01
Add Spacing to Toolbars with ToolbarSpacer in SwiftUI
SwiftUIToolbarUILayoutiOS-26
Learn how to use ToolbarSpacer to add fixed and flexible spacing between toolbar items in SwiftUI, new in iOS 26.
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// 160 articles available
- 02
Working with Optional ObservableObject in SwiftUI
SwiftUIState-ManagementObservableObjectLearn different approaches for handling optional ObservableObject instances in SwiftUI, from conditional rendering to wrapper patterns.
READ_ARTICLE - 03
Defensive Coding with NSError in Objective-C
Objective-CError-HandlingBest-PracticesNSError is the standard error handling mechanism in Objective-C, but using it defensively requires more than just passing a pointer. Learn patterns that prevent crashes and make debugging easier.
READ_ARTICLE - 04
Using Failable Initializers to Handle Optionals in SwiftUI Views
SwiftUISwiftOptionalsUIFailable initializers offer a cleaner alternative to if-let statements when your SwiftUI views depend on optional data.
READ_ARTICLE - 05
Control Sheet Height with presentationDetents in SwiftUI
SwiftUISheetUIModaliOS-16Learn how to use the presentationDetents modifier to control sheet heights in SwiftUI, creating interactive bottom sheets similar to Apple Maps and Music.
READ_ARTICLE - 06
Fixing SwiftUI Previews That Won't Load
XcodeSwiftUIDebuggingPreviewsWhen SwiftUI previews fail with cryptic errors or just spin forever, here's how to diagnose and fix the most common causes.
READ_ARTICLE - 07
Building Child-Safe Communication Features with PermissionKit
PermissionKitSwiftUIChild-SafetyiOSFamily-SharingPermissionKit lets children request parental permission to communicate with new contacts directly through Messages. Here's how to integrate it into your social or messaging app to create safer communication experiences.
READ_ARTICLE - 08
Control Tappable Area with contentShape in SwiftUI
SwiftUIGesturesUILearn how to use the contentShape modifier to expand or customize the tappable area of your SwiftUI views, making buttons and interactive elements more user-friendly.
READ_ARTICLE - 09
Understanding Safe Areas in SwiftUI
SwiftUILayoutUISafe-AreaSafe areas keep your content visible and interactive. Here's how they work in SwiftUI and when you should ignore them.
READ_ARTICLE - 10
Detecting When App Enters Background and Saving State in SwiftUI
SwiftUILifecycleState-ManagementPersistenceLearn how to detect app lifecycle changes in SwiftUI, save state when your app enters the background, and restore it when users return, using scenePhase and UIApplication notifications.
READ_ARTICLE - 11
Previewing Partially Generated Content with Foundation Models in SwiftUI
SwiftUIFoundation-ModelsXcodePreviewsAIWhen building UIs that stream AI-generated content using Apple's Foundation Models framework, testing intermediate states in Xcode Previews requires some creative workarounds. Here's how to preview partially generated content without calling the actual model.
READ_ARTICLE - 12
Using Custom Fonts in SwiftUI
SwiftUIFontsTypographyUIHow to add custom fonts to your SwiftUI app, use system font variants, and ensure your typography scales properly with Dynamic Type.
READ_ARTICLE - 13
Centering Views in SwiftUI
SwiftUILayoutUIUnderstanding the difference between frame alignment and stack alignment is the key to centering views exactly where you want them in SwiftUI.
READ_ARTICLE - 14
Adding Horizontal Padding to TextEditor in SwiftUI with contentMargins
SwiftUITextEditorLayoutiOS-17Learn how to add horizontal padding inside a TextEditor without affecting the scrollbar using the contentMargins modifier introduced in iOS 17.
READ_ARTICLE - 15
Detecting Low Power Mode in SwiftUI and Adapting UI Performance
SwiftUIPerformanceBatteryiOSLearn how to detect when users enable Low Power Mode and automatically reduce animations, refresh rates, and visual effects to preserve battery life in your SwiftUI app.
READ_ARTICLE - 16
Presenting Multiple Sheets in SwiftUI
SwiftUISheetsNavigationUIHow to present a second sheet from within an already-presented sheet in SwiftUI.
READ_ARTICLE - 17
Symbolicating Swift Crash Reports in Xcode
XcodeDebuggingCrash-ReportingProductionLearn how to symbolicate crash logs from App Store Connect and Xcode Cloud to debug production crashes effectively.
READ_ARTICLE - 18
Adding an App Delegate to a SwiftUI App
SwiftUIAppDelegateUIKitLifecycleLearn how to integrate UIKit's App Delegate into your SwiftUI app for handling app lifecycle events and system callbacks.
READ_ARTICLE - 19
Access Environment Values in View Extensions
SwiftUIEnvironmentViewModifierExtensionsLearn how to access SwiftUI environment values in View extensions using ViewModifiers for clean, reusable code.
READ_ARTICLE - 20
How to generate QR codes in SwiftUI
SwiftUICoreImageQRImagesLearn how to create and display QR codes in SwiftUI using Core Image filters.
READ_ARTICLE - 21
How to search SF Symbols in Xcode
XcodeSwiftUIDesignLearn how to search SF Symbols in Xcode.
READ_ARTICLE - 22
Building a Floating Action Button (FAB) that Respects Keyboard in SwiftUI
SwiftUIKeyboardUILayoutLearn how to create a Material Design-style floating action button in SwiftUI that intelligently moves above the keyboard and avoids blocking text input fields.
READ_ARTICLE - 23
Building a Pull-to-Load-More ScrollView in SwiftUI
SwiftUIScrollViewUIPaginationHow to detect when users scroll to the bottom of a list and automatically load more content.
READ_ARTICLE - 24
Managing Keyboard Toolbar Items in SwiftUI (iOS 15+)
SwiftUIKeyboardTextFieldTextEditorLearn how to add custom toolbar buttons above the keyboard in SwiftUI using the .toolbar modifier with keyboard placement for Done buttons, formatting controls, and more.
READ_ARTICLE - 25
Preventing Screenshot Capture in SwiftUI Views
SwiftUISecurityPrivacyUIKitLearn how to prevent users from taking screenshots of sensitive content in your SwiftUI app using field-level security and UIKit bridging for financial, medical, or private data protection.
READ_ARTICLE - 26
Creating an iMessage-Style Input Accessory View in SwiftUI
SwiftUIKeyboardUITextFieldLearn how to create a custom input accessory view that stays above the keyboard, similar to iMessage's input bar.
READ_ARTICLE - 27
Finding the Top View Controller in Swift
SwiftUIKitiOSHow to traverse the view controller hierarchy to find the currently visible view controller.
READ_ARTICLE - 28
Implementing Pull-to-Refresh Without List in SwiftUI
SwiftUIScrollViewUIKitAsyncLearn how to add pull-to-refresh functionality to custom ScrollViews in SwiftUI without using List, perfect for custom layouts and complex scroll content.
READ_ARTICLE - 29
Creating Skeleton Loading Views (Shimmer Effect) in SwiftUI
SwiftUIAnimationUILoadingLearn how to build skeleton loading screens with animated shimmer effects in SwiftUI using gradients, AnimatableModifier, and reusable view modifiers for a polished loading experience.
READ_ARTICLE - 30
Inspecting all SwiftUI Environment Values
SwiftUIEnvironmentDebuggingDevelopmentLearn how to dump all SwiftUI environment values for debugging purposes.
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