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Invalid absolute dimension: inf. The dimension must be a finite value
Hi I tried to use compositional layout, while using stage manager rare the app getting crashed. Please refer below error message Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid absolute dimension: inf. The dimension must be a finite value.' let itemSize = NSCollectionLayoutSize(widthDimension: .absolute(cellWidth),heightDimension: .absolute(cellHeight)) let item = NSCollectionLayoutItem(layoutSize: itemSize) let groupSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1), heightDimension: .absolute(cellHeight)) let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item]) group.interItemSpacing = NSCollectionLayoutSpacing.fixed(cellSpacing) let section = NSCollectionLayoutSection(group: group) section.contentInsets = NSDirectionalEdgeInsets(top: 10,leading: inset, bottom: 0,trailing:inset) section.interGroupSpacing = lineSpacing Why am I getting this error after providing exact height and width?
Topic: UI Frameworks SubTopic: UIKit Tags:
3
0
1.3k
Jul ’23
Best Way to Navigate to the Top Element Using VoiceOver
I’m currently focused on an element at the bottom of the screen. What is the proper way to quickly navigate to the top element? By default, there’s a four-finger single tap to move to the first element, but should I use the Rotor action instead to focus on the element I need? For example, in the Contacts app while adding a new contact, if I enter a value in a field at the bottom, there’s no quick way to directly save the contact. I have to manually navigate all the way to the top to tap the Done button, which feels a bit inconvenient. Is there a better way to handle this using VoiceOver?
2
0
543
Mar ’25
How to Ensure Data Privacy with VoiceOver Reading Sensitive Information?
VoiceOver reads out all visible content on the screen, which is essential for visually challenged users. However, this raises a privacy concern—what if a user accidentally focuses on sensitive information, like a bank account password, and it gets read aloud? How can developers prevent VoiceOver from exposing confidential data while still maintaining accessibility? Are there best practices or recommended approaches to handle such scenarios effectively?
1
0
540
Mar ’25
How to Enable Group Navigation Behavior for Custom Views in VoiceOver?
In VoiceOver, when using Group Navigation style, the cursor first focuses on the semantic group. To navigate inside the group, a two-finger swipe (left or right) can be used. This behavior works for default containers like the Navigation Bar, Tab Bar, and Tool Bar. How can I achieve the same behavior for a custom view? I tried setting accessibilityContainerType = .semanticGroup, but it only works for Mac Catalyst. Is there an equivalent approach for iOS?
0
0
512
Mar ’25
Unable to Add Accessibility Trait to UISegmentedControl
I’m trying to add the .header accessibility trait to a UISegmentedControl so that VoiceOver recognizes it accordingly. However, setting the trait using the following code doesn’t seem to have any effect: segmentControl.accessibilityTraits = segmentControl.accessibilityTraits.union(.header) Even after applying this, VoiceOver doesn’t announce it as a header. Is there any workaround or recommended approach to achieve this?
1
0
311
Mar ’25
VoiceOver Text Recognition Announcing Hidden Labels
I have a UIImageView as the background of a custom UIView subclass. The image itself does not contain any text. On top of this image view, I have added two UILabels. To improve accessibility, I converted the entire view into a single accessibility element and set a proper accessibilityLabel. Additionally, I disabled accessibility for the UIImageView and the labels by setting isAccessibilityElement = false. However, when VoiceOver's Accessibility Recognition's Text Recognition feature is enabled, VoiceOver still detects and announces the text inside the UILabels at the end after reading my custom accessibility properties. This text should not be announced. It seems that VoiceOver treats the UILabel content as part of the UIImageView. Additionally, when using the Explore Image rotor action, the entire subview is recognized as a single image. Is this the expected behavior? If so, is there a way to disable VoiceOver’s text recognition for this view while keeping custom accessibility intact? class BackgroundLabelView: UIView { private let backgroundImageView = UIImageView() private let backgroundImageView2 = UIImageView() private let titleLabel = UILabel() private let subtitleLabel = UILabel() override init(frame: CGRect) { super.init(frame: frame) setupView() } required init?