Make App Pie
Training and Instructional Design
Tag: iPhone Programming
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…
Programmatically Add Split View Controllers
An often ignored but rather powerful View Controller is the UISplitViewController. You can make one from a template and the storyboard, but I often skip both and do it programmatically, which is especially good when I’m prototyping in a playground. Let’s give it a…
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…
Tip: Add Drop Shadows
A video of this tip can be found on LinkedIn Learning User Interfaces often use shadows to make them look less flat, but it isn’t obvious how to add one to a view on your app. In this tip, I’ll show you how to…
Make Round Buttons and UIViews
In the good old days, Apple used a lot of rounded corner buttons. Many developers use several images to get the effect of round buttons. The CALayer of UIButton does have a feature for you to easily get rounded corners, and even circular buttons….
Date and Time in iOS
The song says time is on my side, but I sometimes I wonder about that when trying to work with the time types in iOS. Let me show you some of the time types. In Xcode, Open up a blank playground. There are two…
This Old App: Update to Xcode 9
A few months ago, Apple threw out my app Interval Runcalc for being too old. While it wasn’t the most innovative, complex or profitable, it was an app I used frequently myself. It was a calculator for time, pace and distance for running not…
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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
