Make App Pie
Training and Instructional Design
Tag: swift
Segue Actions
If you’ve been working with View controllers for a while, you’ve probably dealt with prepareForSegue. In Xcode 11, there’s a new way to handle this that makes a little more sense: Segue actions. Let’s take a look at this feature. If you download the…
Use Sets in Swift
Of the most underrated collection types is sets. Sets are an unordered collection with unique values. Let’s take a look at what you can do with sets. Download the exercise files and you’ll find I created playground with a Struct called Pizza. I’ve made…
Change UIColors to RGB and HSB colors
One dilemma you’ll find when working with colors is switching between color systems. There’s two you’ll most often be using: the Red-Green-Blue or RGB and Hue-Saturation-Brightness or HSB. Download the Exercise file and run. It will give you the HSB value, but what if…
Use Dynamic Type
For reading ease and visual accessibility you should be using dynamic fonts whenever possible. Let’s look at an example you can get from the download files. I’ve run the Split View Controller from a previous tip in landscape on an iPad Pro 9.7 inch….
Understand ARC
One of those difficult things for even experienced developers to understand is Automatic Reference Counting, or ARC. It is how Swift manages and conserves memory automatically. Take a look at the Exercise file. I have a playground in this project with two classes. One…
Understand Closures
You’ll find closures throughout the API’s, but you may not know how to use them properly. Let’s take a basic tour of closures. Download the exercise file, and you’ll find a project with a playground. In the playground you’ll find a function to compute…
Thrown Errors
There’s many ways to handle errors in Swift. For some errors, using throws is a great way to handle errors without crashing the system. Download the exercise file. You’ll find a project with an embedded playground. While there’s a lot better ways to do…
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Current Published Works
Pratical Autolayout
for Xcode 8
In Practical Auto Layout for Xcode 8, using simple, practical, easy to follow examples, you will learn how to master auto layout, size classes and stack views on the Xcode 8 storyboard. Using easy to follow examples, you will learn how to make universal apps quickly easily and in far less time than ever before.
Swift Swift:
View Controllers
You will learn to use auto layout, size classes and new Swift implementations of view controllers. With plenty of color illustrations and code snippets, Swift Swift View Controllers will take you step by step through many easy demonstrations, teaching you the stuff you really need to know to implement any of these view controllers.
Available on
