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Hello there,
I stumbled on the issue of observing UserDefaults. My need is to "listening"/observing UD key named "com.apple.configuration.managed" which is responsible for reading provided MDM external plist. I checked that on the opened app it is possible to provide that plist, and app read this payload correctly.
My problem is to observing that change, when plist is uploading. Requirement is to support iOS 13, this is why I can't use AppStorage.
Despite using some similar solutions like:
someone own implementation of AppStorage,
and using StackOverflow solutions like this,
it still doesn't work.
My, I feel, the closest one solution was:
@objc dynamic var mdmConfiguration: Dictionary<String, String> {
get { (dictionary(forKey: MDM.ConfigurationPayloadKey) != nil) ? dictionary(forKey: MDM.ConfigurationPayloadKey)! as! Dictionary<String, String> : Dictionary<String, String>() }
set { setValue(newValue, forKey: MDM.ConfigurationPayloadKey)}
}
}
class MDMConfiguration: ObservableObject {
//@Binding private var bindedValue: Bool
@Published var configuration: Dictionary = UserDefaults.standard.mdmConfiguration {
didSet {
UserDefaults.standard.mdmConfiguration = configuration
// bindedValue.toggle()
}
}
private var cancelable: AnyCancellable?
init() {
// init(toggle: Binding<Bool>) {
//_bindedValue = toggle
cancelable = UserDefaults.standard.publisher(for: \.mdmConfiguration)
.sink(receiveValue: { [weak self] newValue in
guard let self = self else { return }
if newValue != self.configuration { // avoid cycling !!
self.configuration = newValue
}
})
}
}
struct ContentView: View {
@State private var isConfigurationAvailable: Bool = false
@State private var showLoadingIndicator: Bool = true
@ObservedObject var configuration = MDMConfiguration()
var body: some View {
GeometryReader { geometry in
let width = geometry.size.width
let height = geometry.size.height
VStack {
Text("CONTENT -> \(configuration.configuration.debugDescription)").padding()
Spacer()
if !configuration.configuration.isEmpty {
Text("AVAILABLE").padding()
} else {
Text("NIL NULL ZERO EMPTY")
.padding()
}
}
}
}
}
But it still doesn't ensure any changes in view, when I manually click on f.e. button, which prints the configuration in the console when it has uploaded, it does it well.
Please help, my headache is reaching the zenith. I am a newbie in Swift development, maybe I did something weird and stupid. I hope so :D
Thank in advance!
Post not yet marked as solved
Hi there!
I'm working on using the .accessibilityRepresentation view modifier for a custom slider, and I'm having some unexpected behavior. When I run my app with VoiceOver and swipe over the custom slider view, it will only announce the adjustable trait on a fresh run of VoiceOver, otherwise the VoiceOver needs to be turned off and back on again to hear the adjustable trait announcement and use the adjustable a11y action.
The only way that I found to get the correct announcement is to leave out the label specified in the .accessibilityRepresentation closure. See below for reference...
.accessibilityRepresentation {
Slider(value: $value, in: 0...12, step: 1.0) {
// Text("Window Distance")
}
}
I should note that this workaround causes these issues:
the slider thumb control doesn't update its position when the a11y action is performed - I figure this is probably because we don't have anything specified in the label param of the a11y representation.
VoiceOver does not announce the new value when the a11y action is performed - I have to double tap it again to hear the announcement
If I uncomment the Text modifier, then the following happens:
the adjustable trait and action will either be completely unavailable OR I can adjust one time, then have to turn it off and back on again.
