Adventures in Swift and iOS App Development
In an earlier tip, I showed you how to make a map in iPad Playgrounds. Let's learn how to animate those maps, doing a flyover of Michigan avenue in Chicago from The former home of Chess Records at 2120 South Michigan Avenue (immortalized in the Rolling Stones song) and past Grant park to North Avenue …
It's buried in the docs, so you might not know how inaccurate Timer objects can be if you are trying to show the time. Let's look at that inaccuracy and how to work around it. You'll find in the exercise file on GitHub a starter project where I've put together a demo app with three …
Learn how to set dates, times and time zones in iOS using the DateComponent Object. Learn an easy way to make a valid DateComponent.
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 primary types for working with time: TimeInterval and Date. Add this …
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. …
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 …
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 …
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 …
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 …
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 …
