Category: iOS 11
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Tip: Update an Old App
You’ve probably had it happen to you. You find a project on GitHub in Swift 3 you want to look at or update. You might have an old project Apple is urging you to update or kick out of the app store.. There were a few changes in Swift 4 and Xcode 9 that make…
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Tip: Deep Dive into Any? Dictionaries
In many factory methods, you’ll find parameters with type Any? like this: userInfo parameters in iOS and context in watchOS use these. You can place anything there, but most often, you’ll use a dictionary of type [String:Any]. This is a great way of moving multiple values from one method to another without making a class…
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Tip: Hex Colors
There’s lot of ways to represent colors. Crayons have names like Sea Green and Peach. I used these two colors since I’m color blind and they once got me in serious trouble when I was young. I and many with color blindness can’t tell them apart easily. Knowing some other identifying system is critical in describing…
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Tip: Image Literals
iOS Development tips weekly is a series you can find at the Lynda.com and LinkedIn Learning libraries. The first week of a week’s tip will be available for free. After that, you will need a subscription to get access to it. Click the image at left to view. You’ll find an amended transcript below. You’ve…