Apple Watch is the sort of science-fiction gadget that people used to dream about as kids. What kinds of apps do you envision for this new device? If you're comfortable using OS X, Xcode, and iOS--and familiar with Swift--this concise book shows you the basics of building your own apps for this wrist-mounted computer with Apple's WatchKit framework. You'll learn what an Apple Watch is, what it isn't, and how and why people might interact with...