(coder: NSCoder) { super.init(coder: coder) setupView() configureAceesibility() } private func configureAceesibility() { backgroundImageView.isAccessibilityElement = false backgroundImageView2.isAccessibilityElement = false titleLabel.isAccessibilityElement = false subtitleLabel.isAccessibilityElement = false isAccessibilityElement = true accessibilityTraits = .button } func configure(backgroundImage: UIImage?, title: String, subtitle: String) { backgroundImageView.image = backgroundImage titleLabel.text = title subtitleLabel.text = subtitle accessibilityLabel = "Holiday Offer ," + title + "," + subtitle } private func setupView() { backgroundImageView2.contentMode = .scaleAspectFill backgroundImageView2.clipsToBounds = true backgroundImageView2.translatesAutoresizingMaskIntoConstraints = false backgroundImageView2.image = UIImage(resource: .bannerfestival) addSubview(backgroundImageView2) backgroundImageView.contentMode = .scaleAspectFit backgroundImageView.clipsToBounds = true backgroundImageView.translatesAutoresizingMaskIntoConstraints = false addSubview(backgroundImageView) titleLabel.font = UIFont.systemFont(ofSize: 18, weight: .bold) titleLabel.textColor = .white titleLabel.translatesAutoresizingMaskIntoConstraints = false titleLabel.numberOfLines = 0 addSubview(titleLabel) subtitleLabel.font = UIFont.systemFont(ofSize: 14, weight: .regular) subtitleLabel.textColor = .white.withAlphaComponent(0.8) subtitleLabel.translatesAutoresizingMaskIntoConstraints = false subtitleLabel.numberOfLines = 0 addSubview(subtitleLabel) NSLayoutConstraint.activate([ backgroundImageView2.leadingAnchor.constraint(equalTo: leadingAnchor), backgroundImageView2.trailingAnchor.constraint(equalTo: trailingAnchor), backgroundImageView2.heightAnchor.constraint(equalToConstant: 200), backgroundImageView.centerYAnchor.constraint(equalTo: centerYAnchor), backgroundImageView.topAnchor.constraint(equalTo: topAnchor), backgroundImageView.leadingAnchor.constraint(greaterThanOrEqualTo: leadingAnchor), backgroundImageView.trailingAnchor.constraint(equalTo: trailingAnchor), backgroundImageView.bottomAnchor.constraint(equalTo: bottomAnchor), titleLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 16), titleLabel.trailingAnchor.constraint(lessThanOrEqualTo: centerXAnchor), titleLabel.bottomAnchor.constraint(equalTo: centerYAnchor, constant: -4), subtitleLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 16), subtitleLabel.trailingAnchor.constraint(lessThanOrEqualTo: centerXAnchor), subtitleLabel.topAnchor.constraint(equalTo: centerYAnchor, constant: 4) ]) } override func layoutSubviews() { super.layoutSubviews() backgroundImageView.layer.cornerRadius = layer.cornerRadius } }
2
0
185
Apr ’25
VoiceOver Not Scrolling to Focused TableView Cell
I have a view dynamically overlaid on a UITableView with proper padding (added when certain conditions are met). When VoiceOver focuses on a cell beneath this overlay, the focused element does not scroll into view. I’ve noticed similar behavior in Apple’s first-party Podcasts app. Please find the attached image for reference. How can I resolve this issue and ensure VoiceOver scrolls the focused cell into view?
1
0
282
Apr ’25
Handling VoiceOver Focus When Screen Changes (Push, Present, and SplitViewController)
I have some doubts about how VoiceOver handles focus when the screen updates. When a new UIViewController is pushed onto a UINavigationController or presented modally, how does VoiceOver decide which element to focus on? Is there a way to control or customize this behavior? In a UISplitViewController, when an item is selected in the primary view controller, the focus should shift to the relevant content in the secondary view controller. How can we ensure that VoiceOver correctly moves focus to the right element in the secondary panel?
0
0
201
Apr ’25
What is the appropriate accessibility trait for selectable UITableViewCell?
I’m trying to understand the best practice for assigning accessibilityTraits to a UITableViewCell that users can select from a list of options. In Apple’s first-party apps like Settings, I’ve noticed an inconsistent approach—some cells use the Button trait, while others simply announce the label along with the Selected trait when applicable, without any additional role like Button or Adjustable. So my question is: What is the most appropriate accessibility trait to use for a selectable table view cell that updates a selection (like a settings option)? Is using .button the right approach, or should we rely solely on .selected? Is there any user experience guideline from Apple that recommends one over the other? Would love to hear how others handle this for clarity and consistency in VoiceOver behavior.
1
0
228
Apr ’25
Invalid absolute dimension: inf. The dimension must be a finite value
Hi I tried to use compositional layout, while using stage manager rare the app getting crashed. Please refer below error message Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid absolute dimension: inf. The dimension must be a finite value.' let itemSize = NSCollectionLayoutSize(widthDimension: .absolute(cellWidth),heightDimension: .absolute(cellHeight)) let item = NSCollectionLayoutItem(layoutSize: itemSize) let groupSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1), heightDimension: .absolute(cellHeight)) let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item]) group.interItemSpacing = NSCollectionLayoutSpacing.fixed(cellSpacing) let section = NSCollectionLayoutSection(group: group) section.contentInsets = NSDirectionalEdgeInsets(top: 10,leading: inset, bottom: 0,trailing:inset) section.interGroupSpacing = lineSpacing Why am I getting this error after providing exact height and width?
