a CPU-bound task in background using Swift Concurrency without blocking UI updates?

I have an ObservableObject which can do a CPU-bound heavy work: import Foundation import SwiftUI @MainActor final class Controller: ObservableObject { @Pub

Creating a macos windowless menu bar application with SwiftUI

I am looking for a solution to create a macos windowless menu bar application with SwiftUI. I have implement the function ralated to the menu bar, the problem i

How to enter the amount of shapes in for each identifiable loop SwiftUI

I am beginner in SwiftUI, updating my app and remaking it on SWIFTUI. Here is the screenshot what I had to do... Screenshot I've successfully done actually the

SwiftUI and tvOS: adjustsImageWhenAncestorFocused

How do you get the same focus effect in SwiftUI for images as you can with UIKit? I see you can use the card button style and it does provide motion effects but

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