SwiftUI | Fatbobman's Blog

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Mastering SwiftUI Scrolling: Implementing Custom Paging

Feb 12, 2025 #SwiftUI

SwiftUI's scrollTargetBehavior provides precise scrolling control, but default paging misaligns in landscape mode. This article explores its limitations and implements a custom ScrollTargetBehavior for perfect paging alignment.

Why Certain View Modifiers in Swift 6 Cannot Use the @State Property

Dec 24, 2024 #SwiftUI #Swift

SwiftUI in Swift 6 fails with @State in view modifiers due to stricter concurrency & @MainActor. Learn solutions for alignmentGuide, scrollTransition & more.

Traps and Countermeasures for Abnormal onAppear Calls in SwiftUI

Dec 18, 2024 #SwiftUI

Discover unexpected SwiftUI onAppear behavior causing performance issues & state changes. Learn how to identify & temporarily fix abnormal calls in NavigationStack & TabView.

Intentional Design or Technical Flaw? The Anomaly of onChange in SwiftUI Multi-Layer Navigation

Nov 27, 2024 #SwiftUI

Explore SwiftUI's `onChange` modifier “selective deafness” in multi-layer navigation. Understand why it might not trigger as expected and learn how to work around this issue.

Understanding SwiftUI's View Update Mechanism: Starting from a TimelineView Update Issue

Nov 13, 2024 #SwiftUI

Explore SwiftUI's view update mechanism with a TimelineView issue. Learn about view types, declarations, and instances for efficient UI updates.

UserDefaults and Observation in SwiftUI: How to Achieve Precise Responsiveness

Oct 9, 2024 #Swift #Frameworks #SwiftUI

Explore how to efficiently manage UserDefaults with SwiftUI's Observation framework. This article provides a complete solution for precise, responsive data handling, including the @ObservableDefaults macro.

Nested Grid Layout Anomaly: Analysis Approach and Resolution Strategies for SwiftUI Layout Issues

Aug 7, 2024 #SwiftUI

Explore a SwiftUI Grid layout issue, learn analytical approaches & solutions for everyday SwiftUI development. Discover the root cause and a robust fix.

How to Tile Images in SwiftUI

Jul 31, 2024 #SwiftUI

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

Common Misconceptions About SwiftUI

Jul 24, 2024 #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

Jul 17, 2024 #SwiftUI #Frameworks

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

Jul 10, 2024 #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 26, 2024 #SwiftUI

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 19, 2024 #SwiftUI

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 22, 2024 #Apple Event #SwiftUI

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 15, 2024 #SwiftUI

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 8, 2024 #SwiftUI

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 25, 2024 #SwiftUI

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 11, 2024 #SwiftUI

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 3, 2024 #SwiftUI #Swift #SwiftData

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 28, 2024 #SwiftUI

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 21, 2024 #SwiftData #SwiftUI

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 14, 2024 #SwiftUI

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 7, 2024 #SwiftUI

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 1, 2024 #SwiftUI

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 25, 2024 #SwiftUI

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 21, 2023 #SwiftUI

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 30, 2023 #SwiftUI

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 16, 2023 #SwiftUI

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 9, 2023 #SwiftUI

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 25, 2023 #SwiftUI #Frameworks

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 18, 2023 #SwiftUI #Frameworks

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 30, 2023 #SwiftUI

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

Jun 27, 2023 #SwiftUI

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

Jun 19, 2023 #SwiftUI #Swift

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

Jun 13, 2023 #SwiftUI

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

Jun 9, 2023 #Apple Event #SwiftUI #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 23, 2023 #SwiftUI

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 25, 2023 #SwiftUI

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 29, 2023 #SwiftUI

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 8, 2023 #Core Data #SwiftUI

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 1, 2023 #SwiftUI

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 23, 2023 #SwiftUI

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 16, 2023 #SwiftUI

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 13, 2022 #Core Data #SwiftUI

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 6, 2022 #Core Data #SwiftUI

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

Nov 29, 2022 #Core Data #SwiftUI

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

Nov 22, 2022 #Core Data #SwiftUI

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

Nov 15, 2022 #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)

Nov 1, 2022 #SwiftUI #Apple Event

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 27, 2022 #SwiftUI #Apple Event

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 18, 2022 #SwiftUI #Frameworks

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 11, 2022 #SwiftUI

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 20, 2022 #SwiftUI

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 13, 2022 #SwiftUI #Frameworks

