Interface Builder

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Build interfaces for applications without writing code using Interface Builder, an editor within Xcode.

Posts under Interface Builder tag

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My experience With IOS 26 Beta
Hello Apple Developers i am here write down my experience with the IOS 26 Beta first off i would like to say that i kind of do/don't like the new iquid glass UI/UIX Designs in some parrts of the ios like in m ust 3rd Party Apps like Uber Lyrith MJ Access Link Moblie app DoorDash VLC And Apple Music App just to name of few since i have installed the beta i have ran into a few bugs i have alread sent to the feeback app via iphone but i'm going to write them here as will i'm not looking for troubleshoots or tech support i'm just shareing my experience with the apple community and the Apple Development/Enginer Team to fine tone for release Time please note that i am a user with Vision impairment so please by respect to me due to my writteing issues and grammer and spelling so here i go my first bug that i ran into on the first day was when i was listening to some music trakcs in the apple muisc app when scrolling down or up fast the app will froze for mill secend then contiune as noraml my second bug that i ran into dureing music play was with my Crossfade settings not working on some tracks im not sure if this is due to BMP alignment or AI algorithm integration with in the software itseif but for me this takes me out of the listening experince that i have when i enjoy listening to music My suggestion Move the AutoMix and Crossfade Settings in to the Apple Music its seif and give the user more controll over how long or how short they want the crossfade or autmix to happen dureing the ending of each tracked play also for the cross fade option is set at 12 increase this to 30 secs or more if possiable or add an BPM options for the Automix to mix in the next track via BMP for simple of my rock track is at 148 BMP the next track should be pop or kpop or rap synceing up with that same BMP speed or similar at 148 BMP my next suggestion for the Apple Music App Shameless track mode (this mode to can be Incorporated) in to the Automix Featrue this redue some music tracks that ends abruptly some MP3 tracks added outside of the Apple Music App seems to broke dureing playback My 3rd bug that i ran in to with the Glass UI for controll Center like i stated before i am Vision impaired with the clear Glass over lapping the current UI for me this hard for me to tell what icons i am looking atside from the Voolum and Brightness Bars i am asking please make this more dark theme and make the icons brigher or add name undernearth the icons or Flip the Dark them or dan the current UI over lapping the Controlor center or add White colors with Black Arrows/icons for all Apple App that has this Glass UI in side of cause this is driving me nuts My 4th Bug that i ran into was with the lock screen/restart/reboot ohh girl where do i began with this one let's with the notifications i don't know who through it was a good idea to have a Clear Bright UI over lapping the Notifications this is very annoying via imessage Texting cause my custom wallpaper Blends in with a white background and this is Worst My suggestion for this is very simple darkering the background on the lock screen abit more so the text is more reader or increase the Notification bars (this is for users like myseif that use Dark mode) My 5th Bug involves my Back ups/Restore/Corrupated < is seif explanatory when i tryed to downgrand back to Version 18.5/18.6 nothing happened so please fix this or make it a bit more easyer for users to be able to back up/Retore their Devices now i has to wait until (Tomttow morning Friday) to factory reset my phone my conclusion since Beta Users and Developers and Engiers are Still testing please take look at my suggestion and try to bring not all but some of them in to public Release Thank You! Update i would like to Downgrad from IOS 26 Developer Beta back to IOS 18.5
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271
Jun ’25
New to macOS Development. How Do I Build a Timeline Editor UI Like Logic Pro?
Hi everyone, I’m new to macOS development and working on an app idea that needs a timeline-based editor interface, similar to what you see in Logic Pro or Final Cut. The UI I want to build would have: A horizontal beat ruler that follows BPM and shows beat positions Several vertical tracks stacked below it (for things like events or markers) Horizontal zooming and scrolling A preview panel on the right side that stays in sync with the timeline I’m currently trying this in SwiftUI, but I’m running into some limitations and wondering if AppKit would be a better fit, or maybe a hybrid of the two. My questions: Where should I start when building something like this? What’s the best way to make the beat ruler and all track layers scroll together? How should I handle zooming in/out and syncing the display to a BPM timeline? Is there a clean way to integrate AppKit for the timeline view while keeping SwiftUI elsewhere?
