Forms & User Input

Learn how to detect when a user successfully shares content using a share sheet in SwiftUI by wrapping UIActivityViewController.

Learn how to prevent users from dismissing modal sheets by swiping down in SwiftUI using interactiveDismissDisabled.

Learn how to use Xcode's Device Conditions feature to simulate thermal state and network conditions to test your app under real-world stress scenarios.

Learn 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.

Learn 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.

Learn how to integrate UIKit's App Delegate into your SwiftUI app for handling app lifecycle events and system callbacks.

Learn how to access SwiftUI environment values in View extensions using ViewModifiers for clean, reusable code.

Learn how to create and display QR codes in SwiftUI using Core Image filters.

Learn how to search SF Symbols in Xcode.

Learn how to create a Material Design-style floating action button in SwiftUI that intelligently moves above the keyboard and avoids blocking text input fields.

Learn 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.

Learn 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.

Learn how to create a custom input accessory view that stays above the keyboard, similar to iMessage's input bar.

Learn how to add pull-to-refresh functionality to custom ScrollViews in SwiftUI without using List, perfect for custom layouts and complex scroll content.

Learn how to build skeleton loading screens with animated shimmer effects in SwiftUI using gradients, AnimatableModifier, and reusable view modifiers for a polished loading experience.

Learn how to dump all SwiftUI environment values for debugging purposes.

Learn how to implement undo/redo functionality in SwiftUI using UndoManager, including environment injection, registering actions, and creating undo buttons for professional editing experiences.

Learn how to align single and multiline text in SwiftUI.

Learn how to use ScrollViewReader and ScrollViewProxy to scroll a SwiftUI list to a specific item automatically.

Learn how to detect when a context menu is open in SwiftUI.

Learn how to create a WebView/WKWebView with a transparent/clear background in SwiftUI.

Learn how to accept user input in an alert using TextField or SecureField.

Learn how to create a modifier that limits the characters that can be entered in a TextEditor or TextField view in SwiftUI.

Learn the ways to scale a text view's font size to fit its parent view in SwiftUI.

Learn how to use a WKWebView as a quick way to load a GIF from a URL and display it in a SwiftUI view.

Learn how to use DisclosureGroupStyle to create custom DisclosureGroup views in SwiftUI.

Learn how to use kCFStringTransformToUnicodeName to get the system name for any emoji.

Learn how to prevent typing with your physical keyboard from dismissing the software keyboard when running your Swift app in the iOS simulator.

Learn how to detect if a SwiftUI app is running in a Xcode Preview.

Learn how to force the navigation bar to show a background color in SwiftUI.

How to use the SwiftUI DisclosureGroup view to create collapsable content.

Learn multiple approaches to replace characters and substrings in Swift strings, from simple replacements to pattern-based transformations.