01
How to Resize an Image in SwiftUI
SwiftUIImageUILayout
Learn how to resize images in SwiftUI using resizable(), frame(), and different content modes like scaledToFit and scaledToFill.
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// 109 articles available
- 02
How to Add an Activity Indicator (Spinner) in SwiftUI
SwiftUIUILoadingProgressViewLearn how to show loading spinners in SwiftUI using ProgressView, including customization options and common loading patterns.
READ_ARTICLE - 03
Detecting Shake Gestures in SwiftUI
SwiftUIGesturesUIKitLearn how to detect when users shake their device in SwiftUI by bridging to UIKit's motion events and creating a reusable view modifier.
READ_ARTICLE - 04
Fixing iOS Simulator That Won't Launch or Boot
XcodeSimulatorDebuggingWhen the iOS Simulator refuses to launch, gets stuck booting, or shows a black screen, here's how to diagnose and fix it.
READ_ARTICLE - 05
Scheduling Alarms with AlarmKit
AlarmKitiOSSwiftLearn how to use AlarmKit to schedule alarms that appear in the system Clock app, giving your app native alarm integration on iOS 26.
READ_ARTICLE - 06
Supporting Dark Mode in a SwiftUI App
SwiftUIDark-ModeUIColorsLearn how to properly support dark mode in SwiftUI using semantic colors, adaptive color assets, and color scheme detection.
READ_ARTICLE - 07
Using SF Symbols in SwiftUI
SwiftUISF-SymbolsIconsUILearn how to use SF Symbols in your SwiftUI apps, including sizing, coloring, animations, and finding the right symbol for your needs.
READ_ARTICLE - 08
@State vs @Binding in SwiftUI: When to Use Each
SwiftUIState-ManagementData-FlowProperty-WrappersUnderstand the difference between @State and @Binding in SwiftUI, when to use each, and how they work together to manage data flow between views.
READ_ARTICLE - 09
Reading Your App's Age Rating with StoreKit's ageRatingCode
StoreKitiOSSwiftApp-StoreLearn how to use AppStore.ageRatingCode to read your app's current age rating and react to rating changes for parental consent compliance.
READ_ARTICLE - 10
Fixing Xcode Indexing That's Stuck or Slow
XcodePerformanceDebuggingWhen Xcode's indexing gets stuck or takes forever, your autocomplete and jump-to-definition stop working. Here's how to get it unstuck.
READ_ARTICLE - 11
Add Spacing to Toolbars with ToolbarSpacer in SwiftUI
SwiftUIToolbarUILayoutiOS-26Learn how to use ToolbarSpacer to add fixed and flexible spacing between toolbar items in SwiftUI, new in iOS 26.
READ_ARTICLE - 12
Working with Optional ObservableObject in SwiftUI
SwiftUIState-ManagementObservableObjectLearn different approaches for handling optional ObservableObject instances in SwiftUI, from conditional rendering to wrapper patterns.
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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 - 14
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.
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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 - 16
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 - 17
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.
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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 - 19
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 - 20
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 - 21
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.
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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 - 23
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 - 24
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 - 25
Presenting Multiple Sheets in SwiftUI
SwiftUISheetsNavigationUIHow to present a second sheet from within an already-presented sheet in SwiftUI.
READ_ARTICLE - 26
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 - 27
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 - 28
Access Environment Values in View Extensions
SwiftUIEnvironmentViewModifierExtensionsLearn how to access SwiftUI environment values in View extensions using ViewModifiers for clean, reusable code.
READ_ARTICLE - 29
How to generate QR codes in SwiftUI
SwiftUICoreImageQRImagesLearn how to create and display QR codes in SwiftUI using Core Image filters.
READ_ARTICLE - 30
How to search SF Symbols in Xcode
XcodeSwiftUIDesignLearn how to search SF Symbols in Xcode.
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