Book Image

An iOS Developer's Guide to SwiftUI

By : Michele Fadda
Book Image

An iOS Developer's Guide to SwiftUI

By: Michele Fadda

Overview of this book

– SwiftUI transforms Apple Platform app development with intuitive Swift code for seamless UI design. – Explore SwiftUI's declarative programming: define what the app should look like and do, while the OS handles the heavy lifting. – Hands-on approach covers SwiftUI fundamentals and often-omitted parts in introductory guides. – Progress from creating views and modifiers to intricate, responsive UIs and advanced techniques for complex apps. – Focus on new features in asynchronous programming and architecture patterns for efficient, modern app design. – Learn UIKit and SwiftUI integration, plus how to run tests for SwiftUI applications. – Gain confidence to harness SwiftUI's full potential for building professional-grade apps across Apple devices.
Table of Contents (25 chapters)
Free Chapter
1
Part 1: Simple Views
5
Part 2: Scrollable Views
8
Part 3: SwiftUI Navigation
11
Part 4: Graphics and Animation
14
Part 5: App Architecture
17
Part 6: Beyond Basics

Using navigationDestination with NavigationStack

This is a feature introduced with SwiftUI 4 that is available with iOS 16. Another common use of .navigationDestination is passing an element from a list to a destination view, using a NavigationLink.

Let’s begin with a simple array inside a List.

Here is our code example:

import SwiftUI
struct EmployeeView: View {
    let name: String
    var body: some View {
        Text("\(name)")
            .font(.largeTitle)
            .navigationTitle("Selected employee")
            .foregroundColor(.secondary)
    }
}
struct ContentView: View {
    let employee = [
        ...