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

Aug 30, 2022 #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

Aug 23, 2022 #SwiftUI

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

Aug 16, 2022 #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

Aug 9, 2022 #SwiftUI

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

Aug 2, 2022 #SwiftUI

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 19, 2022 #SwiftUI

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 12, 2022 #SwiftUI

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 5, 2022 #SwiftUI

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 22, 2022 #SwiftUI

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 14, 2022 #SwiftUI

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 24, 2022 #SwiftUI

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 17, 2022 #SwiftUI #Swift

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 10, 2022 #SwiftUI

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

Apr 26, 2022 #SwiftUI

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

Apr 19, 2022 #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

Apr 12, 2022 #SwiftUI

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

Apr 6, 2022 #SwiftUI

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 20, 2022 #SwiftUI #Frameworks

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 10, 2022 #SwiftUI

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 13, 2021 #SwiftUI #CloudKit

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 28, 2021 #SwiftUI

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 22, 2021 #SwiftUI

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

Understanding SwiftUI's onChange

Oct 29, 2021 #SwiftUI

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

Oct 21, 2021 #SwiftUI

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

Oct 12, 2021 #SwiftUI

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

Oct 8, 2021 #Frameworks #Swift #SwiftUI

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

Sep 26, 2021 #SwiftUI

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

Sep 16, 2021 #SwiftUI #Frameworks

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

Sep 15, 2021 #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

Sep 6, 2021 #Swift #SwiftUI

Refactor SwiftUI state container with Swift 5.5's Async/Await. Learn how to handle side effects and ensure main thread updates for your app's state management.

Enhancing SwiftUI Navigation Views with NavigationViewKit

Aug 30, 2021 #SwiftUI #Frameworks

NavigationViewKit, a SwiftUI extension, solves native NavigationView issues like root view navigation, code-based navigation, and inconsistent column displays. It offers convenient, SwiftUI-style navigation management.

How to Preview a SwiftUI View with Core Data Elements in Xcode

Aug 28, 2021 #SwiftUI #Core Data

Explore reasons for SwiftUI preview crashes with Core Data, learn to avoid them, and reliably preview views in Xcode. Includes tips on data management for previews.

Using UIKit Views in SwiftUI

Aug 23, 2021 #SwiftUI

Learn how to use UIKit views in SwiftUI, style them, and understand key considerations when wrapping a UITextField. Master UIViewRepresentable for seamless integration.

Mastering @AppStorage in SwiftUI

Jul 31, 2021 #SwiftUI

Explore efficient, secure @AppStorage usage in SwiftUI without third-party libs. Solve data type limits, tedious declarations, and injection issues. Includes central injection.

Adapting to iPad in SwiftUI

Oct 29, 2020 #SwiftUI

Explore insights and lessons learned while adapting a SwiftUI app for iPad. Learn about device detection, layout adjustments, and navigation challenges. Key code snippets included.

Discussing CoreData Usage in SwiftUI

Oct 28, 2020 #SwiftUI #Core Data

Explore lessons learned using CoreData in SwiftUI development over the past year. Discover insights on persistent storage, dynamic @FetchRequest, a transformation layer, and issues with NSPersistentCloudKitContainer. Avoid SQL thinking with CoreData.

Introducing Several Swift or SwiftUI Third-Party Libraries Used in Developing Health Notes 2

Oct 27, 2020 #SwiftUI #Dev Diary #Frameworks

Explore the open-source Swift and SwiftUI libraries used in Health Notes 2, including SwiftUIX, Charts, Introspect, SwiftDate and more. Enhance your iOS development!

Creating a Sheet in SwiftUI with Controllable Cancel Gestures

Sep 17, 2020 #SwiftUI

Create a real-time form within a SwiftUI Sheet, manage cancel gestures, and respond to form status changes. Learn how to control Sheet dismissal based on user edits.

How to Create a Real-Time Responsive Form in SwiftUI

Sep 4, 2020 #SwiftUI

Learn how to build real-time responsive forms in SwiftUI with MVVM. This article covers input validation, data handling, and creating a seamless user experience.

Pop Up Different Sheets in SwiftUI as Needed

Sep 4, 2020 #SwiftUI

Explore SwiftUI sheets, from basic usage to advanced techniques using item-based activation and reducer approaches to avoid crashes and improve code readability.

Discussing List and ForEach in SwiftUI

Aug 24, 2020 #SwiftUI

Explore SwiftUI List & ForEach: Discover performance issues with ForEach when handling large datasets & learn how to optimize with List or SwiftUIX. Learn when to use ForEach.

SwiftUIOverlayContainer — A SwiftUI Library for Creating Customized Popup Views

Aug 12, 2020 #SwiftUI #Frameworks

Create custom popup views easily with SwiftUIOverlayContainer. This library offers full control over animations, styles, & interactions, letting you focus on the view's content. Enhanced flexibility for SwiftUI popups.

Implementing the Side Menu for the iOS Mail App with SwiftUI

Aug 12, 2020 #SwiftUI #Frameworks

With the continuous improvement of SwiftUI 2.0, I feel it's time to make a major upgrade to my app. I've always wanted to implement an elegant side menu effect in my app similar to the iOS mail app, and I searched online for a solution. However, most of the implementations are for UIKit and there are not many project libraries that are well adapted to SwiftUI. I ended up implementing one myself in Xcode 12.

