Category: ios8

• April 17, 2015

  Swift WatchKit Tutorials: Programming Buttons, Switches and Timers for Apple Watch

  Once you start connecting outlets and actions for an Apple Watch you realize this is not your friendly neighborhood iOS app. There are controls that look familiar in storyboard, but are far from the same in code.  In this lesson, you’ll learn about the familiar button and switch from iOS in a WatchKit setting, where […]
• April 12, 2015

  Swift WatchKit Tutorials — A Basic Watch Kit App

  Like a lot of people I ordered my Apple watch on April 10th, and now have to wait until June for it to arrive. I’m excited about the possibilities of the watch. I’m excited about writing applications for the watch, and I’m excited about sharing that information with you. Introducing WatchKit through MVC Understanding how to […]
• March 31, 2015

  Swift Swift: Split View Controllers (Round Two) Part 2: Master to Detail

  Back in July of 2014, I wrote one of this first posts on Split views, I said I would write another post on the subject. I ended up making this a section in chapter six of my Book I ended up making this section 2 of Chapter six of my Book Swift Swift: UI View […]
• March 14, 2015

  Happy Pi Day! — Add a Pie to the Ring Graph

  For those of us in the U.S. with a geekiness toward math March 15, 2015 at 9:26:53 is going to be the best pi day ever. As the date in the American calendar format is 3/14/15, the closest approximation to pi the mm dd yy hh:mm:ss format can have. To celebrate this, I’m going to […]
• March 12, 2015

  Swift Swift: Split View Controllers (Round Two) Part 1: The Master-Detail template

  Back in July of 2014, I wrote one of this first posts on Split views, I said I would write another post on the subject. I ended up making this a section in chapter six of my Book I ended up making this section 2 of chapter six of my Book Swift Swift: UI View […]
• March 10, 2015

  Swift Swift: Basic Core Graphics for the Ring Graph

  If you take a look at many of the cutting-edge designs for mobile User interfaces on Behance or Pinterest, you find a ring, arc or circle graph. The Apple Watch’s fitness activity app uses them extensively. Yet, if you scroll down the object library in Xcode it is a not a control to drag and […]
• March 2, 2015

  Converting Objective C to Swift : The Circular Picker View Example

  Swift is a new language. Objective C is not. Sometimes you have some Objective C code and want to make it into Swift code. I had a case of that this week when a reader asked me about continuous picker view wheels. If you are familiar with the date picker it goes from 0 to […]
• February 25, 2015

  The Joys of Beta Swift: as Versus as! and Why I Avoid Betas

  It came to my attention this week there’s a big change to Swift code on the way. It doesn’t look big though: it is the difference between as and as!. The keyword as is the conversion operator. Usually type or class are easily defined like this: But there are times you get things like this […]
• February 17, 2015

  Create Dynamic and Static Table Views in Swift 3

  In an early post on this site, I wrote a table view tutorial. I decided to update that tutorial a bit for The Swift Swift View Controllers Book and add a bit more sophistication and depth. This tutorial deep dives in the subject. Both will remain on the site. In October 2016 I updated this for […]
• February 4, 2015

  Swift Swift Tutorials: Passing Data in Tab Bar Controllers

  [Updated for Swift 2.0/iOS9 9/21/15 SJL] While you can delegate between view controllers in tab bar controllers, it’s debatable if you want to. Tab bar controllers can break down MVC in cases. On one hand Apps with tab bar controllers have independent view controllers with completely separate functions, much like Apple’s clock app. Though the […]