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Jun ’25
Custom Views in Picture-in-Picture Disappear When Starting Video Call in Another App on iOS 18
Hi Apple Developer Team, I'm encountering a regression in iOS 18 related to the Picture-in-Picture (PiP) feature when using custom views. In previous versions of iOS (up to iOS 17), it's possible to show a custom UIView inside the PiP window — for example, a UILabel, UITableView, or other standard UI elements. This works well even when switching between apps. However, in iOS 18 (tested on the developer beta), there's an issue: If App A starts PiP mode and displays a custom view, and then the user switches to App B and starts a video call (e.g., using FaceTime or another VoIP app), all the custom views in the PiP window suddenly disappear. The PiP window itself remains, but its contents are empty. This behavior did not occur in earlier iOS versions. Steps to reproduce: In App A, start Picture-in-Picture with a custom UIView added to the PiP window. Switch to App B and initiate a video call (e.g., FaceTime). Observe the PiP window — the custom view is no longer visible. This issue breaks UI functionality that previously worked and may impact apps that rely on interactive or dynamic content in PiP. Is this a known issue in iOS 18, or is this behavior change intentional? Any suggested workarounds or updates? Thanks in advance for your support.
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211
Jul ’25
ViewModel Scene's not rendering properly
Hi All, I'm new to IOS development/Xcode and would appreciate any/all advice/guidance on this unexplainable issue. Please excuse my potential usage of wrong terms. I have a project that was handed to me in a near completed state and there is a UI bug in the program that I am trying to fix. It is opening multiple instances of a View Controller Scene in the wrong dimensions, causing instanced layers that act independently of each other rather than a simple "page re-routing" like regular front end development. Upon investigating the codebase I have noticed the following potential source: The storyboard was originally modeled after an IPhone 16 Pro Max, however the main device we will be creating the app for is an iPad 11 mini. Upon changing the simulated device, the view models for most of my XXXViewControllerScenes are not rendering the correct size. Here are some examples: Image1 ) When selecting the RootNavController (scene 1) > all storyboard scenes render the correct size (at least thats what it visually looks like). When clicking on the "Type Select View Controller" or the View within the "Type Select View Controller Scene" (scene 2) the view models remain the correct size. Image2) However when clicking into the View for "Order Start View Controller Scene" - this causes the View and SafeArea renders for all scenes(except the RootNav)to shrink and not be the correct size equal to the simulated device: This also persists, where previosly my Scene 2 which was the correct size, is now the incorrect size no matter what I do. The only way I have found to work around this is to re-select my RootNavController to render all scenes the proper size, then individually click the components I'm trying to edit in the Document Outline panel and tweak them manually on the Attribute Editor. Not to mention this makes setting constraints extremely hard as the elements render "off screen" What I have checked so far: Ensure all my ViewControllerScene's Attribute Editor > Simulated Metric > Size = Inferred Unchecked "Use Preferred Explicit Size" for all ViewControllerScene's Attribute Editor > Simulated Metric > Content Size - 1 thing to note here is some of them have a set size of 744x1133 (when they render the full size) but it changes to 580x640 (when it shrinks) even though the option is UNCHECKED? Circling back to the UI Bug in my app, when I segue to the next Scene, the pages end up loading in the shrinked dimension. Please help me identify what is causing this issue and how to fix it or refer me to some guides that can assist.
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Aug ’25
Xcode 26 / iOS 26 - XIB incorrectly references "HiraginoKakuGothic.ttc" causing build warnings
Hello, I'm encountering a persistent issue when building my project with Xcode 26 and iOS 26. The console shows errors related to font file references that don't actually exist in my project. GSFont: file doesn't exist - "file:///private/var/containers/Bundle/Application/...../HiraginoKakuGothic.ttc" After investigation, I found that the issue originates from XIB files incorrectly referencing HiraginoKakuGothic.ttc: <customFonts key="customFonts"> <array key="HiraginoKakuGothic.ttc"> <string>HiraginoSans-W3</string> </array> </customFonts> The problem appears to be triggered when setting UILabel fonts to "ヒラギノ角ゴシック W3 16.0" in Interface Builder, which causes the XIB to reference HiraginoKakuGothic.ttc. Interestingly, when I create a new project and use the same fonts ("ヒラギノ角ゴシック W3 16.0"), it does NOT automatically reference HiraginoKakuGothic.ttc. Here's what I've tried: ①Changed both UILabels' fonts to system font ②Verified in XIB Source Code that the .ttc references were gone ③Cleaned Build Folder ④Cleared DerivedData ⑤Restarted Xcode ⑥Set the labels back to "ヒラギノ角ゴシック W3 16.0" ⑦Checked XIB Source Code again - the non-existent .ttc references reappeared Even if I manually remove the customFonts references from the source code, they get regenerated as soon as I make any font changes in Interface Builder. I've also noticed that Xcode 16.1 has the same underlying issue, though it doesn't produce the console errors that Xcode 26 does. This seems to be a long-standing XIB issue, possibly related to reference caching. While new projects aren't affected, existing projects continue to maintain these incorrect references. My questions: How can I permanently resolve this issue in my existing project? What's the potential impact of these incorrect font references? Is there a way to clean up these cached references without affecting the rest of the project? Any insights or workarounds would be greatly appreciated. Thank you.
