SwiftUI

Explore two SwiftUI image tiling methods: resizable & foregroundStyle with ImagePaint. Learn a custom Image construction for SF Symbols tiling.

Common Misconceptions About SwiftUI

Explore common SwiftUI misconceptions, including its learning curve, cross-platform capabilities, and code volume. Understand its true potential for better app development.

Developing an Infinite Four-Direction Scrollable Pager with SwiftUI

Explore how to build an infinite four-direction scrollable pager in SwiftUI, overcoming limitations and leveraging custom gestures. Learn key techniques and considerations.

List or LazyVStack: Choosing the Right Lazy Container in SwiftUI

Explore SwiftUI's List and LazyVStack. Understand their differences, performance, and when to use each for optimal UI development and data display.

The Evolution of SwiftUI Scroll Control APIs and Highlights from WWDC 2024

Jun 2024

Explore the evolution of SwiftUI scroll control APIs, from WWDC 2019 to 2024. Learn about ScrollViewReader, scrollPosition, onScrollPhaseChange, & more.

Creating Stunning Dynamic Text Effects with TextRenderer

Jun 2024

Explore SwiftUI's TextRenderer for dynamic text effects. Learn to customize text rendering, create colorful animations, & use transitions. Dive into the new WWDC 2024 feature!

Before WWDC 2024: Reviewing Key SwiftUI Upgrades from 2019 to 2023 and Their Impact

May 2024

Explore key SwiftUI upgrades from 2019 to 2023, including the Observation framework, SwiftData, and more. See how they've transformed app development.

What Does spacing = nil Mean in SwiftUI?

May 2024

Explore SwiftUI spacing in-depth: understand what spacing = nil means, how default spacing is calculated, and when to use specific values. Learn practical spacing tips.

Mastering the containerRelativeFrame Modifier in SwiftUI

May 2024

Explore SwiftUI's containerRelativeFrame modifier: definition, layout rules, use cases, and a backward-compatible replica. Master flexible layouts now!

In-Depth Exploration of Overlay and Background Modifiers in SwiftUI

Apr 2024

Explore SwiftUI's overlay and background modifiers, understanding their differences from ZStack, alignment logic, size control, and best practices for usage.

The @State Specter: Analyzing a Bug in Multi-Window SwiftUI Applications

Apr 2024

Explore a SwiftUI bug in multi-window apps using @State, causing shared states. Discover temp fixes & insights into @State.

New Frameworks, New Mindset: Unveiling the Observation and SwiftData Frameworks

Apr 2024

Explore Observation & SwiftData frameworks from Let's VisionOS 2024. Learn how they solve existing issues, encouraging a new development mindset.

SwiftUI Views and @MainActor

Mar 2024

Explore @MainActor in SwiftUI: understand its use, solve concurrency issues, and learn best practices for Swift 6. Dive into View protocol updates & practical tips.

Practical SwiftData: Building SwiftUI Applications with Modern Approaches

Mar 2024

Learn how to integrate SwiftData with modern programming concepts in SwiftUI apps. This tutorial covers modularity, testability, and thread safety for robust data management.

Tips and Considerations for Using Lazy Containers in SwiftUI

Mar 2024

Explore practical tips for using SwiftUI's lazy containers like List & LazyVStack. Enhance app performance, optimize resource use, and avoid common pitfalls.

Exploring Property Wrappers in SwiftUI: @UIApplicationDelegateAdaptor, @AccessibilityFocusState, @FocusedObject, @FocusedValue, and @FocusedBinding

Feb 2024

Explore SwiftUI's powerful property wrappers: @UIApplicationDelegateAdaptor for UIKit integration, @AccessibilityFocusState for enhanced accessibility, and @FocusedObject, @FocusedValue, @FocusedBinding for focus management. Learn how they simplify app development and improve user experience.

Exploring SwiftUI Property Wrappers: @FetchRequest, @SectionedFetchRequest, @Query, @Namespace, @Bindable

Feb 2024

Explore SwiftUI property wrappers like @FetchRequest, @SectionedFetchRequest, @Query, @Namespace, & @Bindable. Learn how they simplify data fetching & view management.

Exploring SwiftUI Property Wrappers: @AppStorage, @SceneStorage, @FocusState, @GestureState and @ScaledMetric

Jan 2024

Explore SwiftUI property wrappers like @AppStorage, @SceneStorage, @FocusState, @GestureState, & @ScaledMetric for data persistence, focus, gestures, & scaling.

