Archive

In this tutorial we will look at one of the newer features in iOS 12, Siri shortcuts. With Siri shortcuts you can make it so a user can easily use Siri to run a custom action in your app! For example you can let Siri order a Pizza, if your app was all about Pizza […]

By the end of this tutorial you will be able to use the Tesseract OCR library to recognize text in images. I have tried the following methods with the following success rates on the images in this tutorial Core ML – 50% Swift OCR – 70-80% Tesseract OCR – 100% Setting up Tesseract OCR We […]

You may have used or read about Apple’s Core ML which brings machine learning to your app. In this tutorial we will be training our own custom Core ML model to recognize images of cats, emu’s and dolphins. So by the end of this tutorial you will be able to train your own custom model […]

Protocol based programming is a difficult concept to initially understand in Swift. In this tutorial we cover this in an intuitive way so you too can take full advantage of protocol based programming. Your first protocol Create a new single view application in XCode. Then add a new blank Swift file with File–>New–>Swift File. Name […]

In this tutorial we look at how to add 2D objects with ARKit. We achieve this be making a simple soccer players and also create a simple pong demo! Lets get into it. An on a quick note you need iOS 11 or greater to run ARKit apps. Our end result will look like the […]

Since iOS 10.3 Apple has provided a way to request for an app review / rating inside your app. As of iOS 11 you will be required to implement it this way vs using third party methods. So lets look at how we can code it. Simply add the following block of code to request […]

We learn how to make a multi line label in Swift, and other methods for fitting text into a label in Swift. First of all create a new single view application in XCode and add 4 labels to your storyboard as follows: Multi Line Label Set the text on the labels to “Hello this is […]

Turning a plain old square image to a a nice circle image in Swift is quite simple. In this tutorial you will learn how to do this and also how to create an extension out of it to easily reuse it in your future apps. First of all create a new single view application. Add […]

Currying allows you to turn a single function with multiple arguments into a series of functions – each with one argument. This allows you to store variables in functions and also create functions that return functions. Functions that return functions First of all lets look at a function that returns a function. The following code […]

In this tutorial we take a look at the newly ARKit introduced at WWDC 2017. You can use it with Swift 4 & iOS11 onwards. ARKit allows you to easily create augmented reality apps that have good performance. Storyboard Setup First of all setup the Main.storyboard as follows: ARSCNView with constraints to take up the […]