Tag: Apple swift

• October 3, 2016

  Introducing Table Views in Swift 3

  

  Table views on any mobile platform are the workhorse of any application. To be a good developer you need  to make table views easily. Tables in iOS  use the UITableView class to do so. This is a very powerful class with many features to make the tables you see in applications like Facebook, Instagram and…
• July 14, 2016

  How to Make a Tab Bar Controller in Swift 3.0 Code

  While Navigation controllers often have the limelight when it comes to Xcode’s view  controllers, tab bar controllers are better for independent tasks in the same app, or for different ways of working with the same model. In this lesson we’ll take a look at  how to make them in Swift programmatically. If you are interested…
• July 5, 2016

  Using Attributed Strings in Swift 3.0

  

  For most uses, a basic string works well. Normal strings have no character or paragraph formatting. They rely on the properties of the control to format them. The system only formats the full string, not parts of it. For formatting a part of a string, you need an attributed string which specifies parts of the…
• June 27, 2016

  Using Segues and Delegates for Navigation Controllers in Swift 4.0

  

  [Updated 2/13/2018 to Xcode 9 / Swift 4.0] It should be one of the easiest things we do, and yet for many it is the most confusing. Getting data from one view controller to another as you switch views never seems easy. Segues might be slightly difficult, but delegates to get the information back have…
• January 21, 2016

  How to Use enum and Enumerations in Swift

  

  Often code needs some way to describe a discrete set of cases. You might need values for breakfast lunch and dinner for example. How we configure a view might be set by one of a few choices. There are many types of UIButtons we can use such as system, custom, and detail disclosure. We would…
• August 20, 2015

  Swift Watchkit: Headers Footers and More — Multiple Row Types in Apple Watch Tables

  Some tables are boring. In our  multi-part look at the table view in Apple Watch, We’ve looked at tables with only one kind of row type. However, tables can be lot more than just one row. We might have a header row, or a footer row, we may have sub rows to do some grouping…
• June 18, 2015

  Swift WatchKit: Adding Text, Dictation, and Emoji Input to Apple Watch 

  Sometimes Apple gives away stuff you can get very happy about — like a chance to use voice dictation. If you have had a chance to play with an Apple Watch, the watch has a simple but great way to deal with text messages. If you get a text message, you can hit reply and…
• June 8, 2015

  6 Themes to Expect at Apple’s WWDC 2015 No One is Talking About.

  Once a year, Apple developers get together in San Francisco. Some lucky people in person, most through on-line connections. The event is the World Wide Developer’s Confrence (WWDC), the event for those people and companies developing applications for OSX and iOS. As a developer, I look froward to this event every year and have a…
• April 26, 2015

  Swift WatchKit: Programming  Sliders on the Apple Watch

  In the last few lessons, we’ve covered some of the controls a developer can use in an Apple Watch app. As we’ve learned, we do not have full access to the properties of the controls. Instead, we have a few attributes we can only control through the story board, a single action method for some,…
• April 24, 2015

  Swift Swift: Using NSTimer to Make a Timer or Alarm

  With the launch of the Apple Watch it’s time for timers in iOS and WatchKit. Learning to use timers is a very important skill for most developers. There are many places we need to schedule regular intervals of time to do things. In my WatchKit series I’m writing a workout interval timer which tells the…