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Learning WatchKit Programming: A Hands-On Guide to Creating watchOS 2 Applications, 2nd Edition
- By Wei-Meng Lee
- Published Nov 23, 2015 by Addison-Wesley Professional.
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Description
- Copyright 2016
- Dimensions: 7" x 9"
- Pages: 288
- Edition: 2nd
- eBook
- ISBN-10: 0-13-439917-X
- ISBN-13: 978-0-13-439917-1
Create Breakthrough Apple Watch Apps with the New watchOS 2 and the Updated WatchKit Framework!
Apple Watch is improving quickly: Using Apple’s new watchOS 2 operating system and the updated WatchKit framework, you can create tomorrow’s hottest wearable apps. Learning WatchKit Programming, Second Edition, will help you master these technologies and gain the same “early mover” advantage that early iPhone developers enjoyed.
Leading iOS development trainer and author Wei-Meng Lee guides you step by step through architecting, designing, and building cutting-edge Apple Watch apps. You’ll learn how to make the most of the newest platform improvements, including direct programmatic access to key hardware features; support for new Watch Connectivity Framework APIs; and new ways to use location, consume web services, and persist data.
Using practical Swift code examples designed for clarity and simplicity, Lee guides you through building apps from the ground up. You’ll learn how to build native watch apps that perform exceptionally well on their own and how to integrate your apps with iPhones to do even more.
Coverage includes
- Writing high-performance, native watch apps that run independently of the iPhone
- Accessing hardware, including Digital Crown, microphone, and Taptic Engine
- Storyboarding apps and testing them on the Apple Watch Simulator
- Mastering Apple Watch’s multiple-screen navigation
- Building efficient interfaces with Apple Watch UI controls
- Creating and programming “complications”–apps that display data on the watch face, such as alarms, tachymeters, chronographs, and calendars
- Displaying information via labels, images, or tables
- Passing and returning data to Interface Controllers
- Integrating location services into Apple Watch apps
- Using Watch Connectivity Framework APIs to link watch and iOS apps
- Calling and consuming web services
- Persisting data on the watch
- Displaying short- and long-look notifications Implementing glances to help users gather information faster
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.
All of this book’s sample Swift code is available for download at informit.com/title/9780134398983. (Register your book to gain access.)
Sample Content
Table of Contents
Preface xiii
Acknowledgments xvii
About the Author xix
Chapter 1: Getting Started with WatchKit Programming 1
Specifications of the Apple Watch 1
Getting the Tools for Development 2
Understanding the WatchKit App Architecture 3
Types of Apple Watch Applications 6
Hello, World! 7
Summary 15
Chapter 2: Apple Watch Interface Navigation 17
Interface Controllers and Storyboard 17
Navigating between Interface Controllers 22
Summary 48
Chapter 3: Responding to User Actions 49
Using the Tap Gesture to Interact with Controls 49
Summary 72
Chapter 4: Displaying and Gathering Information 73
Displaying Information 73
Gathering Information 106
Laying Out the Controls 111
Force Touch 115
Summary 123
Chapter 5: Accessing the Apple Watch Hardware 125
Making Phone Calls and Sending Messages 125
Recording Audio 127
Digital Crown 130
Accelerometer 131
Taptic Engine 134
Summary 136
Chapter 6: Programming Complications 137
Introducing the ClockKit Framework 138
Building a Movie Showtime Complication Example 141
Summary 159
Chapter 7: Interfacing with iOS Apps 161
Introducing the Watch Connectivity Framework 161
Connecting to the Outside World 185
Saving Data 198
Summary 203
Chapter 8: Displaying Notifications 205
What Is a Notification? 205
Types of Notifications on the Apple Watch 208
Summary 235
Chapter 9: Displaying Glances 237
What Is a Glance? 237
Implementing Glances 238
Making the Glance Useful 244
Updating the Glance 249
Summary 252
Index 253