Topic: UI Frameworks SubTopic: UIKit Tags:
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3
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0
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1.3k
Activity
Jul ’23
How to update live activity UI after performing LiveActivityIntent action
I tried to implement interaction to live activity.Since we don't have force update like in widget, how to update the UI (like remove or add View) After performing the intent action.
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0
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0
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854
Activity
Jul ’23
Accessing Live Activity enabled status from other targets
Is it possible to get enabled status of app's live activity through areActivitiesEnabled inside other targets (other than main target)? seems it always returns true.
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0
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0
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817
Activity
Jul ’23
iOS version check inside widget extension
I tried to add iOS 17 version check inside WidgetBundle but the widget extension keep on crashing . Getting Thread 1: Swift runtime failure: Unexpectedly found nil while unwrapping an Optional value. After removing the iOS 17 check it works fine. Is there any way to provide version check inside widgetBundle?
Replies
1
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0
Views
1k
Activity
Aug ’23
iOS 18 Beta - Not able to reorder tabs in Compact mode on iPad while using UITab
To enable editing in the elevated Tab Bar or sidebar on iPadOS, we need to use UITabBar. However, using UITabBar restricts reordering in compact mode with the bottom tab bar. Instead of showing the tabs, the editing view only displays the message 'Drag the icons to organize tabs.' How can we resolve this issue? Find demo project here
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0
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0
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622
Activity
Aug ’24
iOS 18 Beta - Proper error code is not given by TranslationError
All errors in TranslationError return the same error code, making it difficult to differentiate between them. How can this issue be resolved?
Replies
1
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0
Views
743
Activity
Sep ’24
Best Way to Navigate to the Top Element Using VoiceOver
I’m currently focused on an element at the bottom of the screen. What is the proper way to quickly navigate to the top element? By default, there’s a four-finger single tap to move to the first element, but should I use the Rotor action instead to focus on the element I need? For example, in the Contacts app while adding a new contact, if I enter a value in a field at the bottom, there’s no quick way to directly save the contact. I have to manually navigate all the way to the top to tap the Done button, which feels a bit inconvenient. Is there a better way to handle this using VoiceOver?
Replies
2
Boosts
0
Views
543
Activity
Mar ’25
How to Ensure Data Privacy with VoiceOver Reading Sensitive Information?
VoiceOver reads out all visible content on the screen, which is essential for visually challenged users. However, this raises a privacy concern—what if a user accidentally focuses on sensitive information, like a bank account password, and it gets read aloud? How can developers prevent VoiceOver from exposing confidential data while still maintaining accessibility? Are there best practices or recommended approaches to handle such scenarios effectively?
Replies
1
Boosts
0
Views
540
Activity
Mar ’25
How to Enable Group Navigation Behavior for Custom Views in VoiceOver?
In VoiceOver, when using Group Navigation style, the cursor first focuses on the semantic group. To navigate inside the group, a two-finger swipe (left or right) can be used. This behavior works for default containers like the Navigation Bar, Tab Bar, and Tool Bar. How can I achieve the same behavior for a custom view? I tried setting accessibilityContainerType = .semanticGroup, but it only works for Mac Catalyst. Is there an equivalent approach for iOS?
Replies
0
Boosts
0
Views
512
Activity
Mar ’25
Unable to Add Accessibility Trait to UISegmentedControl
I’m trying to add the .header accessibility trait to a UISegmentedControl so that VoiceOver recognizes it accordingly. However, setting the trait using the following code doesn’t seem to have any effect: segmentControl.accessibilityTraits = segmentControl.accessibilityTraits.union(.header) Even after applying this, VoiceOver doesn’t announce it as a header. Is there any workaround or recommended approach to achieve this?
