Adventures in Swift and iOS App Development
One dilemma you'll find when working with colors is switching between color systems. There's two you'll most often be using: the Red-Green-Blue or RGB and Hue-Saturation-Brightness or HSB. Download the Exercise file and run. It will give you the HSB value, but what if you want a RGB Value for that color? What if you …
A couple of weeks ago, I added a column on converting hex colors to UIColor. That was a function you had to copy and paste into your code. I’ve also shown you how to use the assets to keep color names handy. What would be even better is to do all that directly from UIColor. …
There’s lot of ways to represent colors. Crayons have names like Sea Green and Peach. I used these two colors since I'm color blind and they once got me in serious trouble when I was young. I and many with color blindness can't tell them apart easily. Knowing some other identifying system is critical in describing …
While Property Lists can be ways of storing data, there is a better way of handling small amounts of data for preferences and settings that might change over time and user. While built on a property list, NSUSerDefaults Makes for a more convenient way for such data. IN this lesson, we'll introduce NSUserDefaults and a …
This session we will learn about functions by making colors with UIColor. Transcript Welcome to lesson 7 of KinderSwift. In our last lesson we used this to convert a Int into a Double and this to convert a Double into a Int. Both of these are functions. Functions take the data within the parentheses and …
[Updated to Swift 2.0/iOS9 SJL 9/18/15] In our last post we discussed the RGB color space which uses red green and blue to create color. It is a very popular color space to communicate and specify color since it uses a very easy numbering system to make up millions of colors. In Swift the key …
Continue reading "Swift Swift: Using UIColor in Swift Part 2: Making a Color Palette with HSB"
[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"
