SwiftUI - The Good, the Bad, and the Benefits

Video

https://youtu.be/8X2GVqg2lUI

Full Article

SwiftUI: Everything is possible if you think like Apple

Related Episodes

Episode 12: iOS Developer Interviews with Alex BushEpisode 14: iOS App Architecture with René Cacheaux and Josh BerlinEpisode 18: WWDC 2019 - Apple Watch with Gary SaboEpisode 19: WWDC 2019 - Swift UI with Jason AndersonEpisode 20: WWDC 2019 - Mac Development with Daniel Jalkut

Related Links

Heartwitch - Live Stream Your Health Stats Right From Your Apple Watch - https://heartwitch.appLansingCodes - GitHub RepoPeopart ProjectDetroit Tech Watch - Getting Started with Swift and Apple Watch DevelopmentNo Overview AvailableGui Rambo - You Can Use SwiftUI Today

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Experience and Example Projects

Peopart ProjectDetroit Tech Watch - Getting Started with Swift and Apple Watch DevelopmentLansingCodes - GitHub RepoHeartwitch - Live Stream Your Health Stats Right From Your Apple Watch - https://heartwitch.app

Why SwiftUI Now?

Single Source of TruthDeclarative vs Imperative ProgrammingFunctional Reactive ProgrammingTerminology of SwiftUI and Apple

Why not SwiftUI?

Older Operating SystemsUsing Special UIKit Views and ControlsRequires Very Stable App with Good Documentation

Workarounds for SwiftUI

Preprocessor Directives and AttributesUIViewRepresentable and UIViewControllerRepresentable

When SwiftUI is Ideal

Simple UIApple WatchCutting Edge AudienceInternal ProjectsBrand New AppsCross Apple Platform

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Credits

Music from https://filmmusic.io
"Blippy Trance" by Kevin MacLeod (https://incompetech.com)
License: CC BY (http://creativecommons.org/licenses/by/4.0/)

Transcription

Leo Dion (Host): Welcome again to another episode of empowerapps.Show. Thank you for joining me. I'm the host, Leo Dion. This is the BrightDigit podcast where I talk about Swift development, development in the Apple ecosystem, and  just overall updates, changes in ways that managers, CTOs and developers can stay current and up to date with new things coming out when it comes to Swift and Apple products. 

[00:00:36] Today, I'm going to be talking a little bit more about SwiftUI -  the good, the bad, and the benefits. Specifically, I want to talk about my experience and examples of work that I've been doing in SwiftUI over the last few months, and then we'll be getting into why Swift UI is here, why Apple introduced it in 2019 we'll then be talking about why SwiftUI is not really a good use case in a lot of examples. I'll be talking about some workarounds about how to get around that if you still want to use Swift UI. And then we're getting into  when and where Swift UI is the ideal use and what apps or maybe  devices, where Swift UI really makes a lot of sense. 

[00:01:21] So I want to talk a little bit about my experience and examples of where I've been using Swift UI.

[00:01:27] So back in June, I actually did a workshop, and while it was the same month as WWDC, a couple of weeks actually afterwards, I ended up using UI kit for it.  I called it PeoPart because that's the random name generator - what it came up with. Essentially, it's a list of blog posts and comments that you can see on an iOS app.

[00:01:50] I use UIKit for this example. Because at the time I really didn't want to jump into SwiftUI with new developers and risk that. But I will say that with this application I am slowly migrating over to SwiftUI. So the sample app actually available for you on GitHub and they will share a link for folks later in the show  notes.

[00:02:16] But this is a example that I want to see what it'll do and what it will take to convert a UIKit app over to Swift UI and see what exactly happens when I do that. 

[00:02:29] he other example is a app that I'm using or a building for my local coding community. Lansing codes where people in Lansing can see what events and what meetups are taking place.

[00:02:43] It uses the Firebase backend and Web API that Eric, my colleague had built for the local community and uses combine, obviously along with Firebase. It uses Swift UI and I think it's a really great example of where I'm taking a fairly simple app, brand new, basically new app and building it into a iPhone app in this case. 

[00:03:09] Lastly, you probably heard, I've been working on an app called HeartTwitch ,an independent watch app. They use a Swift UI and Vapor as the backend, and the idea of this app is that live streamers can share their heart rate right from their Apple watch and then take that sharing to a web browser window.