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300
Nov ’25
Are there workarounds for these bugs in Xcode?
Are there workarounds for the following bugs in Xcode 16.3? I'm looking for workarounds instead of trying newer versions of Xcode because, from what I read, the Xcode release notes do not mention these issues being fixed. First bug: Resizing a NSSplitView in the UI Editor is buggy. When you try to use the divider, it just does not work as expected. In the case of a vertical split, the bottom view gets shrunk whatever you try to do. Second bug: When you type: (IBAction) in the source editor, you get the following buggy template (extra ')' on the right): - (IBAction)<#selector#>:(id)sender)
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Feb ’26
The Nightmare of Small Toolbar Icons
When building in Xcode on MacOS Tahoe, it seems it is no longer possible to dynamically specify a "small" size toolbar for NSToolbar/NSToolbarItem. It works in MacOS code compiled and linked on earlier systems. I don't want to use "SFSymbol", or "templates". I have over 60 custom-made .png toolbars, in individual Image Set files, at the previous requisite sizes of 24x24 / 48x48, and 32x32 / 64x64. Sure -- I can configure an NSToolbar with whatever size .png assets I want. I just can't dynamically switch between the two groups of sizes. According to the Apple Coding Assistant, the only solution is to change the image names of each of the NSToolbarItems at runtime. OK -- but even when attempting that, the NSToolbarItems refuse to take on their smaller size... ...unless: they are attached to a custom view NSToolbarItem with an NSButton of style "Bevel". I have about 10 of those, and YES -- I CAN change those to a "small" size. Is this REALLY what I'm forced to do?! The Apple Coding Assistant just runs me around in circles, making coding suggestions that include properties that don't exists. I've gone around and around on these issues for over a week -- it can't be this hard, right? Is there no way to make multiple NSToolbar objects, one for "large" and one for "small"?
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Feb ’26
Building a 4-agent autonomous coding pipeline on Apple Silicon — MLX backend questions
Hi, I'm building ANF (Autonomous Native Forge) — a cloud-free, 4-agent autonomous software production pipeline running on local hardware with local LLM inference. No middleware, pure Node.js native. Currently running on NVIDIA Blackwell GB10 with vLLM + DeepSeek-R1-32B. Now porting to Apple Silicon. Three technical questions: How production-ready is mlx-lm's OpenAI-compatible API server for long context generation (32K tokens)? What's the recommended approach for KV Cache management with Unified Memory architecture — any specific flags or configurations for M4 Ultra? MLX vs GGUF (llama.cpp) for a multi-agent pipeline where 4 agents call the inference endpoint concurrently — which handles parallel requests better on Apple Silicon? GitHub: github.com/trgysvc/AutonomousNativeForge Any guidance appreciated.
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Interface Builder - Xcode 26.4 - Changing Between Attributes Inspector, File Inspector, Etc. Is Now A Pop Up Button?
In Interface Builder there use to be a segmented control to switch Inspectors. It's been this way forever. I could switch from: File Inspector Attributes Inspector Size Inspector Etc... Now in Xcode 26.4, it is this clunky pop up button? What? I thought Apple didn't like Interface Builder anymore so I'm surprised they are even touching it. This part of a SwiftUI rewrite or just bad vibes?
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12h
Does adding a bar button item to the navigation bar programmatically when offering scene support differ from the old app delegate approach
I have used the following code for years to add a right bar button item to the navigation bar, but for some unknown reason, this no longer works. It stopped working when I updated my app to have Scene support. I don't understand what is preventing this code from working. @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"viewDidLoad"); // Add a Share Button UIBarButtonItem *shareButton; shareButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(editProject:)]; self.navigationItem.rightBarButtonItem = shareButton; self.navigationItem.rightBarButtonItem.tintColor = [UIColor blueColor]; } -(void) editProject:(id)sender { } @end To test this, I created a brand new test app that does nothing except for attempting to add this button. The autogenerated code gives you the following project and I simply modified the ViewController class as shown above: What do I need to do differently to make the right bar button item to display? I know that I can add buttons using the storyboard that can be controlled via IBOutlets, but just want to know if its still possible to do this programmatically.
