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Hacking with Swift+ is a subscription service that delivers incredible, hands-on Swift tutorials, so you can deepen your understanding of Swift, SwiftUI, UIKit, and more, and take your career to the next level.
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Once you've subscribed for 18 months, you get free online access to over a dozen of my books to expand your learning even further, including:
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filter()
, map()
, and reduce()
.UserDefaults
and Measurement
.PLUS: A huge and growing collection of solutions for challenges in the 100 Days of SwiftUI and elsewhere, a complete archive of HWS+ live streams, access to videos from Hacking with Swift Live 2020 and 2021.
Even more courses are on the way: debugging, testing, and of course lots more SwiftUI – I have an epic collection of tutorials coming, and I can’t wait to share them all with you.
Your Hacking with Swift+ membership gets you every subscriber-only article and video published now and in the future, plus an incredible amount of extras!
Every subscriber gets immediate access to the full range amazing tutorials written for Hacking with Swift+ subscribers, plus the ad-free browsing experience, downloadable projects, monthly live streams, private forum access, and more.
But above and beyond all that you'll also receive exclusive subscriber-only thank you gifts every year – it's the least I can do to show how grateful I am that you're supporting my work.
This has some important terms and conditions, so please read the following carefully!
Start your HWS+ subscription today and start learning immediately, plus get access to the private members forum, enjoy ad-free site browsing, join my monthly live streams, and more.
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Does this subscription give me all your books?
The articles produced for Hacking with Swift+ are all new and exclusive to subscribers, but after subscribing for 18 months you'll also gain free online access to over a dozen of my books. This means your subscription grows as you do, making Hacking with Swift+ the largest and most comprehensive subscription around.
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Each year of your subscription we'll mail out free gifts, as a thank you for supporting the site. These include pin metal badges, magnets, stickers, coasters, and more – we think you'll love them! If you take out an annual subscription, we send out your first year's gifts immediately.
What happens in the monthly live streams?
Every Hacking with Swift+ subscriber is invited to join my private monthly live streams on YouTube, where I build a complete app from scratch while answering questions along the way. This is your chance to get involved and explore projects being written live, and these streams are always hugely popular.
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All live streams are recorded, and posted onto the main Hacking with Swift+ site afterwards. Even better, they include a full transcript alongside, so if you prefer text tutorials to video tutorials you have that option.
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Is Hacking with Swift+ suitable for absolute beginners?
If you're an absolute beginner you should start with my free 100 Days of SwiftUI course, which teaches you the fundamentals of Swift and SwiftUI. However, Hacking with Swift+ includes complete solutions to all the checkpoints and milestones in the 100 Days of SwiftUI series, making it the perfect companion as you're learning.
What's more, Hacking with Swift+ will grow with you once you've finished learning – it has a wide range of intermediate to advanced Swift techniques and tutorials that will keep pushing your skills further, no matter what your goal.
Some sites claim to have thousands of videos – why is HWS+ better?
Hacking with Swift+ focuses firmly on two things:
How much does it cost?
Hacking with Swift+ costs $20 a month or $200 a year, per seat. Your membership includes all subscriber-only videos and articles available now and published in the future, for as long as your membership remains active. You can cancel your membership at any time, and your access will continue until your term ends.
What's the difference between Monthly and Yearly subscriptions?
Hacking with Swift+ is $20 per month, and you can cancel whenever you want. If you intend to work through many articles and really push your learning forward, you should consider the yearly subscription option, which is $200 for 12 months – a saving of $40.
Both tiers get access to exactly the same high-quality videos, articles, and source code. The only difference is that with the Yearly tier you save $40 every year, making it better value for money.
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Yes! Many Hacking with Swift+ articles end with challenges to help you take your learning further – code to try, problems to solve, questions to consider, and more.
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If you live in a country or state where tax is applied to digital purchases, that will be added to your subscription price. As you might imagine there isn't a lot I can do about that.
Will you still make free tutorials?
Yes, absolutely! I believe it's important to help everyone learn, so I will still be publishing as many free tutorials as I can. This won't be affected by Hacking with Swift+.
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The A* algorithm for path finding is not the perfect way to find an optimal route between two nodes in a graph, but it is either the best or darned close most of the time and that makes it a fantastic one to learn for both games and apps alike.
The flood fill approach to path finding is one of the easiest to learn, works great in games with small maps, and is also commonly used in software – filling a picture with color, for example. In this article I’ll walk you through how the algorithm works, and help you build a visual representation of it in action.
One of the most fascinating and beautiful effects in the Weather app is the use of rain and snow: some particles that fall gracefully, and some that pile up on the user interface. Building this means taking your Canvas
skill up a notch, so let’s get into it…
Instruments is a powerful tool for identifying performance problems, but in this article I’ll show you how to find code that slows down rendering in your app, causing slow scrolling, wasted CPU time, and more – all through the simulator.
UPDATED: Even after writing stacks of unit tests, chances are your test coverage is still only around 50%. Those units tests are really important, but if you really want great test coverage you need to add some UI tests and that’s exactly what we’re going to work on here.
How we write tests continues to evolve just as quickly as how we write production code, and that’s important – you should, after all, treat your tests with the same level as care as code you ship. In this article we’ll look at a handful of useful techniques to help write better tests with modern Swift.
SwiftUI’s humble Button
view is actually capable of doing remarkable things if you take the time to customize it. In this video I’ll be walking you through the ButtonStyle
protocol, showing you how we can use it to make great-looking and reusable button effects.
UPDATED: As folks have worked their way through the series so far, they’ve sent in various questions about implementation choices and more. In this article I want to address the most common questions asked so far, so that everyone can benefit.
UPDATED: Our app was designed to work in English, and although you might not want to change that your should at least be able to change. Let’s fix that now…
Many apps show lots of data in a list, and allow users to filter that list by typing in a text view. In this article we’re going to build that in SwiftUI, then pull it out into a reusable component you can apply anywhere.
Now that you’ve had a taste of how async/await code looks, let’s break down what we just saw and examine how asynchronous functions work behind the scenes, and how we can move over to async let
with surprising ease.
Swift’s optionals are a real power feature of the language, but without direct compiler support they would be quite onerous. Optional chaining is one part of that support, so be prepared to answer exactly what part it plays.
This question is really two separate things in one: are you the kind of person who actively keeps learning about what’s happening in Swift, and do you try to be part of the community?
Whether you use UIKit or SwiftUI, size classes are Apple’s broad-stroked approach to providing information about the available space for our UI.
In this part we’ll work through another task to help you try out labels in Journeys, then move on to explore scaled metrics and the beginnings of matched geometry effects.
UPDATED: Our app relies extensively on user data, so if there’s one part of it that absolutely must be bullet proof it’s our Core Data stack. In this article we’ll explore writing tests for our data, including tags, issues, and awards.
In part one of this tutorial we looked at how to customize string interpolations on a type-by-type basis, giving you more control over how your code works. In this second part we’ll look at a second powerful use for interpolation: building whole types from scratch.
The last major piece of CloudKit work we’re going to add will let users post comments on shared projects – hopefully encouraging ones! This will combine querying and writing CloudKit data in a single part of our app, and also demonstrate how to write single records rather than several at once.
In this part we’re going to wrap up our look at the new UICollectionView
features, then move on to exploring the new UIAction
and menu systems for buttons and more.
If there’s one data structure they just love teaching you at school, it’s linked lists. In this article we’re going to look at why linked lists are so appealing, walk through how to build a linked list with Swift, and look at an alternative approach using enums.
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