Where the world learns Swift.
With more free Swift tutorials than any other site, Hacking with Swift will help you learn app development with UIKit and SwiftUI. Search the site, or choose a learning path below.
“Great to see free intro to Swift programming content that is so well done!”
Chris Lattner, creator of Swift
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Latest Articles
NEWS
Introducing Inferno: Metal shaders for SwiftUI
SwiftUI for iOS 17 and macOS Sonoma come with a fantastic new superpower: the ability to transform any SwiftUI view with Metal shaders, all hardware accelerated so complex effects run at lightning fast speeds even on old devices.
TIPS
I screwed up one key accessibility behavior, and now I'm on a mission to do better
If you’ve followed any of my tutorials, you’ll know I make a point of teaching accessibility to everyone – I want to make sure that whether someone is learning SwiftUI or already has a lot of experience with it, they know that accessibility needs to be baked into their work.
NEWS
What’s new in SwiftUI for iOS 17
SwiftUI continues to evolve at a rapid pace, and this year has seen a huge number of improvements to scroll views, fun new SF Symbols effects, advanced support for Metal shaders, and more.
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Latest Example Code
Availability: iOS 12.0+
How to lemmatize text using NLTagger
Availability: iOS 3.2+
How to create custom text input using UIKeyInput
Availability: iOS 13.4+
How to detect keyboard input using pressesBegan() and pressesEnded()
Availability: iOS 12.0+
How to group user notifications using threadIdentifier and summaryArgument
Availability: iOS 2.0+
How to convert dates and times to a string using DateFormatter
Availability: iOS 2.0+
How to make one operation wait for another to complete using addDependency()
Availability: iOS 8.0+
How to convert between camel case and snake case with Codable and keyEncodingStrategy
Availability: iOS 11.0+
How to make a network request wait for an internet connection using waitsForConnectivity
Availability: iOS 8.0+
What’s the difference between leading, trailing, left, and right anchors?
Availability: iOS 13.0+
How to set the clock in the iOS Simulator
Availability: iOS 8.0+
How to check whether one date is similar to another
Availability: iOS 13.0+
How to benchmark app launch time using XCTOSSignpostMetric.applicationLaunch
Learn the smart way
Hacking with Swift builds on extensive research into learning and memory, to help you learn app development faster and more thoroughly.
Spaced Repetition
Our courses cover the important topics of app development, and repeat them at spaced intervals to help them sink into your long-term memory.
Interactive Review
We have thousands of questions and challenges to test your knowledge at every point along the way, ensuring you can apply what you've learned.
Hands-on Coding
It's not enough just to follow tutorials, which is why we get you writing your own apps as fast as possible – all with careful guidance and support.
Go Further
The vast amount of free content on Hacking with Swift is supported through the sale of books and courses that teach a wide range of more advanced topics. So, when you're ready to take your skills further check out the books below – and thank you for your support!
“The projects in this course are created in a way to expose you to real-world code – very practical and extensible! Highly recommended.”
Marc Aupont on Hacking with Swift
“Just finished reading Swift Design Patterns. It's awesome, just like other books by Paul. It helped me a lot to understand some iOS aspects deeply.”
Anton Novoselov on Swift Design Patterns
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“I'm a huge fan of Paul Hudson – more than an in-depth source of technical information, its super easy to understand and learning from him is inspiring!”
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“Paul Hudson is a Swift community treasure. I regularly turn to Pro Swift and Paul's other books for reference and inspiration. Thank you!”
John Gallaugher on Pro Swift
“I love the work Paul does. He has a real talent for making complex topics obtainable, fun, and engaging!”
Caleb Basinger on Hacking with Swift
“The entire Hacking with Swift series is great! Swift Coding Challenges forces me to think abstractly and dig into the code more than ever.”
Dan O’Leary on Swift Coding Challenges
“Paul's book does an amazing job teaching beginners how to use server-side Swift in an effective, testable, efficient way.”
Jimmy McDermott on Server-Side Swift
“Everything that you need, nothing that you don't. Paul does a great job of explaining even the most advanced concepts in an easy to understand manner.”
Zach Fuller on Pro Swift
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About Me
My name is Paul Hudson, and I wrote Hacking with Swift to help you learn to make apps for iOS, macOS, watchOS, and more.
On this site you can find my free Swift tutorials, lots of other awesome Swift books I wrote, a huge collection of Swift example code, plus Swift news, tips, and tutorials to help take your learning further.
I've already helped thousands of people to learn Swift coding, and I'd love to help you too. Feel free to get in touch if you have questions – you can email me at paul@hackingwithswift.com or tweet me @twostraws.
