In default "File" menu, it has "Open Recent >" Menu Item and it is added automatically. Currently, If user open associated file from Finder, This recent items are added autom...

I have macCatalyst app that recently gets some random crashes. Searched everywhere but without finding any good leads. My guess is that it's related to memory or too many views visible on the scree...

I've seen some Catalyst apps add a search bar to the NSToolbar and was wondering how I could do the same. Would I have to import AppKit/Cocoa to get an NSSearchField and the actual NSToolbar? Or is...

I'm migrating my iOS app to support MacCatalyst but I'd like to prevent the window from being resized by the user. Do you have any tips for that?

I have an XCode Project which contains an iPhone/iPad app which I successfully ported over to mac using Mac Catalyst. When I try to launch my unit tests (written with XCTest). I get the following e...

After converting my SwiftUI project to Catalyst I get this strange error message on the console: [API] cannot add handler to 3 from 3 - dropping This happens when a view is scrolled, even in rele...

I'm updating my iOS app to also work on Mac. After selecting the Mac checkbox, I am getting the error in the screenshot below when trying to build for Mac. It's telling me I need to select a develo...

I have a Mac Catalyst app I had built using SwiftUI,and I cant seem to add buttons to the trailing navigation bar? I am also unsure where this navigationBar is defined, is it possible to remove? It...

We are converting our Swift based iOS app to Mac compatible using Catalyst in Xcode 11. We are facing an issue in UI when user resize app window. So can we disable resize mode and give fix frame f...

Background The function shareImage() in the code below launches the UIActivityViewController and shares an image, for example sends to Messages or saves to Photos. After the image is shared, UIActi...

By default, Mac Catalyst creates a menu titled "Help" that is supposed to include help for the application. However, I found no documentation on how to implement Help. For standard Mac apps, you ca...

The message that I receive when I try to upload a new app version (1.1) for Mac Catalyst. ERROR ITMS-90061: "This bundle is invalid. The value for key CFBundleVersion [ 1 ] in the Info.plist file ...

I'm presenting a modal view controller in my Mac Catalyst / iOS app. iOS has the ability to swipe the modally presented view down to dismiss, or simply tap outside the presented view. It would appe...

I am in the process of enabling Catalyst support for a freelancing project — one of the things that I noticed right away is the differing behaviour of scrolling views on MacOS vs iOS. I expected to...

I'm trying to popup a document picker using mac catalyst, but all I get is a blank screen. All works well on ios 13.2.2 on iPad and iPhone, but not on macos 10.15.1 catalina. Does anyone knows ho...

So I've been meddling with "moving" a small SwiftUI iPad app to the Mac, and I've hit a bit of a speed bump with UIDocumentPickerViewController. I have wrapped the UIDocumentPickerViewController in...

I am trying to use the view modifier .quickLookPreview introduced in iOS 14, macOS 11 macCatalyst 14 but I get this error Value of type 'some View' has no member 'quickLookPreview' every time I try...

I have a tableview that allows multiple selection. I have set both allowsMultipleSelection and allowsMultipleSelectionDuringEditing to true in viewDidLoad and this is working perfectly on both iOS ...

I have this code in a UIViewController that confirms to UIDocumentPickerDelegate: - (void)openTextFilePicker { NSArray *UTIs = [NSArray arrayWithObjects:@"public.text", nil]; [self openFilePicke...

I have added an iOS 15+/macCatalyst 15.0+ function to my app and now it is crashing when run on an M1 iMac through Mac Catalyst (Designed for iPad). I have an availability check around my function ...

Goal is to make a translucent sidebar on Mac Catalyst. The code bellow gives a not translucent sidebar (image 1). On Mac (not catalyst) the sidebar looks fine (image 2). is it possible to have a tr...

I'm building an iOS app, and the client wants to enable the run on Mac feature. I enabled it and all run as expected on my Mac. How can I let them test it on their Macs? since TestFlight only runs ...

I am using MacCatalyst to port an iOS/iPadOS app to MacOS. The app uses CloudKit and functions in all ways except one: the UIApplicationDelegate method, didReceiveRemoteNotification, is not called ...

I wonder what does macCatalyst version means and how it is mapped to macOS version? For example, API which is available from macCatalyst 14.0 means it requires macOS 11.0 (Big Sur), macCatalyst 13....

I'm working on porting an iOS application to Catalyst. The Catalyst (Mac) version will have its own target. Is there an official way to conditionally compile code just for Catalyst? Otherwise, I c...