CombineMe

SwiftUI / Combine

Tutorial for 360iDev 2021 Conference :-)

video from last year! [On YouTube] (https://www.youtube.com/watch?v=2eezk9u2lcE&list=PLnD_TKDSaFyXBC1yqsWCdBMmV4Gq99u7u&index=3)

Requirements Mac OS 10.15.6 or newer because we are using XCode 13 Beta 5.

If you do not have these you can still follow along ... We will work in pure SwiftUI (No UIKit)

Talks covering both Android and iOS (given @ GDG SF / Berkley) https://docs.google.com/presentation/d/1nVVyWUnnenSJa-vyr_B0sfYr9uPhFFzJyUdKu3NmwrU/edit?ts=60f89549#slide=id.p

Schedule

Start (9am) - End (12:30pm)

We start with a presentation covering Why SwiftUI? / Combine Framework. Slides

9am - 9:30am - Swift 5.3 / 5.4 / (5.5?) (Review)

Part 1 Slides 1 - 22 [Swift 5 Lang Playgrounds]

Basic language constructs
Methods, Functions, Closures (escaping)
Property Wrappers
Swift Package Manager -- https://github.com/onevcat/Kingfisher - example
MVVM Architecture explained

9:30am - 10pm - SwiftUI 3 (Tutorial)

Part 2 Slides 23 - 51 [SwiftUI Playground Tutorials]

XCode Design Tools / Preview
Layouts Views
Modifiers
V/H/Z Stacks
List, Forms and Containers
Animations
UserInput (Tap Gesture & Sliders / Toggle / Picker / Stepper)
Alerts / Action Sheets
Navigation
Data Flow with Combine Framework

10am - 10:30am SwiftUI State Management (Tutorial)

Part 3 Slides 51 - 61 [SwiftUI State Managment Playground Tutorials] Cold vs Hot Stream

@State
@Binding
@StateObject
@ObservedObject
@AppStorage
@SceneStorage
@EnvironmentObject

Combine Famework (Tutorial)

Part 4 Slides 61 - end [Combine Playground Tutorials]

Publisher
Subject
Operators
Subscriber
SwiftUI Property Wrappers
Codable / JSON

Orig Credit for Combine Playgrounds

Combine / SwiftUI Code Project

10:30am - 11:30am Project Setup

UI Bike Sharing Project

11:30pm - 12pm Project Development

Data Bike Sharing Project

testing
Questions
Review the day.

Resources

API generator https://app.quicktype.io

SwiftUI

Combine Tutorial
- (Apple)[https://developer.apple.com/documentation/combine]
* https://www.donnywals.com/an-introduction-to-combine/ - done
* https://www.raywenderlich.com/7864801-combine-getting-started
* https://theswiftdev.com/the-ultimate-combine-framework-tutorial-in-swift/
* https://www.swiftbysundell.com/basics/combine/
* https://www.avanderlee.com/swift/combine/
* https://www.vadimbulavin.com/swift-combine-framework-tutorial-getting-started/

SwiftUI
* https://swiftuihub.com/swiftui-tutorials/combine/
* https://www.andrewcbancroft.com/blog/ios-development/ui-work/swiftui-essentials-playgrounds/

Whats new in Swfit 3.0
enable pull to refresh
add a search bar to filter your data
add custom swipe action buttons to a List row
load a remote image from a URL
add visual effect blurs
add a toolbar to the keyboard
run an asynchronous task when a view is shown


MVVM Arch

* https://github.com/kitasuke/SwiftUI-MVVM
https://quickbirdstudios.com/blog/swiftui-architecture-redux-mvvm/
https://github.com/quickbirdstudios/SwiftUI-Architectures/blob/master/README/MVVM.jpeg

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