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UIColor Class Extensions
A couple of weeks ago, I added a column on converting hex colors to UIColor. That was a function you had to copy and paste into your code. I’ve also shown you how to use the assets to keep color names handy. What would be even better is to do all that directly from UIColor.…
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Find a Language Quickly from Text
You can find a video of this lesson on iOS Development Tips Weekly from LinkedIn Learning. There’s a lot you can do with language easily in iOS and Watch OS. The Apple ecosystem has a Natural Language Processing (NLP ) system built in and easy to use. Let’s look at language recognition. Download the starter…
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Pokemon Go Fest Info — How to Get There
A little bit off the usual stuff here, but I’m going to Pokemon Go fest, And I think a lot of people are going run into problems which I’d love to minimize if possible. I’m not a CTA employee, but your’e going to find public transit will be very useful during Go Fest, so I…
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Animated Emoji on the Apple Watch
I love the animated emoji on the apple watch. However I didn’t talk about it when I did the text input video for The Apple watchOS 4 App Development Essential Training, so here’s my chance to correct that. There’s some good news and bad news about implementation of this fun feature. The good news is…
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A Developer Preview of WWDC 2018
We are once again getting close to the time for Apple’s World Wide Developers conference, and like every year, the press is busy trying to predict and preview what is ahead for the first week in June. Once again, they will completely miss the point or get it totally wrong. The WWDC is a place…
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Apple Pencil Basics
The Apple pencil adds more functionality to tablets than finger touch, even though you use the same code. Let’s do a quick explore of the Apple Pencil, and see how easy it is to add support in your app. Download the starter app. It’s a Swift playground I’ll be using on my iPad so I…
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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: Tap A Map
Most map applications let you select a point on the map. However, touching a map usually is only for moving a map around. You might want to get a coordinate at a user’s tap. In this tip, I’ll show you how to get the coordinate, and place a marker there. Download the starter file and…
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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…
Make App Pie
Training for iOS Developers and Artists
Make App Pie 