LearningSwift

A list of guides of Swift based in playgrounds

Swift Playground

This playground provides a modified version of Apple’s playground Swift Tour tutorial.

Exercises

The main playground contains a section with multiple exercises in order to consolidate learning.

SwiftUI Playground

This playground provides a version of Apple’s Building Lists and Navigation tutorial.

Implementation

A UIHostingController can be used in a Playground Live View like this:

PlaygroundPage.current.liveView = UIHostingController(rootView: PlaygroundRootView())

The given root view must be public, along with its init() and body:

public struct PlaygroundRootView: View {
    public init() {}
    
    public var body: some View {
        LandmarkList()
    }
}

Execution

Press the blue Play button next to the PlaygroundPage.current.liveView line or type ⇧⌘↵ to run the Playground.

Combine Playground

This playground will help you to get started with Combine - Apple Developer Documentation.

• What is Combine?
• Publishers & Subscribers
• Rules of subscriptions
• Foundation and Combine
• @Published property and bindings
• Memory management explained with AnyCancellable
• Flatmap and matching error types
• Combining Publishers
• Future and Promises
• Custom Publisher and UIKit extensions
• Debugging publishers

Requirements

• Xcode 11