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May ’25
Apple Music iOS 26 features in Android
Since many users like me use Apple Music on Android, the app is almost as feature-rich as iOS. It would be fantastic if the developers could add the new iOS 26 features to the Android app, along with a minor UI change. I know it’s challenging to implement liquid glass on Android hardware or design, but features like auto-mix, pronunciation, and translation could be added. kindly consider this request !!!!
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Jul ’25
Trying to get UIBarButtonItem custom view to change color within iOS 26 Liquid Glass like native UIBarButtonItem
One of the bar button items of my bottom toolbar needs to be a custom view., and I’m trying hard to get it to behave like the proper bar button items when it comes to Liquid Glass and matching the appearance of all the other bar button items on my toolbar. I’ve tried many variations of embedding custom views within visual effect views, and this comes closest. I inited a UIBarButtonItem with a custom UIView like you’re supposed to, and then I placed a UIVisualEffectView with Vibrancy within that, so that I could place a UIImageView inside it and the UIImageView would respect the adaptive color changing that comes with being within a Liquid Glass bar button item. I’ve made sure that the UIImageView is using an SF Symbol and a rendering mode of .alwaysTemplate, and that the .tintColor is set to .label, to ensure that I’m not overriding any Liquid Glass rendering. Below, you can see the bar button item with my custom view on the left, and a native Bar Button Item with the same SF symbol on the right, in several scenarios. It gets part of the way there there: against light backgrounds the image view turns black like it should. But against darker backgrounds, instead of turning white, the symbol has an additional vibrancy that comes close to the right white look against certain grays, but then is obviously too translucent against black. The symbol is still visible/experiencing some vibrancy, so I assume it might be some configuration of the UIImageView within the Vibrancy that can correct the behavior to match the images in the native bar button items in all conditions. Anyone got thoughts on what the missing piece might be?
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Aug ’25
Xcode 26 / iOS 26 UISegmentedControl returns to index 0 incorrectly
I'm trying to update one of my apps to the new Liquid Glass effects using Xcode 26. Came across a weird issue in that I reproduced in an empty project on its own with a storyboard with a single segmented control on the initial viewController I have a UISegmentedControl with 3 options. If I click index 2, while index 0 is selected, everything works as normal However if I select index 1, and then index 2, it jumps back to index 0 instead of selecting 2. All the events fire as though I tapped index 0
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Jul ’25
Xcode 26 XIB ignores difference between NSView frame and alignment rectangles
In the last three betas of Xcode 26, opening XIB files that rely on the older struts-and-springs setup (rather than Auto Layout) has exposed a new problem: Xcode 26 ignore the difference between a view’s frame and alignment rectangle. If you had arranged views using their frame rectangle (the default for the old method) this causes two problems: All UI widgets are both larger and no longer aligned. Switching between frame and alignment rectangles while configuring any NSView (through the inspector setting) has no effect. Is anyone else seeing this? It’s one thing to convert a few smaller views to Auto-layout (its reliance on alignment rectangles makes it immune to the "death" of frame rectangle-based layout) it is a rather different task to re-layout thousands of UI widgets as a result of this one bug. Filed as FB18835363
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Jul ’25
Xcode 26 Beta 5 XIB Compiler outputs NIBs with dependency on class that isn't available pre-macOS 26
When Xcode 26 Beta 5 compiles my XIBs into NIBs, it spits out a dependency on a class that isn't available pre-macOS 26, named _TtCC6AppKit14NSScrollPocketP33_EC3F85FAB7755D56E669206D2B17725B12BackdropView. All XIBs have a deployment target of macOS 12, so in theory this should be avoided. Even if this is a new (internal) class to macOS 26, the dependency is a problem when the developer is asking to deploy to prior versions. Has anyone else run into this regression? What could possibly be causing the XIB compiler to inject this dependency? The resulting NIBs don't load on anything prior to macOS 26.
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Aug ’25
Attribute Inspector
Maybe it's just me but I can't find the attribute inspector anywhere. I have clicked, searched and tried everything I can think of. I love the new Xcode, but this has me dumbfounded.
