Tip: Image Literals

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 for free. After that, you will need a subscription to get access to it. Click the image at left  to view.  You'll find an amended transcript below. You’ve …

Swift Swift: Using Color and UIColor in Swift Part 1: RGB

[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 …

Living without Storyboards: Make a Working Stopwatch in Sprite Kit

Over the last few posts we've made a clock and stopwatch application in Sprite Kit. Last time, we added an animated button display for the stopwatch. This time we get the stopwatch buttons working. Get Our Variables in Order We will use several variables in our changes. Change our variables to the following: We changed …