Book Image

Apple Watch App Development

By : Steven F. Daniel
Book Image

Apple Watch App Development

By: Steven F. Daniel

Overview of this book

With the increasing amount of new wearable devices hitting the market, wearables are the next wave of mobile technology. With the release of Apple's WatchKit SDK, a whole new world of exciting development possibilities hasopened up. Apple Watch App Development introduces you to the architecture and limitations of the Apple Watch platform, followed by an in-depth look at how to work with Xcode playgrounds. Here, we'll introduce you to the Swift programming language so you can quickly begin developing apps for the Apple Watch platform with the WatchKit framework and the Xcode Development IDE. We then discuss more advanced topics such as Notifiations, Glances, Closures, Tuples, Protocols, Apple pay, and using Swift playgrounds, with each concept backed up with example code that demonstrates how to properly execute it. We also show you how to package and deploy your Watch application to the Apple AppStore. By the end of this book, you will have a good understanding of how to develop apps for Apple Watch platform using the WatchKit framework and Swift 2.0.
Table of Contents (19 chapters)
Apple Watch App Development
About the Author
About the Reviewer

Working with WatchKit notifications

Before we can begin using notifications within our Shopping List application, we need to get a better understanding of how they work within the WatchKit framework. We did touch on this in Chapter 2, Understanding Apple Watch, so much of this will be quite familiar.

In the next section, we will talk a bit about the notification controller life cycle; you will notice that the notification controller inherits all of the existing functionality of the WKInterfaceController class and contains a variety of method calls that help determine whenever a notification becomes active or the controller context instance becomes awake.

As we mentioned in the introduction to the chapter, notifications that appear on an iOS device will also appear on Apple Watch, which means that you don't need to physically take your phone out of your pocket whenever you feel it vibrating. You can simply just glance at your watch and respond to the action accordingly.

The WatchKit framework...