Exploring Key Property Wrappers in SwiftUI: @State, @Binding, @StateObject, @ObservedObject, @EnvironmentObject, and @Environment

Dec 2023

Explore essential SwiftUI property wrappers: @State, @Binding, @StateObject, @ObservedObject, @EnvironmentObject, and @Environment. Understand their core functions and when to use each.

SwiftUI geometryGroup() Guide: From Theory to Practice

Nov 2023

Explore SwiftUI's geometryGroup() for handling animation anomalies and layout issues. Learn its usage, how it works, and alternatives for older SwiftUI versions.

Mastering ViewThatFits

Nov 2023

Explore SwiftUI's ViewThatFits: learn its rules, ideal size, usage, and how to recreate it with Layout protocol. Master adaptive layouts for your iOS apps.

GeometryReader: Blessing or Curse?

Nov 2023

Explore GeometryReader's common problems in SwiftUI. Is it a curse or a blessing? Understand its layout, information retrieval, performance, and when to use it correctly. Includes new onGeometryChange API & replications.

Mastering TipKit: Advanced

Oct 2023

Explore advanced TipKit: customize views beyond TipView, integrate with UIKit, enable cross-app data sharing, reuse Tip code, and address FAQs. Learn how to observe status & more!

Mastering TipKit: Basics

Oct 2023

Explore Apple's TipKit framework for displaying tips in your apps. Learn how to define, initialize, and customize tips using SwiftUI. Discover rules, events, and display strategies.

Common Pitfalls Caused by Delayed State Updates in SwiftUI

Aug 2023

Explore two serious SwiftUI issues caused by delayed state updates: app freezes after sheet dismiss & navigation swipe, crashes when returning while scrolling. Solutions provided.

The Secret to Flawless SwiftUI Animations: A Deep Dive into Transactions

Explore SwiftUI Transactions: principles, functions, and distribution for precise animation control. Learn about implicit, explicit animations, and how to use them effectively. Also, cover the latest updates in WWDC 2023.

A Deep Dive Into Observation: A New Way to Boost SwiftUI Performance

Explore the Observation framework in Swift 5.9: Learn its creation, usage, and benefits for SwiftUI performance. Understand how it improves upon KVO and Combine.

Deep Dive into the New Features of ScrollView in SwiftUI 5

Explore SwiftUI 5's enhanced ScrollView with new APIs like contentMargins, safeAreaPadding, scrollIndicatorsFlash & more. Learn how to leverage these features for better scrolling experiences.

WWDC 23, First Impressions of SwiftUI 5 and SwiftData

WWDC 2023 unveils SwiftUI 5.0 with revolutionary data flow, animation upgrades, and enhanced ScrollView. Also, explore SwiftData, Apple’s new Swift-based persistence framework.

Building Stable Preview Views: How SwiftUI Previews Work

May 2023

Explore SwiftUI preview's mechanism and limitations. Learn how it works via derived code, dynamic replacement, and XPC. Discover why previews crash & how to fix it.

Building Cross-Platform SwiftUI Apps

Apr 2023

Learn how to build cross-platform SwiftUI apps. This article covers key aspects like compatibility, data sources and adapting to multiple windows, based on a presentation at the SwiftUI Technology Salon.

Timing of onAppear Invocation

Mar 2023

Explore the timing of SwiftUI's onAppear modifier with evidence from new SwiftUI 4 APIs. Learn when onAppear is invoked: after layout, before rendering.

Memory Optimization Journey for a SwiftUI + Core Data App

Mar 2023

Optimize memory in SwiftUI + Core Data apps! This guide uses a sample to enhance performance, covering lazy views, managed objects, and row cache. Learn to reduce app crashes.

Layout in SwiftUI Way

Mar 2023

Explore SwiftUI's powerful layout system by using multiple methods to achieve one UI goal. Learn about offset, alignmentGuide, NameSpace, ScrollView and more.

Cracking the Code: The Mysterious @State Injection Mechanism

Feb 2023

Explore SwiftUI @State injection optimization, modal view timing, and data coordination using a 'mysterious code' example. Learn how @State impacts updates in different contexts.

Customizing the Appearance and Interaction Behavior of Buttons

Feb 2023

Learn how to customize SwiftUI Button appearance and interaction using ButtonStyle & PrimitiveButtonStyle protocols. Add custom animations & control button behavior.