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3
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365
Activity
Jun ’25
My experience With IOS 26 Beta
Hello Apple Developers i am here write down my experience with the IOS 26 Beta first off i would like to say that i kind of do/don't like the new iquid glass UI/UIX Designs in some parrts of the ios like in m ust 3rd Party Apps like Uber Lyrith MJ Access Link Moblie app DoorDash VLC And Apple Music App just to name of few since i have installed the beta i have ran into a few bugs i have alread sent to the feeback app via iphone but i'm going to write them here as will i'm not looking for troubleshoots or tech support i'm just shareing my experience with the apple community and the Apple Development/Enginer Team to fine tone for release Time please note that i am a user with Vision impairment so please by respect to me due to my writteing issues and grammer and spelling so here i go my first bug that i ran into on the first day was when i was listening to some music trakcs in the apple muisc app when scrolling down or up fast the app will froze for mill secend then contiune as noraml my second bug that i ran into dureing music play was with my Crossfade settings not working on some tracks im not sure if this is due to BMP alignment or AI algorithm integration with in the software itseif but for me this takes me out of the listening experince that i have when i enjoy listening to music My suggestion Move the AutoMix and Crossfade Settings in to the Apple Music its seif and give the user more controll over how long or how short they want the crossfade or autmix to happen dureing the ending of each tracked play also for the cross fade option is set at 12 increase this to 30 secs or more if possiable or add an BPM options for the Automix to mix in the next track via BMP for simple of my rock track is at 148 BMP the next track should be pop or kpop or rap synceing up with that same BMP speed or similar at 148 BMP my next suggestion for the Apple Music App Shameless track mode (this mode to can be Incorporated) in to the Automix Featrue this redue some music tracks that ends abruptly some MP3 tracks added outside of the Apple Music App seems to broke dureing playback My 3rd bug that i ran in to with the Glass UI for controll Center like i stated before i am Vision impaired with the clear Glass over lapping the current UI for me this hard for me to tell what icons i am looking atside from the Voolum and Brightness Bars i am asking please make this more dark theme and make the icons brigher or add name undernearth the icons or Flip the Dark them or dan the current UI over lapping the Controlor center or add White colors with Black Arrows/icons for all Apple App that has this Glass UI in side of cause this is driving me nuts My 4th Bug that i ran into was with the lock screen/restart/reboot ohh girl where do i began with this one let's with the notifications i don't know who through it was a good idea to have a Clear Bright UI over lapping the Notifications this is very annoying via imessage Texting cause my custom wallpaper Blends in with a white background and this is Worst My suggestion for this is very simple darkering the background on the lock screen abit more so the text is more reader or increase the Notification bars (this is for users like myseif that use Dark mode) My 5th Bug involves my Back ups/Restore/Corrupated < is seif explanatory when i tryed to downgrand back to Version 18.5/18.6 nothing happened so please fix this or make it a bit more easyer for users to be able to back up/Retore their Devices now i has to wait until (Tomttow morning Friday) to factory reset my phone my conclusion since Beta Users and Developers and Engiers are Still testing please take look at my suggestion and try to bring not all but some of them in to public Release Thank You! Update i would like to Downgrad from IOS 26 Developer Beta back to IOS 18.5
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271
Activity
Jun ’25
New to macOS Development. How Do I Build a Timeline Editor UI Like Logic Pro?
Hi everyone, I’m new to macOS development and working on an app idea that needs a timeline-based editor interface, similar to what you see in Logic Pro or Final Cut. The UI I want to build would have: A horizontal beat ruler that follows BPM and shows beat positions Several vertical tracks stacked below it (for things like events or markers) Horizontal zooming and scrolling A preview panel on the right side that stays in sync with the timeline I’m currently trying this in SwiftUI, but I’m running into some limitations and wondering if AppKit would be a better fit, or maybe a hybrid of the two. My questions: Where should I start when building something like this? What’s the best way to make the beat ruler and all track layers scroll together? How should I handle zooming in/out and syncing the display to a BPM timeline? Is there a clean way to integrate AppKit for the timeline view while keeping SwiftUI elsewhere?
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1
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155
Activity
Jun ’25
Custom Views in Picture-in-Picture Disappear When Starting Video Call in Another App on iOS 18
Hi Apple Developer Team, I'm encountering a regression in iOS 18 related to the Picture-in-Picture (PiP) feature when using custom views. In previous versions of iOS (up to iOS 17), it's possible to show a custom UIView inside the PiP window — for example, a UILabel, UITableView, or other standard UI elements. This works well even when switching between apps. However, in iOS 18 (tested on the developer beta), there's an issue: If App A starts PiP mode and displays a custom view, and then the user switches to App B and starts a video call (e.g., using FaceTime or another VoIP app), all the custom views in the PiP window suddenly disappear. The PiP window itself remains, but its contents are empty. This behavior did not occur in earlier iOS versions. Steps to reproduce: In App A, start Picture-in-Picture with a custom UIView added to the PiP window. Switch to App B and initiate a video call (e.g., FaceTime). Observe the PiP window — the custom view is no longer visible. This issue breaks UI functionality that previously worked and may impact apps that rely on interactive or dynamic content in PiP. Is this a known issue in iOS 18, or is this behavior change intentional? Any suggested workarounds or updates? Thanks in advance for your support.
