I write Swift and write about Swift, but most people prefer my dogs.https://bsky.app/profile/twostraws.bsky.socialhttps://bsky.app/profile/twostraws.bsky.social/post/3mlwdnepzoc2iCan I make one YouTube video showing all the features in Kickstart? No! But I can certainly try to show off my favorites 😎 youtu.be/nJmzliRXg2M https://youtu.be/nJmzliRXg2M15 May 2026 22:04 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlwdnepzoc2ihttps://bsky.app/profile/twostraws.bsky.social/post/3mlvx7vtuuc27My new Mac app is out today, and I wrote a blog post about it: what it does, who it's for, and what you get for free. (Spoiler: it's a lot! 😅) https://www.hackingwithswift.com/articles/285/introducing-kickstart-the-app-that-helps-indie-developers-ship15 May 2026 18:22 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlvx7vtuuc27https://bsky.app/profile/twostraws.bsky.social/post/3mlvh6gkr4k25My new Mac app is out today! It's called Kickstart, and it has just one job: helping indie app developers make more money on the App Store. It is *packed* with features, many of which are completely free. Get it here: https://apps.apple.com/app/kickstart-app-accelerator/id675835517815 May 2026 13:35 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlvh6gkr4k25https://bsky.app/profile/twostraws.bsky.social/post/3mlsv7hqwwk24accessibilityInputLabels() lets Voice Control users activate UI controls with custom spoken commands. Without it, they'd have to recite the entire text of a view just to tap a button - imagine doing that when a stock price changes every second. https://www.hackingwithswift.com/articles/261/i-screwed-up-one-key-accessibility-behavior-and-now-i-m-on-a-mission-to-do-better14 May 2026 13:08 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlsv7hqwwk24https://bsky.app/profile/twostraws.bsky.social/post/3mlnv567k6k24Use @Attribute(.externalStorage) to hint to SwiftData that large data like images should live outside the main store. It handles everything transparently, just don't try using those properties in predicates. https://www.hackingwithswift.com/quick-start/swiftdata/how-to-store-swiftdata-attributes-in-an-external-file12 May 2026 13:23 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlnv567k6k24https://bsky.app/profile/twostraws.bsky.social/post/3mllevupzac2jPro tip: Some APIs are fundamentally unsafe to call from async contexts. The @available(*, noasync) attribute lets you mark them as such, so the compiler will warn callers rather than letting subtle bugs slip through at runtime. https://www.hackingwithswift.com/swift/5.7/noasync11 May 2026 13:28 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mllevupzac2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mliulrrow22jSunday Build with HWS+: Flashcard apps are great for studying, but making the cards is tedious. This one uses Apple's Foundation Models framework to generate study cards automatically from any text you paste in. #SundayBuild https://www.hackingwithswift.com/plus/live-streams/snapcards10 May 2026 13:30 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mliulrrow22jhttps://bsky.app/profile/twostraws.bsky.social/post/3mlgxm7a7k222Chapter 3 of the Swift AI Playbook is out now, showing how to use text to speech to create beautiful, natural voices locally ✨ https://www.hackingwithswift.com/store/swift-ai-playbook09 May 2026 19:19 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlgxm7a7k222https://bsky.app/profile/twostraws.bsky.social/post/3mlgolcx43c2jFloof patrol reporting for duty!09 May 2026 16:37 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlgolcx43c2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mldwcepozc2j📚 SwiftUI colors aren't resolved to specific RGB values until they're drawn, so you need the environment to extract actual components. Use resolve(in:) to get a Color.Resolved you can inspect or encode as JSON. https://www.hackingwithswift.com/quick-start/swiftui/how-to-read-the-red-green-and-blue-values-from-a-color08 May 2026 14:18 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mldwcepozc2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mlbalfbffk2jA handful of lines of Metal shading language can produce remarkable visual effects in SwiftUI ✨ Inferno is an open-source library of ready-to-use shaders that makes GPU-accelerated graphics accessible to every developer. https://www.hackingwithswift.com/articles/262/introducing-inferno-metal-shaders-for-swiftui07 May 2026 12:44 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mlbalfbffk2jhttps://bsky.app/profile/twostraws.bsky.social/post/3ml6tm4abhk2jFor HWS+ subscribers: A few lines of Core Motion code and suddenly your SwiftUI views respond to how the device is held - screen-blended circles, spinning masks, and even 3D rotations. https://www.hackingwithswift.com/plus/swiftui-special-effects/controlling-views-using-the-accelerometer06 May 2026 13:46 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3ml6tm4abhk2jhttps://bsky.app/profile/twostraws.bsky.social/post/3ml4bcotp2s2jMark a SwiftData property with @Transient and it stays in memory only, never written to disk. Two rules: it needs a default value, and you can't use it in predicates. 