Designing Animations with UIViewPropertyAnimator in iOS 10 and Swift 3 This is part of a series of tutorials introducing new features in iOS 10, the Swift programming language, and the new XCode 8 beta, which were just announced at WWDC 16 UIKit in iOS 10 now has “new object-based, fully interactive and interruptible animation support…
Category: Guest Post
How To Migrate Your App And Protect It From Shutdowns Like Parse’s
How To Migrate Your App And Protect It From Shutdowns Like Parse’s Editor’s Note: This article is written by Reinder de Vries, indie app developer at LearnAppMaking.com. Oh no! Parse is shutting down… How do you move on? On January 28th Parse announced it will be shutting down its service. They’re winding down the done-for-you…
List Comprehensions and Performance With Swift
This post written on August 15, 2015 to be compatible with Xcode 6 and Swift 1.2 List comprehensions provide a concise way to create lists. You can accomplish list comprehension-like operations in Swift even though list comprehensions are not mentioned in the Swift language guide. Say you want to create a list of squares, like:…
Function Currying in Swift
Function Currying in Swift The concept of currying is that instead of accepting multiple arguments, a function accepts only one, and returns a function which acepts the remaining arguments. The returned function will also accept only one argument, and returns another function. This process continues until all arguments are exhausted and we are left only…
Functional Programming in Swift
Thoughts on Functional Programming in Swift Like most of you, I have to use Objective-C at my day job. I could only craft my Swift skills at night. Swift is not a purely functional language. It can be use imperatively because all frameworks from Apple are written in Objective-C at the time of writing. However,…
Local Notifications in iOS 10 with Swift (Part 1)
This post has been updated for compatibility with XCode 8 and iOS 10 Local notifications are a simple way to display information to your user even when your app is in the background. They allow you to display an alert, play a sound or badge your app’s icon. Local notifications can be triggered at a scheduled time…
Local Notifications in iOS 9+ with Swift (Part 2)
This post has been updated for compatibility with XCode 8 and iOS 10 In part 1 of this series, we created a simple to-do list application that used local notifications to alert users when to-do items were overdue. This time, we’re going to build on that the project by enabling application icon badges to display the…
Core Animation Swift Tutorial – Animatable Properties
This tutorial series requires a basic understanding of UIView hierarchy. If you are new to iOS development, you might want to begin with Developing iOS Apps Using Swift first. When you first hear about Core Animation, you might think it is all about animation. However, animation is only a part of this framework. Core Animation…
Drawing Custom Views With Swift – Andrew VanWagoner
One of my readers, Andrew VanWagoner, decided to put together a short tutorial that follows up the iOS 8 Swift Tutorial I put together last month. So I’m sharing it here with you all! Andrew is a Senior Software Engineer working for Adobe in Lehi, Utah. You can find out more about Andrew at his…