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📘 Working with Data in SwiftUI

A visual reference guide for managing and handling data in SwiftUI. This book covers fundamental concepts, practical examples, and advanced techniques for working with various data sources in SwiftUI applications.

Details

URL: 🔗 https://www.bigmountainstudio.com/essentials

Published: November 16, 2023

Authors: Mark Moeykens

Tags:
SwiftUI, Data Management, iOS Development, Programming, Visual Guide

Key Points​

  • Visual and practical reference guide for managing data in SwiftUI
  • Detailed explanations of SwiftUI data handling concepts and techniques
  • Practical examples and step-by-step tutorials
  • Covers basic to advanced topics, including state management, property wrappers, JSON handling, and architecture

Summary of Contents​

  • Book Conventions:

    • Explanation of formatting, embedded videos, and custom code conventions
    • Requirement for familiarity with SwiftUI

  • Architecture:

    • Overview of VOODO architecture: View, Observable Object, Data Object
    • Strategies for organizing and managing project files
    • Use of mock data and dependency injection for previews and testing

  • Struct Properties:

    • Understanding the immutability of struct variables
    • Techniques for passing and changing values using property wrappers

  • Property Wrappers:

    • Introduction to property wrappers and their usage in Swift
    • Examples of custom property wrappers and SwiftUI’s built-in wrappers

  • @State:

    • Usage of @State for mutable properties and state persistence
    • Techniques for creating one-way and two-way bindings with @State

  • @Binding:

    • Creating bindings between parent and child views
    • Techniques for passing and updating @State properties in subviews

  • @Observable:

    • Using @Observable for classes as a source of truth in SwiftUI
    • Techniques for one-way and two-way bindings with observable classes
    • Handling private properties and observation ignored properties

  • @AppStorage and @SceneStorage:

    • Using @AppStorage and @SceneStorage for data persistence across app launches and sessions
    • Examples and best practices for managing user data

  • Working with JSON:

    • Creating data objects for easy JSON parsing and serialization
    • Techniques for handling JSON data from web services

  • Input & Event Modifiers:

    • Responding to data changes and user interactions
    • Techniques for creating responsive and interactive UIs

Conclusion​

  • Recap of key data handling concepts in SwiftUI
  • Encouragement to explore and experiment with different techniques for effective data management in SwiftUI applications
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