Adventures in Swift and iOS App Development
A few months ago, Apple removed my app Interval RunCalc 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 the last installment, I hooked up my picker view interface to my app, and built the first round …
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 …
Apple packed a lot of sensors into the small packages that are iOS devices. You as a developer can detect movement in three dimensions, acceleration, rotations, and impact and use those in your applications. All of this brought to your application in the CoreMotion framework. CoreMotion has many uses. Game developers use it to make a phone into …
Continue reading "Introducing Core Motion: Make A Pedometer"
Many controls such as table views, map views, scroll views and buttons use gestures. You as a developer might want to use a gesture for your own purposes outside of these controls. The gesture recognizer classes can do that. The standard ones such a as tap, pinch and rotate are rather easy to set up, …
Last week the WWDC2016 left all of us with a lot to think about. I want to talk about some of the high points. I say some, because that's a lot of stuff to absorb, and I didn't get through enough to talk reasonably about all of them. The SiriKit session and all the WatchOS …
Continue reading "WWDC2016: Swift 3.0 and the Playgrounds for iOS"
Flat User interfaces are a lie. They are not completely flat. One effect continues to be used with them to show depth: Shadows. In flat interfaces it can look like there are some views floating above others by the use of shadows. In this lesson we'll learn to make shadows using the CALayer found in …
Continue reading "Swift Swift: How to Make a Drop Shadow in User Interfaces"