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1
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211
Activity
Jul ’25
Add icons to non standard menu items in storyboard
I have a macOS app running on macOS 14 and above. I have added some NSMenuItems to the main menu in the Storyboard. How do I add icons to these menu items so that they appear only in macOS 26?
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0
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343
Activity
Jul ’25
ViewModel Scene's not rendering properly
Hi All, I'm new to IOS development/Xcode and would appreciate any/all advice/guidance on this unexplainable issue. Please excuse my potential usage of wrong terms. I have a project that was handed to me in a near completed state and there is a UI bug in the program that I am trying to fix. It is opening multiple instances of a View Controller Scene in the wrong dimensions, causing instanced layers that act independently of each other rather than a simple "page re-routing" like regular front end development. Upon investigating the codebase I have noticed the following potential source: The storyboard was originally modeled after an IPhone 16 Pro Max, however the main device we will be creating the app for is an iPad 11 mini. Upon changing the simulated device, the view models for most of my XXXViewControllerScenes are not rendering the correct size. Here are some examples: Image1 ) When selecting the RootNavController (scene 1) > all storyboard scenes render the correct size (at least thats what it visually looks like). When clicking on the "Type Select View Controller" or the View within the "Type Select View Controller Scene" (scene 2) the view models remain the correct size. Image2) However when clicking into the View for "Order Start View Controller Scene" - this causes the View and SafeArea renders for all scenes(except the RootNav)to shrink and not be the correct size equal to the simulated device: This also persists, where previosly my Scene 2 which was the correct size, is now the incorrect size no matter what I do. The only way I have found to work around this is to re-select my RootNavController to render all scenes the proper size, then individually click the components I'm trying to edit in the Document Outline panel and tweak them manually on the Attribute Editor. Not to mention this makes setting constraints extremely hard as the elements render "off screen" What I have checked so far: Ensure all my ViewControllerScene's Attribute Editor > Simulated Metric > Size = Inferred Unchecked "Use Preferred Explicit Size" for all ViewControllerScene's Attribute Editor > Simulated Metric > Content Size - 1 thing to note here is some of them have a set size of 744x1133 (when they render the full size) but it changes to 580x640 (when it shrinks) even though the option is UNCHECKED? Circling back to the UI Bug in my app, when I segue to the next Scene, the pages end up loading in the shrinked dimension. Please help me identify what is causing this issue and how to fix it or refer me to some guides that can assist.
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1
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0
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177
Activity
Aug ’25
Xcode 26 / iOS 26 - XIB incorrectly references "HiraginoKakuGothic.ttc" causing build warnings
Hello, I'm encountering a persistent issue when building my project with Xcode 26 and iOS 26. The console shows errors related to font file references that don't actually exist in my project. GSFont: file doesn't exist - "file:///private/var/containers/Bundle/Application/...../HiraginoKakuGothic.ttc" After investigation, I found that the issue originates from XIB files incorrectly referencing HiraginoKakuGothic.ttc: <customFonts key="customFonts"> <array key="HiraginoKakuGothic.ttc"> <string>HiraginoSans-W3</string> </array> </customFonts> The problem appears to be triggered when setting UILabel fonts to "ヒラギノ角ゴシック W3 16.0" in Interface Builder, which causes the XIB to reference HiraginoKakuGothic.ttc. Interestingly, when I create a new project and use the same fonts ("ヒラギノ角ゴシック W3 16.0"), it does NOT automatically reference HiraginoKakuGothic.ttc. Here's what I've tried: ①Changed both UILabels' fonts to system font ②Verified in XIB Source Code that the .ttc references were gone ③Cleaned Build Folder ④Cleared DerivedData ⑤Restarted Xcode ⑥Set the labels back to "ヒラギノ角ゴシック W3 16.0" ⑦Checked XIB Source Code again - the non-existent .ttc references reappeared Even if I manually remove the customFonts references from the source code, they get regenerated as soon as I make any font changes in Interface Builder. I've also noticed that Xcode 16.1 has the same underlying issue, though it doesn't produce the console errors that Xcode 26 does. This seems to be a long-standing XIB issue, possibly related to reference caching. While new projects aren't affected, existing projects continue to maintain these incorrect references. My questions: How can I permanently resolve this issue in my existing project? What's the potential impact of these incorrect font references? Is there a way to clean up these cached references without affecting the rest of the project? Any insights or workarounds would be greatly appreciated. Thank you.
