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Questions tagged [uiviewrepresentable]

229 questions
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NSUnknownKeyException when connecting property IB

I am trying to integrate a UIKit view into my SwiftUI project using UIViewRepresentable as an intermediate. A TestViewVC.swift file was created containing just a simple IBOutlet: import Foundation import UIKit class TestViewVC: UIViewController { …
keith.g
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UIViewRepresentable: Cannot use mutating member on immutable value: 'self' is immutable

I want to create a custom textfield for SwiftUI by using UIViewRepresentable. To handle the didBeginEditing and didFinishEditing actions I subscribed to the publishers that I previously created as an extension to the UITextField class. So I put the…
Heimdallr
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UIViewRepresentable and UILabel resizing behaviour

I'm building a UILabel based SwiftUI view using UIViewRepresentable on an app that has a minimum deployments target set to iOS 14. The code of the View is: struct MyLabel: View { @State private var size: CGSize? = SizeKey.defaultValue @State…
Luca Bartoletti
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Why doesn't my UIViewRepresentable button handle VoiceOver tap actions?

I am trying to reuse a custom UIKit control in a SwiftUI screen, so I have wrapped it in a UIViewRepresentable struct. However, it does not respond to accessibility tap gestures (double-tap while VoiceOver is enabled). My code is like struct…
Greg
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AVQueuePlayer play/pause methods not updating UI

I have a looping video player that should play or pause based on a given isPlaying property. I initially created a looping video player (similar implementation to this example) -- now I want the ability to pause it. The UI initializes the video in…
Jake Loew
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Content offset issue in wrapped UIScrollView during transition from the bottom of the screen in SwiftUI

Description I am using a custom UIScrollView with custom content in a popup view that transitions from the bottom of the screen. However, each time it animates, the content within the UIScrollView appears to offset its position when reaching the top…
Hollycene
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State does not update immediately when Binding is changed in UIViewRepresentable

I want a UITextView with its height wrapped to the content inside. And this solution works just fine. However, it breaks when there are multiple such views, say, in a VStack. In iOS 16 UIViewRepresentable has a method sizeThatFits(_:uiView:context:)…
ikroop
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UIKit pinch gesture in a mixed SwiftUI / UIKit environment presents issues with scaleEffect, anchor and offset

Apple provides some elegant code for managing pinch gestures in a UIKit environment, this can be downloaded directly from Apple. In this sample code you will see three coloured rectangles that can each be panned, pinched and rotated. I will focus…
Juan
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UITapGestureRecognizer not triggered when used by 2 overlapping UIViewRepresentable

Because I need to know whether user taps with finger or pencil, I had to create a UIViewRepresentable with a UITapGestureRecognizer. Everything works fine when this View is used with other SwiftUI views. But when stack 2 of this view, and I clip the…
MohG
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How to clear all text in a UIViewRepresentable Text Field with a view modifier

I'm trying to delete all text inside a Text Field when a button to the right of the text field is tapped. When I tap the clear button it behaves as though the text has been cleared. It shows the placeholder text which is set to be shown when the…
Tirna
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How to pass a string inside a class that is inside a struct?

struct WebView: UIViewRepresentable { @Binding var response: String func makeUIView(context: Context) -> WKWebView { let webConfiguration = WKWebViewConfiguration() let wkController = WKUserContentController() …
David Leyva Abrahantes
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Google Maps SDK heatmap wont update upon array append

EDIT: Look at my comment in the solution to see what I changed in the updateUIView. I am trying to update a heatmap I have on my map via a button press. Here is how the screen looks: GIF of how the screen and interaction look I have the array that…
RocketBlaster05
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Changing keyboard language using UIKit in SwiftUI (UIViewRepresentable)

I'm trying to change the on screen keyboard's language layout to a different language, when user taps on a foreign phrase text field. The foreign text field is the foreign equivalent of what they typed into another text field in their native…
Tirna
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How to make UIViewRepresentable inherit UIView?

I have a UIViewRepresentable of a third-party library component FSCalendar. However, I need this to conform to type UIView... Is there a way to do this? Any help is appreciated :) struct CalendarViewRepresentable: UIViewRepresentable { …
devOP1
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ImageAnalysisInteraction in UIViewRepresentable not working correctly

I have a simple UIViewRepresentable wrapper for the live text feature (ImageAnalysisInteraction). It was working without issues until I started updating the UIImage inside the updateUIView(...) function. I have always been seeing this error in the…
fer0n
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