Book Image

Building Apple Watch Projects

By : Stuart Grimshaw
Book Image

Building Apple Watch Projects

By: Stuart Grimshaw

Overview of this book

With Apple’s eagerly anticipated entry into the wearable arena, the field is wide open for a new era of app development. The Apple Watch is one of the most important technologies of our time. This easy-to-understand book takes beginners on a delightful journey of discovering the features available to the developer, right up to the completion of medium-level projects ready for App Store submission. It provides the fastest way to develop real-world apps for the Apple Watch by teaching you the concepts of Watch UI, visual haptic and audio, message and data exchange between watch and phone, Web communication, and finally Visual, haptic as well as audio feedback for users. By the end of this book, you will have developed at least four fully functioning apps for deployment on watchOS 2.

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Building Apple Watch Projects
Stuart Grimshaw
Feb, 2016 | 298 pages
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Table of Contents (12 chapters)
Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Exploring the New Platform
1. Exploring the New Platform
Wide open future
A closer look at the watch
A look under the hood
One App, four interfaces
User Input Hardware
Extension of the iPhone, but more
Summary
2
2. Hello Watch
2. Hello Watch
Setting it all up
Looking over the project
Adding some content on screen
Give the UI some visual appeal
Adding some animation magic
Getting user input
Ideas for self study
Summary
3
3. C-Quence – A Memory Game
3. C-Quence – A Memory Game
Plan the app
Setting up the project
GameLogic
Interface Controller
Summary
4
4. Expanding on C-Quence
4. Expanding on C-Quence
Implementing the methods
Testing and tweaking
Communicating with the phone
Summary
5
5. On Q – A Productivity App
5. On Q – A Productivity App
Download the project template
Plan the Watch app
Setting up the project
Writing the code
Testing with the iPhone and real data
Challenges for further growth
Summary
6
6. Watching the Weather
6. Watching the Weather
Adding a Glance to an app
Setting up the project
Getting the data
Interface Controllers
Glances
Challenges for expansion
Summary
7
7. Plot Buddy – All about Location
7. Plot Buddy – All about Location
Planning the app
Setting up the project
Data structure
Getting location data
The Interface Controllers
WatchConnectivity
Final test
Challenges for expansion
Summary
8
8. Images, Animation, and Sound
8. Images, Animation, and Sound
Adding an icon
Animation
Audio and Video
Summary
9
9. Wear It, Test It, Tweak It, Ship It
9. Wear It, Test It, Tweak It, Ship It
Installation on a physical device
Testing in the field
App Store submission process overview
Preparing for submission
Summary
10
10. This Is Only the Beginning
10. This Is Only the Beginning
Using animation to the fullest
Making use of code snippets
Post release maintenance
Expanding your skills
Tools
Sites to be aware of
Stay in touch
Summary
One last word from the author
11
Index
Index

Setting up the project

Set up a new project using the iOS App with WatchKit App template that we have used before, but this time include the Glance Scene (and deselect Notification Scene as previously), as pictured here:

Requirements

Using the flow diagram to provide some (very welcome) visual support, we can now start to think about our requirements in more concrete terms.

Weather data structure

Since we'll be passing a number of weather summaries to the table view that displays the initial view of the data, it makes sense to be able to package the data necessary for each individual summary into some sort of structure.

Create a new Swift file, call it WeatherData.swift, and select both the WatchKit app and the iOS app targets, as pictured here:

Note

Why do we select the phone app target when we are writing an app that will function exclusively on the watch? Well, this is simply some prudent future-proofing of the app. It seems likely that we will expand the app at some point in the future to provide...

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