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While I’m sure you’re keen to get started programming immediately, please give me a few minutes to outline the goals of this course and explain why it’s different from other courses I’ve written.
Trees are an extraordinarily simple, extraordinarily useful data type, and in this article we’ll make a complete tree data type using Swift in just a few minutes. But rather than just stop there, we’re going to do something quite beautiful that I hope will blow your mind while teaching you something useful.
In this article I’m going to walk you through building a
WaveView with SwiftUI, allowing us to create beautiful waveform-like effects to bring your user interface to life.
Phantom types are a powerful way to give the Swift compiler extra information about our code so that it can stop us from making mistakes. In this article I’m going to explain how they work and why you’d want them, as well as providing lots of hands-on examples you can try.
In this article you’ll learn how memoization can dramatically boost the performance of slow functions, and how easy Swift makes it thanks to its generics and closures.
Now that we have our basic data model configured and coded, we can put it to use by building a simple user interface to help make sure our data is in place and working correctly.
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.
In the first part of this tutorial we looked at the underlying problem that type erasure is trying to solve, and tried out Swift’s approach using
AnySequence. In this second part we’re going to adapt Swift’s own solution to get real type erasure for our own code.
When users scroll beyond the top of a scroll view the default behavior is to show some empty space, but many apps prefer to show a stretchy header area instead. In this article I’ll show you how to build that SwiftUI, making an image that stays fixed to the top no matter what.
ButtonStyle lets us focus on how our buttons look, but not how they work, which in many situations is valuable. In this article we’ll look at a more advanced protocol,
PrimitiveButtonStyle, and see how that gives us complete control over button functionality.
Rather than calling
update() when our view disappears, what we really want to do is update the object before the disappear happens. In this article I’ll show you the SwiftUI native way of doing this, then walk you through an alternative that I prefer.
ProgressView gives us control over showing determinate or indeterminate progress, but it’s a bit dull – just a thin line and an activity spinner. Fortunately, we also get the
ProgressViewStyle protocol so we can build entirely custom progress views, and in this article I’ll show you how it’s done.
If you’re looking for a simple and fun special effect to add to your code, I’ve got just the thing for you. In this article I’m going to walk you through building a
FlipView with SwiftUI, which will encapsulate how to move between a front view and a back view using a 3D flip animation.
Pie charts are a classic way of showing divided data visually, and they represent interesting challenges around sizing and angles. In this article we’ll build a complete pie chart view from scratch using SwiftUI, ensuring it works using animation, and also modify it to support donut-style charts too.
In this second tutorial on generics, we’re going to explore creating several different generic types, look at extending generics, and look at how we can apply our generics knowledge to create property wrappers.
Arrays and sets have their own advantages and disadvantages, but what if we could combine them both to make an ordered set? We can! And in this article that’s exactly what we’ll do.
SwiftUI gives us a modifier to make simple shadows, but if you want something more advanced such as inner shadows or glows, you need to do extra work. In this article I’ll show you how to get both those effects and more in a customizable, flexible way.
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.
Anyone can write Swift code to fetch network data, but much harder is knowing how to write code to do it respectfully. In this article we’ll look at building a considerate network stack, taking into account the user’s connection, preferences, and more.
In a previous article I showed you a smart, simple and safe way of fetching data from the internet using Combine. This article I want to look at how to handle multiple network requests safely, ensuring that both complete before you update your user interface.
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