Learning WatchKit programming
by Wei-Meng Lee
"Create breakthrough Apple Watch apps with the new watchOS 2 and the updated WatchKit framework! ... This guide will help you extend your existing iOS skills, build apps that solve a whole new set of problems, and reach millions of people in the fast-growing Apple Watch marketplace"--Back cover.
Wearable computersSmartwatchesProgrammingMobile appsWatchKit (Software framework)IOS (Electronic resource)Application software, developmentMobile communication systemsClocks and watches