Apple Watch for Developers: Advice & Techniques from Five Top Professionals

238 Pages·2015·27.4 MB·English

by  Gary Riches

BOOKS FOR PROFESSIONALS BY PROFESSIONALS®
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into visual information, taming complex data, mastering t
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knowledge of developing with WatchKit and WatchOS 2, o
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Apple Watch
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ISBN 978-1-4842-1339-1
53499
US $ 34.99 1
Shelve in
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Apple Watch for
Developers
Advice & Techniques from Five
Top Professionals
(cid:132)(cid:132)(cid:132)
Gary Riches
Ruben Martinez Jr.
Jamie Maison
Matt Klosterman
Mark Griffin
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Apple Watch for Developers: Advice & Techniques from Five Top Professionals
Copyright © 2015 by Gary Riches, Ruben Martinez Jr., Jamie Maison, Matt Klosterman, Mark Griffin
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ISBN-13 (pbk): 978-1-4842-1339-1
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Contents at a Glance
About the Authors ............................................................................................xiii
About the Technical Reviewer ..........................................................................xv
Acknowledgments ...........................................................................................xvii
(cid:132)(cid:3)Chapter 1: An Apple Watch Introduction .....................................................19
(cid:132)(cid:3)Chapter 2: Examining the Stopwatch, Timer and Calendar ......................27
(cid:132)(cid:3)Chapter 3: Taming Complex Data for the Watch .........................................53
(cid:132)(cid:3)Chapter 4: Examining Home Remote and its Components .....................123
(cid:132)(cid:3)Chapter 5: Developing Notation – Audio to Musical Score .....................163
(cid:132)(cid:3)Chapter 6: Building the Infinitweet Application ........................................177
(cid:132)(cid:3)Chapter 7: Developing Apple Watch Cross-Platform Apps .....................207
Index .................................................................................................................239
v
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Contents
About the Authors .......................................................................................xiii
About the Technical Reviewer .....................................................................xv
Acknowledgments ......................................................................................xvii
(cid:132)(cid:3)Chapter 1: An Apple Watch Introduction .....................................................19
Anatomy of a WatchKit App .............................................................................20
The Interface Controller ................................................................................................20
Glance Interfaces ..........................................................................................................21
Notification Interfaces ...................................................................................................22
Interface Navigation ........................................................................................23
Context Menus ................................................................................................25
Summary .........................................................................................................25
(cid:132)(cid:3)Chapter 2: Examining the Stopwatch, Timer and Calendar ......................27
Stopwatch ........................................................................................................27
Creating the User Interface ...........................................................................................28
Outlets and Actions .......................................................................................................29
Triggering Timing ..........................................................................................................29
Adding the Lap Functionality .........................................................................................31
Timer ...............................................................................................................33
Creating the User Interface ...........................................................................................33
vii
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viii Contents
Outlets and Actions .......................................................................................................34
Initializing the Application ..............................................................................................35
Handling Text Input with WatchKit .................................................................................36
Start and Reset ............................................................................................................37
Creating our Timer Method ...........................................................................................38
Calendar ..........................................................................................................40
Introduction to iCloud ....................................................................................................40
Creating Calendars and Events in iOS Using EventKit and iCloud ...............................43
Creating an Apple Watch Calendar Application ............................................................45
Summary .........................................................................................................51
(cid:132)(cid:3)Chapter 3: Taming Complex Data for the Watch .........................................53
Background .....................................................................................................54
Find Your User’s Story ....................................................................................56
Maintain Simplicity Through Relevancy ...........................................................77
Increase Recognition Through Repetition .....................................................108
Use Notifications as Punctuation ...................................................................120
Looking Forward: Complications in watchOS 2 ...........................................120
(cid:132)(cid:3)Chapter 4: Examining Home Remote and its Components .....................123
The WatchKit Extension ................................................................................124
The User Interface.........................................................................................125
Populating the Table ......................................................................................127
Handling the Table’s Input ...........................................................................................127
Sharing Data Between Extension and App ...................................................128
App Groups .................................................................................................................129
iOS .............................................................................................................................129
WatchKit ......................................................................................................................130
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Contents ix
Glances and Extension Communication .......................................................132
The Home Remote Glance ............................................................................132
The Glance ....................................................................................................133
Handoff ..........................................................................................................135