SwiftUI and Core Data: Safely Responding to Data

Dec 2022

Learn to handle Core Data in SwiftUI safely, prevent crashes, ensure real-time updates, and provide accurate data with best practices.

SwiftUI and Core Data: Data Fetching

Dec 2022

Learn how to efficiently fetch Core Data in SwiftUI with a custom FetchRequest using mock data for testing and previewing. Enhance your data handling strategies now!

SwiftUI and Core Data: Data Definition

Explore a modern approach to SwiftUI & Core Data data definition. Learn how to decouple views from managed objects using protocols for better flexibility & testability.

SwiftUI and Core Data: The Challenges

Explore the challenges of integrating Core Data with SwiftUI & TCA. Discover solutions to improve data definitions, testing, and concurrency, while retaining Core Data's strengths.

Adaptive Programmatic Navigation in SwiftUI

Create adaptive programmatic navigation in SwiftUI for different size modes, focusing on iPadOS & Stage Manager. Learn NavigationStack vs NavigationSplitView state management.

Ask Apple 2022 Q&A Related to SwiftUI (Part 2)

Explore SwiftUI insights from Ask Apple 2022. This article compiles key Q&A, offering solutions on Form vs List, performance, custom layouts, and more. A must-read for SwiftUI developers seeking best practices and tips.

Ask Apple 2022 Q&A Related to SwiftUI (Part 1)

Oct 2022

Explore SwiftUI solutions from Ask Apple 2022 Q&A. This article provides developer insights on UIActivityViewController, contextAction, testing @State, and more. Learn from Apple engineers.

The Composable Architecture (TCA)

Oct 2022

Explore the Composable Architecture (TCA), a powerful SwiftUI framework for complex app development. Learn its features, benefits, recent updates, and usage considerations.

SwiftUI’s StateObject and ObservedObject: The Key Differences

Oct 2022

Explore the nuances of SwiftUI's StateObject and ObservedObject. Learn their principles, differences, and when to use each for optimal data management and view updates.

Some Suitable Tutorials for SwiftUI Beginners

Sep 2022

Explore beginner-friendly SwiftUI tutorials from Hacking with Swift, AppCoda, Design Code & more. Start your SwiftUI journey with ease!

How to Determine if ScrollView, List is Currently Scrolling in SwiftUI

Sep 2022

Learn how to detect scrolling in SwiftUI using Introspect, Runloop, and PreferenceKey. Discover advantages and limitations. The IsScrolling library combines the last two methods for easy use.

Several Ways to Center Views in SwiftUI

Explore various methods to center views in SwiftUI, including Spacers, alignment guides like ZStack and frame, and GeometryReader. Understand each method's principles, scenarios, and considerations.

Implementing Keyword-based Search and Positioning in SwiftUI Text

Explore how to implement keyword search and highlighting in SwiftUI Text using AttributedString. Learn to navigate search results and enhance user experience.

Mixing Text and Image in SwiftUI

Explore how to mix text and images within SwiftUI's Text view. Learn techniques for dynamic sizing and text alignment. Includes practical examples and code.

Mastering the SwiftUI task Modifier

Explore SwiftUI's task modifier for async operations. Learn to handle cancellations, background tasks, & avoid unnecessary refreshes. Includes code examples & tips for older versions.

How to Avoid Repeating SwiftUI View Updates

Optimize SwiftUI view calculations: Avoid redundant updates using efficient parameters, view decomposition, Equatable, and event source control. Boost performance now!

SwiftUI Layout: Cracking the Size Code

Jul 2022

Explore SwiftUI layout by imitating 'frame' and 'fixedSize' view modifiers. Learn about layout issues via examples, and the difference between appearance and essence.

SwiftUI Layout: The Mystery of Size

Jul 2022

Explore SwiftUI size concepts for layout, understanding how proposed, required, and layout sizes work. Master SwiftUI layout with practical examples.

Alignment in SwiftUI: Everything You Need to Know

Jul 2022

Explore SwiftUI alignment using the Layout protocol. Learn how alignment guides & view alignment work. Master SwiftUI layout for flexible UI design.

Creating Tables with Table in SwiftUI

Jun 2022

Learn how to use SwiftUI’s Table for creating interactive, multi-column tables on macOS & iPadOS. Explore features like sorting, selection, & implementing similar functionality on other platforms.

The New Navigation System in SwiftUI

Jun 2022

Explore SwiftUI 4.0's revamped navigation with NavigationStack & NavigationSplitView. Learn programmatic navigation, view stack management, & multi-column layouts.