the .staticTrait is added
there is no .adjustable trait
Additional Information that may be relevant:
this is how I'm making the slider and where the a11y representation is being used:
GeometryReader { geometry in
ZStack(alignment: Alignment(horizontal: .leading, vertical: .center)) {
RoundedRectangle(cornerRadius: 20)
.frame(minHeight: 44)
.foregroundStyle(self.trackGradient)
.overlay(
RoundedRectangle(cornerRadius: 30)
.foregroundColor(.clear)
.shadow(color: .black, radius: 5)
.clipShape(RoundedRectangle(cornerRadius: 30))
)
HStack {
RoundedRectangle(cornerRadius: 50)
.frame(width: self.thumbSize.width, height: self.thumbSize.height)
.foregroundColor(.white)
.offset(x: lastOffset)
.shadow(radius: 8)
.gesture(
DragGesture(minimumDistance: 0.1)
.onChanged { value in
if value.location.x >= 0 && value.location.x <= geometry.size.width - self.thumbSize.width {
self.lastOffset = value.location.x
let sliderPosition = max(0 + self.leadingOffset, min(self.lastOffset + value.translation.width, geometry.size.width - self.trailingOffset))
let sliderValue = sliderPosition.map(from: self.leadingOffset...(geometry.size.width - self.trailingOffset), to: self.range)
self.value = sliderValue
}
}
)
}
}
.accessibilityRepresentation {
Slider(value: $value, in: 0...12, step: 1.0) {
// Text("Window Distance")
}
}
}
}
And finally, here's the view where the CustomSlider lives...
var body: some View {
VStack {
HStack(alignment: .center) {
Text("Window Distance")
.font(.body)
Spacer()
Text($value.wrappedValue == 0 ? "In window" : "\(Int($value.wrappedValue)) ft.")
}
// .accessibilityElement(children: .ignore)
// I've experimented with this .ignore trait so that once the a11yRepresentation is working correctly, we won't have redundant info
CustomSlider(value: $value)
// .accessibilityElement(children: .contain)
// I've tried also adding the .contain behavior here because I thought that maybe we'd want to ignore the texts and contain the custom slider view since it should have all the a11y info we need in the a11y representation
Spacer()
}
.padding(.vertical)
.padding(.bottom)
.padding(.bottom)
.accessibilityElement(children: .combine)
}
Has anyone had a similar issue before?
Thanks, everyone!
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Are there any relevant code examples to show how to use
TableColumnBuilder and TableRowBuilder ？Thank you.
Post not yet marked as solved
Using NSTableView in Cocoa framework, it is easy to implement drag and drop sorting of table headers (not row sorting). But I didn't find out how to use the Table component in SwiftUI.
Post not yet marked as solved
macOS Monterey introduced support for user-defined cursor colors (e.g., I can change my mouse pointer to have a yellow outline and a magenta fill to make it easier to see).
In a sample app, if I change the cursor to any of the built-in NSCursors everything works fine, but if I use my own cursor then none of the Accessibility colors get applied.
I couldn't find any documentation on how to create an NSCursor that honors the new user-defined cursor colors. I've tried both PDF and PNG cursor files (but I assume we need to use a vector-based format for the recoloring to work)
Would appreciate any guidance on how to get this to work, so our app can be more accessible and support the latest awesomeness in Monterey :)
Post not yet marked as solved
I have enabled the following swipe gesture and it works however with voiceover it doesnt respond and doesnt allow the user to go back with the two finger swipe from left to right
Heres the code that i have written so far -
import UIKit
import WebKit
class ViewController: UIViewController {
let webView: WKWebView = {
let prefs = WKWebpagePreferences()
prefs.allowsContentJavaScript = true
let configuration = WKWebViewConfiguration()
configuration.defaultWebpagePreferences = prefs
let webView = WKWebView(frame: .zero,
configuration: configuration)
return webView
}()
override func viewDidLoad() {
super.viewDidLoad()
view.addSubview(webView)
guard let url = URL(string: "https://sindhisystems.co.uk") else {
return
}
func goBack(_ sender: Any) {
webView.goBack()
}
webView.load(URLRequest(url: url))
webView.customUserAgent = "iPad/Chrome/SomethingRandom"
webView.allowsBackForwardNavigationGestures = true
DispatchQueue.main.asyncAfter(deadline: .now()+5) {
self.webView.evaluateJavaScript("document.body.innerHTML") { result, error in
guard let html = result as? String, error == nil else {
return
}
print(html)
}
}
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
webView.frame = view.bounds
}
}
