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How to Preview Live Activities in SwiftUI
SwiftUIWidgetKitLive-ActivitiesXcodePreviews
Use the #Preview macro to preview your Live Activity views directly in Xcode without running the full app.
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- 02
Claude Code Auto Commit: How to Automatically Commit Changes as You Go
AIDevelopment-EnvironmentClaude-CodeClaude Code can commit changes automatically while it works. Here's how to set that up using hooks, CLAUDE.md instructions, and the right permission configuration.
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Debugging SwiftUI Previews in Xcode
SwiftUIXcodePreviewsDebuggingWhen SwiftUI previews break, the error messages aren't always helpful. Here's how to debug them, clear caches, and get back to a working state.
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Nullability Annotations in Objective-C
Objective-CSwift-InteropType-SafetyObjective-C's nullability annotations tell the compiler which pointers can be nil. They catch bugs at compile time and make your code bridge to Swift cleanly.
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Using Vercel's Skills Library to Supercharge AI Agents for React Native
AIReact-NativeDevelopment-EnvironmentClaude-CodeVercel's Skills library lets you add reusable instruction sets to AI coding agents. Here's how to use it to make agents more effective for React Native development.
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How to Change the Background Color of a View in SwiftUI
SwiftUIUIColorsLayoutLearn different ways to set background colors on SwiftUI views, from simple color fills to gradients and materials.
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I'm Really Excited About React Navigation v8
React-NativeReact-NavigationTypeScriptReact Navigation v8 is in alpha and I'm genuinely excited. Native bottom tabs, smarter TypeScript inference, and a long-awaited fix for deep linking behind auth screens. This one's going to be good.
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Understanding the "some" Keyword in Swift and SwiftUI
SwiftSwiftUIOpaque-TypesGenericsLearn what the "some" keyword means in Swift, how opaque return types work, and why SwiftUI uses "some View" everywhere.
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Configuring Claude Code Permissions for React Native Development
AIDevelopment-EnvironmentReact-NativeClaude-CodeReact Native projects require running lots of shell commands. Here's how to configure Claude Code's permission system so you're not constantly approving the same operations.
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How to Use Xcode's MCP Server to Build Xcode into Your AI Workflow
XcodeAIDevelopment-EnvironmentXcode 26.3 ships with a built-in MCP server that exposes project structure, build actions, and test results to external AI tools. Here's how to set it up.
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Lightweight Generics in Objective-C
Objective-CType-SafetySwift-InteropObjective-C's lightweight generics let you specify element types for collections like NSArray<NSString *>. They catch type mismatches at compile time and improve Swift bridging.
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SwiftUI vs UIKit: Which Should You Choose in 2026?
SwiftUIUIKitiOS-DevelopmentArchitectureA practical guide to choosing between SwiftUI and UIKit in 2026, based on your project requirements, team experience, and the current state of both frameworks.
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Choosing the Right Resource Isolation Strategy in Swift
SwiftConcurrencyArchitectureSwift offers actors, GCD, and locks for thread safety. Each solves the same problem differently. Here's how to choose.
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Resource Isolation in Swift Using Actors
SwiftConcurrencyActorsActors provide compile-time safety for shared mutable state in Swift. Here's when to use them and how they compare to older approaches.
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Resource Isolation in Swift Using GCD
SwiftConcurrencyGCDGrand Central Dispatch remains a practical choice for thread safety in Swift, especially when you need synchronous access or are working with legacy code.
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Resource Isolation in Swift Using Locks
SwiftConcurrencyThreadingLocks offer the lowest overhead for thread synchronization in Swift. Here's when that matters and how to use them safely.
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NavigationView vs NavigationStack: What Changed and Why
SwiftUINavigationiOS-DevelopmentNavigationStack replaced NavigationView in iOS 16 with a more powerful programmatic navigation model. Here's what changed and how to migrate.
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Async/Await Basics in Swift
SwiftConcurrencyasync/awaitA practical introduction to async/await in Swift, covering the fundamentals you need to write concurrent code that's both safe and readable.
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Async/Await vs GCD in Swift: When to Use Each
SwiftConcurrencyGCDasync/awaitBoth async/await and Grand Central Dispatch solve concurrency problems, but they approach them differently. Here's how to choose between them.
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Fixing 16KB Page Alignment Errors in React Native for Android
React-NativeAndroidGoogle-PlayGoogle Play now requires 16KB page size support for Android apps. Here's how to fix alignment errors in your React Native project before your next release gets rejected.
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Operator Precedence Gotchas When Moving Between Swift and Objective-C
SwiftObjective-CMigrationA refactoring mishap with arithmetic expressions led me down the rabbit hole of operator precedence differences between Swift and Objective-C. Here's what to watch for.
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Automatically Switch Node Versions with nvm for React Native Projects
macOSDevelopment-EnvironmentReact-NativeAvoid cryptic build failures by setting up nvm to automatically use the right Node version when you cd into a project.
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How to Change the Default Screenshot Folder on macOS
macOSDevelopment-EnvironmentStop cluttering your Desktop with screenshots. Here's how to save them somewhere else using Terminal or the Screenshot app.
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Accessing the Camera Roll in SwiftUI
SwiftUIUIKitImagesPrivacyConfigurationLearn how to access photos from the camera roll in SwiftUI, including required permissions, Info.plist configuration, and using PhotosPicker for iOS 16+ or UIImagePickerController for earlier versions.
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Detecting When a Screenshot is Taken in SwiftUI
SwiftUIUIKitSecurityPrivacyLearn how to detect when users take screenshots in your SwiftUI app by observing UIApplication notifications.
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Prevent macOS from Creating .DS_Store Files on Network and USB Drives
macOSConfigurationDevelopment-EnvironmentStop macOS from littering .DS_Store files on network shares and USB drives with a simple Terminal command. Keep your external storage clean and your repositories tidy.
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Detect Successful Share Sheet Completion in SwiftUI
SwiftUIUIKitShareActivityViewControllerLearn how to detect when a user successfully shares content using a share sheet in SwiftUI by wrapping UIActivityViewController.
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Prevent Drag-to-Dismiss on SwiftUI Sheets
SwiftUISheetUIModalLearn how to prevent users from dismissing modal sheets by swiping down in SwiftUI using interactiveDismissDisabled.
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Building Interactive Glass Controls in SwiftUI
SwiftUIiOSLiquid-GlassUI-DesignMake your glass elements respond to touch with scaling, shimmer effects, and touch-point illumination using the interactive() modifier and glass button styles.
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Rounding Corners in SwiftUI: From cornerRadius to clipShape
SwiftUIUIShapesLayoutThe cornerRadius modifier is deprecated in iOS 17. Here's how to use clipShape, RoundedRectangle, and the new ConcentricRectangle to round corners the modern way.
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