Adventures in Swift and iOS App Development
You've probably used the Segmented control before like this one It's great for some simple uses but lacks flexibility. Besides using only text or single color icon, it doesn't work in vertical or other arrangements. Let's look at another solution: Using Button arrays. In the exercise files, I've set up for you a vertical stack …
Continue reading "Replace Segmented Controls with Button Arrays"
Here's an app I started from the downloaded example file. It is a restaurant check with a total, but I have to press the Order button to see the details in a table view on the next view controller. That button is a waste of real estate, and it would be nice to see the …
Note:You can find a video of this tip here on LinkedIn Learning If there's one thing in auto layout that drives me nuts it is laying out for landscape different than portrait on an iPad. Phones are easy since the class sizes are different for portrait and landscape. For all phones, if I have a …
Continue reading "Layout iPad Landscape and Multitasking Apps"
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 …
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 …
While doing some work on more material for the site in Swift playgrounds, I ran into a serious bug in the Swift Playgrounds for iPad. I made a short video to tell you're about it, and I've included an extended transcript afterwards. Hello Folks this is Steve from the iOS Development Tips Weekly series on …
Continue reading "Bug Workaround: Swift Playgrounds for iPad"
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 to the public. After that, you will need a subscription to get access to it. Click the image the left to view. You'll find a transcript below. One …
In the conclusion of our series on auto layout, we'll discuss the regular size for iPads and one side of the iPhone 6 plus. We'll make a line of evenly spaced buttons using auto layout, first for the iPad, then again for the iPhone 6 plus in landscape with its odd regular width, compact height …
Continue reading "Auto Layout and Size Classes: The Regular Size and Lining up Buttons Evenly"
[Updated to Swift 2.0/iOS9.0 9/18/15 SJL - errors corrected 11/20/15] I'm color blind, and that makes me a very good person to teach you about color and UIColor. I've painted for many years and my color blindness does not detract but actually helps me pick colors. These two examples, one a water-color of mine from …
Continue reading "Swift Swift: Using Color and UIColor in Swift Part 1: RGB"