Replies
1
Boosts
0
Views
311
Activity
Mar ’25
VoiceOver Text Recognition Announcing Hidden Labels
I have a UIImageView as the background of a custom UIView subclass. The image itself does not contain any text. On top of this image view, I have added two UILabels. To improve accessibility, I converted the entire view into a single accessibility element and set a proper accessibilityLabel. Additionally, I disabled accessibility for the UIImageView and the labels by setting isAccessibilityElement = false. However, when VoiceOver's Accessibility Recognition's Text Recognition feature is enabled, VoiceOver still detects and announces the text inside the UILabels at the end after reading my custom accessibility properties. This text should not be announced. It seems that VoiceOver treats the UILabel content as part of the UIImageView. Additionally, when using the Explore Image rotor action, the entire subview is recognized as a single image. Is this the expected behavior? If so, is there a way to disable VoiceOver’s text recognition for this view while keeping custom accessibility intact? class BackgroundLabelView: UIView { private let backgroundImageView = UIImageView() private let backgroundImageView2 = UIImageView() private let titleLabel = UILabel() private let subtitleLabel = UILabel() override init(frame: CGRect) { super.init(frame: frame) setupView() } required init?(coder: NSCoder) { super.init(coder: coder) setupView() configureAceesibility() } private func configureAceesibility() { backgroundImageView.isAccessibilityElement = false backgroundImageView2.isAccessibilityElement = false titleLabel.isAccessibilityElement = false subtitleLabel.isAccessibilityElement = false isAccessibilityElement = true accessibilityTraits = .button } func configure(backgroundImage: UIImage?, title: String, subtitle: String) { backgroundImageView.image = backgroundImage titleLabel.text = title subtitleLabel.text = subtitle accessibilityLabel = "Holiday Offer ," + title + "," + subtitle } private func setupView() { backgroundImageView2.contentMode = .scaleAspectFill backgroundImageView2.clipsToBounds = true backgroundImageView2.translatesAutoresizingMaskIntoConstraints = false backgroundImageView2.image = UIImage(resource: .bannerfestival) addSubview(backgroundImageView2) backgroundImageView.contentMode = .scaleAspectFit backgroundImageView.clipsToBounds = true backgroundImageView.translatesAutoresizingMaskIntoConstraints = false addSubview(backgroundImageView) titleLabel.font = UIFont.systemFont(ofSize: 18, weight: .bold) titleLabel.textColor = .white titleLabel.translatesAutoresizingMaskIntoConstraints = false titleLabel.numberOfLines = 0 addSubview(titleLabel) subtitleLabel.font = UIFont.systemFont(ofSize: 14, weight: .regular) subtitleLabel.textColor = .white.withAlphaComponent(0.8) subtitleLabel.translatesAutoresizingMaskIntoConstraints = false subtitleLabel.numberOfLines = 0 addSubview(subtitleLabel) NSLayoutConstraint.activate([ backgroundImageView2.leadingAnchor.constraint(equalTo: leadingAnchor), backgroundImageView2.trailingAnchor.constraint(equalTo: trailingAnchor), backgroundImageView2.heightAnchor.constraint(equalToConstant: 200), backgroundImageView.centerYAnchor.constraint(equalTo: centerYAnchor), backgroundImageView.topAnchor.constraint(equalTo: topAnchor), backgroundImageView.leadingAnchor.constraint(greaterThanOrEqualTo: leadingAnchor), backgroundImageView.trailingAnchor.constraint(equalTo: trailingAnchor), backgroundImageView.bottomAnchor.constraint(equalTo: bottomAnchor), titleLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 16), titleLabel.trailingAnchor.constraint(lessThanOrEqualTo: centerXAnchor), titleLabel.bottomAnchor.constraint(equalTo: centerYAnchor, constant: -4), subtitleLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 16), subtitleLabel.trailingAnchor.constraint(lessThanOrEqualTo: centerXAnchor), subtitleLabel.topAnchor.constraint(equalTo: centerYAnchor, constant: 4) ]) } override func layoutSubviews() { super.layoutSubviews() backgroundImageView.layer.cornerRadius = layer.cornerRadius } }
Replies
2
Boosts
0
Views
185
Activity
Apr ’25
VoiceOver Not Scrolling to Focused TableView Cell
I have a view dynamically overlaid on a UITableView with proper padding (added when certain conditions are met). When VoiceOver focuses on a cell beneath this overlay, the focused element does not scroll into view. I’ve noticed similar behavior in Apple’s first-party Podcasts app. Please find the attached image for reference. How can I resolve this issue and ensure VoiceOver scrolls the focused cell into view?
Replies
1
Boosts
0
Views
282
Activity
Apr ’25
Handling VoiceOver Focus When Screen Changes (Push, Present, and SplitViewController)
I have some doubts about how VoiceOver handles focus when the screen updates. When a new UIViewController is pushed onto a UINavigationController or presented modally, how does VoiceOver decide which element to focus on? Is there a way to control or customize this behavior? In a UISplitViewController, when an item is selected in the primary view controller, the focus should shift to the relevant content in the secondary view controller. How can we ensure that VoiceOver correctly moves focus to the right element in the secondary panel?
Replies
0
Boosts
0
Views
201
Activity
Apr ’25
What is the appropriate accessibility trait for selectable UITableViewCell?
I’m trying to understand the best practice for assigning accessibilityTraits to a UITableViewCell that users can select from a list of options. In Apple’s first-party apps like Settings, I’ve noticed an inconsistent approach—some cells use the Button trait, while others simply announce the label along with the Selected trait when applicable, without any additional role like Button or Adjustable. So my question is: What is the most appropriate accessibility trait to use for a selectable table view cell that updates a selection (like a settings option)? Is using .button the right approach, or should we rely solely on .selected? Is there any user experience guideline from Apple that recommends one over the other? Would love to hear how others handle this for clarity and consistency in VoiceOver behavior.
Replies
1
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0
Views
228
Activity
Apr ’25