Tag: Swift playgrounds

• March 20, 2019

  Ranges in Swift

  

  You’ve probably used ranges in loops, without knowing it, but ranges are really a type in Swift. Have you ever thought about ranges and all their power? I’ll show you a few things you might want to know about Swift ranges. I’ve put a playground into a Project for an exercise file. I added there an…
• May 30, 2018

  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…
• May 7, 2018

  Bug Workaround: Swift Playgrounds for iPad

  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…
• March 21, 2018

  Weekly Tip: Make an iPad Camera

  

  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…
• March 14, 2018

  Tip: Creating Navigation Controllers

  

  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. Not…
• April 10, 2017

  This Old App: 2013 Code, Meet Xcode 8

  

  A few months ago my app Interval RunCalc was removed from the App Store for being too old and not updated. In this series of articles I’ll document what I did on rebuilding and improving the app. In our first article I analyzed the changes necessary. In the second, I built the model in a…
• December 19, 2016

  Parsing Strings from Time and Fractions to Doubles

  

  This week’s lesson covers a topic the I left off on last week’s lesson, but can be used outside that context. I thus wanted to cover it separately. Last week I showed you how to use a UIPickerView to input numbers with a lot less validation. We looked at doubles, fractions and time intervals.        …