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0
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300
Activity
Nov ’25
Looking to test apps on TestFlight
I would love to partake in beta testing and reporting issues and bugs! Let me know what you got
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0
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132
Activity
Dec ’25
Seeing resources from another app in same Xcode project
I have a Xcode project with two apps that have a separate MainMenu.nib file. Both are different apps with different source trees.. Why am I seeing resources in interface builder from one app in another? I am a bit old school and using the AppDelegate rather than view controllers to capture events... but that should work fine Thanks ahead of time.
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7
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130
Activity
Feb ’26
Are there workarounds for these bugs in Xcode?
Are there workarounds for the following bugs in Xcode 16.3? I'm looking for workarounds instead of trying newer versions of Xcode because, from what I read, the Xcode release notes do not mention these issues being fixed. First bug: Resizing a NSSplitView in the UI Editor is buggy. When you try to use the divider, it just does not work as expected. In the case of a vertical split, the bottom view gets shrunk whatever you try to do. Second bug: When you type: (IBAction) in the source editor, you get the following buggy template (extra ')' on the right): - (IBAction)<#selector#>:(id)sender)
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3
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0
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109
Activity
Feb ’26
The Nightmare of Small Toolbar Icons
When building in Xcode on MacOS Tahoe, it seems it is no longer possible to dynamically specify a "small" size toolbar for NSToolbar/NSToolbarItem. It works in MacOS code compiled and linked on earlier systems. I don't want to use "SFSymbol", or "templates". I have over 60 custom-made .png toolbars, in individual Image Set files, at the previous requisite sizes of 24x24 / 48x48, and 32x32 / 64x64. Sure -- I can configure an NSToolbar with whatever size .png assets I want. I just can't dynamically switch between the two groups of sizes. According to the Apple Coding Assistant, the only solution is to change the image names of each of the NSToolbarItems at runtime. OK -- but even when attempting that, the NSToolbarItems refuse to take on their smaller size... ...unless: they are attached to a custom view NSToolbarItem with an NSButton of style "Bevel". I have about 10 of those, and YES -- I CAN change those to a "small" size. Is this REALLY what I'm forced to do?! The Apple Coding Assistant just runs me around in circles, making coding suggestions that include properties that don't exists. I've gone around and around on these issues for over a week -- it can't be this hard, right? Is there no way to make multiple NSToolbar objects, one for "large" and one for "small"?
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1
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0
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205
Activity
Feb ’26
Building a 4-agent autonomous coding pipeline on Apple Silicon — MLX backend questions
Hi, I'm building ANF (Autonomous Native Forge) — a cloud-free, 4-agent autonomous software production pipeline running on local hardware with local LLM inference. No middleware, pure Node.js native. Currently running on NVIDIA Blackwell GB10 with vLLM + DeepSeek-R1-32B. Now porting to Apple Silicon. Three technical questions: How production-ready is mlx-lm's OpenAI-compatible API server for long context generation (32K tokens)? What's the recommended approach for KV Cache management with Unified Memory architecture — any specific flags or configurations for M4 Ultra? MLX vs GGUF (llama.cpp) for a multi-agent pipeline where 4 agents call the inference endpoint concurrently — which handles parallel requests better on Apple Silicon? GitHub: github.com/trgysvc/AutonomousNativeForge Any guidance appreciated.
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0
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246
Activity
2w
Interface Builder - Xcode 26.4 - Changing Between Attributes Inspector, File Inspector, Etc. Is Now A Pop Up Button?
In Interface Builder there use to be a segmented control to switch Inspectors. It's been this way forever. I could switch from: File Inspector Attributes Inspector Size Inspector Etc... Now in Xcode 26.4, it is this clunky pop up button? What? I thought Apple didn't like Interface Builder anymore so I'm surprised they are even touching it. This part of a SwiftUI rewrite or just bad vibes?
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0
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15
Activity
12h
Does adding a bar button item to the navigation bar programmatically when offering scene support differ from the old app delegate approach
I have used the following code for years to add a right bar button item to the navigation bar, but for some unknown reason, this no longer works. It stopped working when I updated my app to have Scene support. I don't understand what is preventing this code from working. @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"viewDidLoad"); // Add a Share Button UIBarButtonItem *shareButton; shareButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(editProject:)]; self.navigationItem.rightBarButtonItem = shareButton; self.navigationItem.rightBarButtonItem.tintColor = [UIColor blueColor]; } -(void) editProject:(id)sender { } @end To test this, I created a brand new test app that does nothing except for attempting to add this button. The autogenerated code gives you the following project and I simply modified the ViewController class as shown above: What do I need to do differently to make the right bar button item to display? I know that I can add buttons using the storyboard that can be controlled via IBOutlets, but just want to know if its still possible to do this programmatically.