HowTo —— File Import and Export in SwiftUI 2.0

Jul 28, 2020 #SwiftUI

Explore SwiftUI 2.0's native file import & export. Learn about fileImporter, fileExporter, and fileMover, handling permissions, and sample code.

HowTo —— Using ScrollViewReader to Scroll to Position in SwiftUI 2.0

Jul 23, 2020 #SwiftUI

Learn how to use ScrollViewReader in SwiftUI 2.0 for easy scroll positioning using IDs, a departure from offset-based solutions. Includes examples & drawbacks.

HowTo —— Using ProgressView in SwiftUI 2.0 to Display Progress Bars

Jul 12, 2020 #SwiftUI

Explore SwiftUI 2.0's ProgressView for creating spinning indicators and linear progress bars. Learn to customize styles and use code examples to enhance your app.

HowTo —— Handling Universal Links with onOpenURL

Jul 11, 2020 #SwiftUI

Learn how to handle Universal Links in SwiftUI 2.0 using onOpenURL, a view modifier that simplifies URL handling, unlike AppDelegate. See example code and usage tips.

HowTo —— Use ToolBar to Replace navigationbarItems in SwiftUI2.0

Jul 10, 2020 #SwiftUI

Explore SwiftUI 2.0's ToolBar, a versatile replacement for navigationbarItems, offering enhanced multi-platform support and cleaner syntax. Learn its basic usage and adaptations.

HowTo —— Use Link or openURL to open URL scheme in SwiftUI2.0

Jul 10, 2020 #SwiftUI

Learn how to use Link and openURL in SwiftUI 2.0 to open URL schemes and launch other apps. Includes code examples for Safari, mail, and phone calls.

HowTO —— SwiftUI 2.0 LazyGrid

Jul 10, 2020 #SwiftUI

Explore SwiftUI 2.0's native Lazy Grid control (LazyVGrid & LazyHGrid), replacing third-party libraries. Learn basic usage, mixing grids, and dynamic layouts.

HowTo —— How to Use Label in SwiftUI 2.0

Jul 9, 2020 #SwiftUI

Learn how to use SwiftUI 2.0's Label for combining images & text. Explore custom styles & a custom Label widget for more control. Includes code examples.

HowTo - SwiftUI 2.0 LazyVStack and LazyHStack

Jul 9, 2020 #SwiftUI

Explore SwiftUI 2.0's LazyVStack & LazyHStack for optimized view rendering. Improve app performance with lazy loading. See basic usage & continuous list examples.

HowTo - Displaying Maps in a View with Swift 2.0

Jul 9, 2020 #SwiftUI

Learn how to easily display maps in your Swift 2.0 app using MapKit. This tutorial covers adding map elements, tracking user location, and custom markers.

SwiftUI 2.0 — Apps, Scenes, and New Code Structures (Part 2)

Jul 8, 2020 #SwiftUI

Explore SwiftUI 2.0's data flow enhancements with @AppStorage, @SceneStorage, and updated property wrappers. Learn to manage state and build efficient, modular apps.

SwiftUI 2.0 — App, Scene, and New Code Structure (Part 1)

Jul 8, 2020 #SwiftUI

Explore SwiftUI 2.0's App & Scene protocols, new data flow structures, and preset Scenes like WindowGroup & DocumentGroup. Learn system event responses and more.

@FocusedBinding Overview

Jul 5, 2020 #SwiftUI

Explore SwiftUI's @FocusedBinding for data sharing between views. Learn how to use FocusedValueKey to modify and bind data directly, bypassing traditional methods. Discover its uses and limitations.

SwiftUI 2.0 — Commands (macOS Menu)

Jun 27, 2020 #SwiftUI

Learn how to add custom menus in macOS using SwiftUI 2.0's Commands. Explore CommandMenu, Buttons, keyboard shortcuts, and more for enhanced app functionality.

SwiftUI 2.0 —— Research on @StateObject

Jun 26, 2020 #SwiftUI

Dive into SwiftUI 2.0's @StateObject, a new property wrapper for managing reference type data. Learn its lifecycle differences from @ObservedObject through practical examples and when to choose each for optimal data flow.

Single Source of Truth in SwiftUI: Is ObservableObject Enough?

May 17, 2020 #SwiftUI

Explore SwiftUI's ObservableObject with a single source of truth. Learn how to boost efficiency by reducing dependencies and using alternative data management.

@State Research in SwiftUI

May 17, 2020 #SwiftUI

Explore SwiftUI's @State: its implementation, operation, and how it drives views with data. Learn to extend its functionality with examples. Dive into reactive programming.