Best Practices for Detecting and Opening URLs in SwiftUI

May 2022

Explore SwiftUI's best ways to open URLs, from buttons to text links. Learn how to customize URL handling and auto-detect links within text for a seamless user experience.

Going Beyond @Published:Empowering Custom Property Wrappers

May 2022

Explore how to make custom Swift property wrappers like @Published by enabling notifications to classes, using static subscript methods. Includes examples for @MyPublished, @PublishedObject, and @CloudStorage.

Demystifying SwiftUI Animation: A Comprehensive Guide

May 2022

Explore SwiftUI’s animation mechanism with detailed explanations and code. Learn timing curves, VectorArithmetic, transitions, and how to master smooth UI effects.

Demystifying SwiftUI List Responsiveness: Best Practices for Large Datasets

Explore SwiftUI list optimization through a case study. Learn how to identify & resolve performance issues when handling large datasets, plus best practices for smooth navigation.

Mastering zIndex in SwiftUI

Learn how to master zIndex in SwiftUI to control view layering, avoid animation issues, and use it effectively in various layout containers.

ViewBuilder Research: Creating a ViewBuilder Imitation

Explore SwiftUI's ViewBuilder by creating an imitation. Learn about view protocol, view types, and how SwiftUI handles views. Includes code examples for View, EmptyView, TupleView, and more.

ViewBuilder Research: Mastering Result Builders

Explore Swift result builders: custom containers, modifiers, compatibility, and limitations. Master ViewBuilder for SwiftUI view creation. Includes code examples.

SwiftUI Overlay Container 2: Customizable, Efficient, and Convenient View Manager

Mar 2022

SwiftUI Overlay Container is a customizable, efficient view manager for SwiftUI. Simplify view organization, transitions, animations, and more with ease. Try it now!

Customizing Gestures in SwiftUI

Jan 2022

Explore how to customize gestures in SwiftUI, including swipe, press, and click. Learn to use view modifiers, GestureState, and integrate UIKit gestures. Updated for iOS 18.

Using NSUbiquitousKeyValueStore with SwiftUI

Dec 2021

Explore how to use NSUbiquitousKeyValueStore for cross-device data sharing in SwiftUI. Learn about its features, configurations, and practical usage with examples. Includes comparison to UserDefaults and integration with @CloudStorage.

Lifecycle of SwiftUI Views

Nov 2021

Explore the SwiftUI view lifecycle, including struct instance creation, view value trees, and the nuances of onAppear and onDisappear. Learn to optimize your SwiftUI code.

Mastering Safe Area in SwiftUI

Nov 2021

Explore SwiftUI SafeArea: Get SafeAreaInsets, draw views outside safe area, and modify it. Learn about GeometryReader, ignoresSafeArea, and safeAreaInset.

Understanding SwiftUI's onChange

Explore SwiftUI's onChange modifier: learn its features, usage, precautions, and alternatives. Understand how it observes values and triggers actions on change. Avoid common pitfalls for efficient coding.

Advanced SwiftUI TextField: Events, Focus, Keyboard

Explore advanced SwiftUI TextField techniques: events, focus switching, keyboard settings, and more. Master onEditingChanged, onSubmit, and FocusState for enhanced user input.

Advanced SwiftUI TextField: Formatting and Validation

Explore advanced SwiftUI TextField techniques: real-time formatting, invalid character filtering, and input condition validation. Learn to enhance your app’s text input.

AttributedString: Making Text More Beautiful Than Ever

Explore Apple's AttributedString, a Swift alternative to NSAttributedString for styled text. Learn to create custom attributes, use Markdown, & more.

Globalize Your SwiftUI App: A Comprehensive Guide to Localization

Learn how to localize text in SwiftUI apps, covering string files, plural rules, & device-specific settings. Includes examples for dates, currencies, & more. Get practical localization tips.

SheetKit: SwiftUI Modal View Extension Library

SheetKit is a SwiftUI extension library for modal views, offering methods for presenting, dismissing, and managing sheets, fullScreenCovers, and custom bottomSheets. It enhances deep link handling and provides half-height modal support.

How to Implement interactiveDismissDisabled in SwiftUI

Explore how to enhance SwiftUI 3.0's interactiveDismissDisabled with functional extensions. Control sheet dismissal & get user gesture notifications. Learn the implementation!

Rebuilding SwiftUI's Redux-like State Container with Async-Await