💾 https://www.hackingwithswift.com/quick-start/swiftdata/how-to-make-transient-attributes-in-a-swiftdata-model05 May 2026 13:13 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3ml4bcotp2s2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkzvkc5ha22vRepeating the same test setup across multiple suites? Swift Testing's TestScoping protocol lets you wrap environment config into a reusable trait and apply it with a single annotation. https://www.hackingwithswift.com/swift/6.1/swift-testing-test-scopes04 May 2026 14:37 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkzvkc5ha22vhttps://bsky.app/profile/twostraws.bsky.social/post/3mkx76mygs22jSunday Build with HWS+: Calendar notifications are easy to miss, but alarms aren't. This app combines EventKit with AlarmKit to turn your events into unmissable alerts that sync to Apple Watch. #SundayBuild https://www.hackingwithswift.com/plus/live-streams/neverforget03 May 2026 12:52 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkx76mygs22jhttps://bsky.app/profile/twostraws.bsky.social/post/3mksbov6ayk2jWith scrollTransition(), you can control opacity, scale, blur, and hue as views enter and leave the visible area of a scroll view. https://www.hackingwithswift.com/quick-start/swiftui/how-to-make-views-scroll-with-a-custom-transition01 May 2026 13:53 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mksbov6ayk2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkpr54zsis2jSwiftData handles database creation, relationship management, view updates, and CloudKit sync - all without writing a single line of database code. Build a real app with it from scratch in this tutorial. https://www.hackingwithswift.com/articles/263/build-your-first-app-with-swiftui-and-swiftdata30 Apr 2026 13:52 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkpr54zsis2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkncea37r22jFor HWS+ subscribers: Confetti, fire, smoke, rain, snow - all from one SwiftUI particle system you build from scratch. The best part is how many effects you can create just by tweaking a few parameters. https://www.hackingwithswift.com/plus/swiftui-special-effects/creating-a-particle-system-in-swiftui29 Apr 2026 14:22 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkncea37r22jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkknwntqp22jCodable structs and enums work as SwiftData properties, but collections like [String] get stored as binary data and can't be used in predicates. Tread *carefully*. https://www.hackingwithswift.com/quick-start/swiftdata/using-structs-and-enums-in-swiftdata-models28 Apr 2026 13:11 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkknwntqp22jhttps://bsky.app/profile/twostraws.bsky.social/post/3mki6paq25k2jCatch the error, *then* what? #expect(throws:) and #require(throws:) in Swift Testing return the error directly, so you can inspect it separately from the throw check itself. https://www.hackingwithswift.com/swift/6.1/swift-testing-errors-expect27 Apr 2026 13:33 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mki6paq25k2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkfshnivac2jSunday Build with HWS+: I mean who *doesn't* love Regex? Create a SwiftUI app that lets you experiment with regular expressions in real time, with pattern matching, group highlighting, and Swift code generation. #SundayBuild https://www.hackingwithswift.com/plus/live-streams/regexcoach26 Apr 2026 14:49 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkfshnivac2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkdfm5etts2jFirst ice cream of the year - living the good life!25 Apr 2026 15:54 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkdfm5etts2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mkalsxy7ks2jUse scrollTargetLayout() with .viewAligned to snap between individual child views, or .paging to move exactly one screen at a time. https://www.hackingwithswift.com/quick-start/swiftui/how-to-make-a-scrollview-snap-with-paging-or-between-child-views24 Apr 2026 13:07 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mkalsxy7ks2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mk6qkzmrbk25After months of work, my new app is finally available to preorder on the Mac App Store. It's called Kickstart, and it has just one job: to help indie app developers make more money on the App Store. How does it do that? Let me explain…23 Apr 2026 19:27 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mk6qkzmrbk25https://bsky.app/profile/twostraws.bsky.social/post/3mk66ipxw622jWhat if you could build websites the same way you build SwiftUI apps, declaratively in pure Swift with no HTML required? That's the idea behind Ignite, and it works surprisingly well. 🔥 https://www.hackingwithswift.com/articles/266/build-your-next-website-in-swift23 Apr 2026 14:03 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mk66ipxw622jhttps://bsky.app/profile/twostraws.bsky.social/post/3mk3y3f7xmk2jFor HWS+ subscribers: Building a fully scalable, animated clock face with Canvas and TimelineView is a satisfying exercise in precise, relative drawing - and it looks great at any size. 🕰️ https://www.hackingwithswift.com/plus/recreating-ui/remaking-the-clock22 Apr 2026 17:03 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mk3y3f7xmk2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mjz4tlnryc2jYou can pass multiple configurations into a single ModelContainer, handy for keeping some data in permanent storage and others in memory only. Just remember: related models must always share the same store! https://www.hackingwithswift.com/quick-start/swiftdata/how-to-add-multiple-configurations-to-a-modelcontainer21 Apr 2026 13:50 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mjz4tlnryc2jhttps://bsky.app/profile/twostraws.bsky.social/post/3mjwm7mhlq22j🏗️ Protocols with clashing names - like Transaction meaning three different things in the same app - can be nested inside the types that own them. Tidier namespacing, less chance of collision. https://www.hackingwithswift.com/swift/5.10/nested-protocols20 Apr 2026 13:47 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mjwm7mhlq22jhttps://bsky.app/profile/twostraws.bsky.social/post/3mjudeikay22jSunday Build with HWS+: Visualize algorithm complexity with Swift Charts, from O(n) to O(n!), in a way that makes Big O notation click. #SundayBuild https://www.hackingwithswift.com/plus/live-streams/complexity-explorer19 Apr 2026 16:04 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mjudeikay22jhttps://bsky.app/profile/twostraws.bsky.social/post/3mjp3x3xnfs2jTable gives you sortable, selectable multi-column data on iPad and Mac, with support for custom cell views, column widths, and expandable rows via DisclosureTableRow. https://www.hackingwithswift.com/quick-start/swiftui/how-to-create-multi-column-lists-using-table17 Apr 2026 14:08 +0000at://did:plc:2izaurqsrmguegexlfoc7pps/app.bsky.feed.post/3mjp3x3xnfs2j