Handoff Interactions ....................................................................................................136
The Handoff Code .......................................................................................................136
Modal Interface Controllers .........................................................................................137
Navigation Types Available ............................................................................139
Home Remote Navigation .............................................................................140
Hierarchy and Page based Navigation ..........................................................140
Page based Navigation ...............................................................................................143
Hierarchical Navigation ...............................................................................................144
Force Touch Menus .......................................................................................146
The Design of the Menu Items ....................................................................................147
Apple Watch Settings ....................................................................................149
Home Remote and Voice Recognition ..........................................................151
About Voice Dictation ....................................................................................153
Adding Voice Recognition to the Table ..........................................................153
Submitting Your App for Review ....................................................................157
App Identifiers .............................................................................................................158
Version Numbers ........................................................................................................158
App Name and Settings Name ...................................................................................158
Assets Required for Submission ...................................................................159
Screen Shots ..............................................................................................................159
The Submission Process ...............................................................................160
Summary .......................................................................................................162
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x Contents
(cid:132)(cid:3)Chapter 5: Developing Notation – Audio to Musical Score .....................163
User Interface on the Apple Watch ...............................................................164
Branding Within Apple Watch Applications ...................................................166
Design Considerations ................................................................................................167
Working with App Groups ..............................................................................168
What are App Groups? ...............................................................................................168
Setting Up App Groups in Your Project .......................................................................168
Using the Apple Watch Microphone in watchOS 2 ......................................170
Swift ............................................................................................................................171
Objective-C .................................................................................................................171
Translating Audio Data into Visual Information ..............................................172
Importing and Declaring Images .................................................................................172
Updating Our Image ....................................................................................................175
Summary .......................................................................................................176
(cid:132)(cid:3)Chapter 6: Building the Infinitweet Application ........................................177
Introducing Infinitweet ...................................................................................177
Environment-Driven Feature Sets .................................................................179
Infinitweet for iOS ........................................................................................................179
Infinitweet for Apple Watch .........................................................................................180
So Where Does the Magic Happen? ..........................................................................181
Building Infinitweet .......................................................................................182
Getting Started ............................................................................................................182
Creating the Infinitweet User Interface ........................................................................184
Communicating Between Storyboard and Code .........................................................186
Capturing User Voice Input .........................................................................................188
Navigating Between WKInterfaceControllers ..............................................................189
Working with Social and Account Frameworks ...........................................................190
Prompting the User With Options................................................................................193
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Contents xi
The Infinitweet Algorithm.............................................................................................197
Providing User Feedback ............................................................................................201
Finishing Touches .......................................................................................................204
Additional Notes ..........................................................................................................205
(cid:132)(cid:3)Chapter 7: Developing Apple Watch Cross-Platform Apps .....................207
The FAIRFX Watch Application .....................................................................208
Building Watch Applications as a Cross-Platform Developer ........................209
Building Our Main Application with Cordova .................................................209
Bridging the Gap ...........................................................................................214
Getting a WatchKit App Up and Running ......................................................224
Linking the Applications Together..................................................................232
Common Pitfalls ............................................................................................234
Different Version Numbers ..........................................................................................234
Differing Deployment Targets ......................................................................................234
Downgrading the Deployment Target ..........................................................................235
Building Fine but Rejected at App Store .....................................................................235
Additional Features........................................................................................235
Android Wear ..............................................................................................................236
WatchKit for watchOS 2 ............................................................................................237
(cid:132)(cid:3)Index .............................................................................................................239
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