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3
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0
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155
Activity
May ’25
Show Library Button in Interface Builder is Missing?
I noticed that the "Show Library" button in interface builder is missing. How do we add view elements? Is there a new feature I'm not aware of?
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3
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0
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307
Activity
Jul ’25
Apple Music iOS 26 features in Android
Since many users like me use Apple Music on Android, the app is almost as feature-rich as iOS. It would be fantastic if the developers could add the new iOS 26 features to the Android app, along with a minor UI change. I know it’s challenging to implement liquid glass on Android hardware or design, but features like auto-mix, pronunciation, and translation could be added. kindly consider this request !!!!
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1
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222
Activity
Jul ’25
Trying to get UIBarButtonItem custom view to change color within iOS 26 Liquid Glass like native UIBarButtonItem
One of the bar button items of my bottom toolbar needs to be a custom view., and I’m trying hard to get it to behave like the proper bar button items when it comes to Liquid Glass and matching the appearance of all the other bar button items on my toolbar. I’ve tried many variations of embedding custom views within visual effect views, and this comes closest. I inited a UIBarButtonItem with a custom UIView like you’re supposed to, and then I placed a UIVisualEffectView with Vibrancy within that, so that I could place a UIImageView inside it and the UIImageView would respect the adaptive color changing that comes with being within a Liquid Glass bar button item. I’ve made sure that the UIImageView is using an SF Symbol and a rendering mode of .alwaysTemplate, and that the .tintColor is set to .label, to ensure that I’m not overriding any Liquid Glass rendering. Below, you can see the bar button item with my custom view on the left, and a native Bar Button Item with the same SF symbol on the right, in several scenarios. It gets part of the way there there: against light backgrounds the image view turns black like it should. But against darker backgrounds, instead of turning white, the symbol has an additional vibrancy that comes close to the right white look against certain grays, but then is obviously too translucent against black. The symbol is still visible/experiencing some vibrancy, so I assume it might be some configuration of the UIImageView within the Vibrancy that can correct the behavior to match the images in the native bar button items in all conditions. Anyone got thoughts on what the missing piece might be?
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4
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726
Activity
Aug ’25
Xcode 26 / iOS 26 UISegmentedControl returns to index 0 incorrectly
I'm trying to update one of my apps to the new Liquid Glass effects using Xcode 26. Came across a weird issue in that I reproduced in an empty project on its own with a storyboard with a single segmented control on the initial viewController I have a UISegmentedControl with 3 options. If I click index 2, while index 0 is selected, everything works as normal However if I select index 1, and then index 2, it jumps back to index 0 instead of selecting 2. All the events fire as though I tapped index 0
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2
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1
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450
Activity
Jul ’25
Xcode 26 XIB ignores difference between NSView frame and alignment rectangles
In the last three betas of Xcode 26, opening XIB files that rely on the older struts-and-springs setup (rather than Auto Layout) has exposed a new problem: Xcode 26 ignore the difference between a view’s frame and alignment rectangle. If you had arranged views using their frame rectangle (the default for the old method) this causes two problems: All UI widgets are both larger and no longer aligned. Switching between frame and alignment rectangles while configuring any NSView (through the inspector setting) has no effect. Is anyone else seeing this? It’s one thing to convert a few smaller views to Auto-layout (its reliance on alignment rectangles makes it immune to the "death" of frame rectangle-based layout) it is a rather different task to re-layout thousands of UI widgets as a result of this one bug. Filed as FB18835363
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4
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492
Activity
Jul ’25
Xcode 26 Beta 5 XIB Compiler outputs NIBs with dependency on class that isn't available pre-macOS 26
When Xcode 26 Beta 5 compiles my XIBs into NIBs, it spits out a dependency on a class that isn't available pre-macOS 26, named _TtCC6AppKit14NSScrollPocketP33_EC3F85FAB7755D56E669206D2B17725B12BackdropView. All XIBs have a deployment target of macOS 12, so in theory this should be avoided. Even if this is a new (internal) class to macOS 26, the dependency is a problem when the developer is asking to deploy to prior versions. Has anyone else run into this regression? What could possibly be causing the XIB compiler to inject this dependency? The resulting NIBs don't load on anything prior to macOS 26.
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13
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1
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370
Activity
Aug ’25