Pro iOS Geo: Building Apps with Location Based Services

321 Pages·2013·12.82 MB·English

by  Giacomo Andreucci (auth.)

Pro iOS Geo
Building Apps with Location Based Services
Giacomo Andreucci
Pro iOS Geo: Building Apps with Location Based Services
Copyright © 2013 by Giacomo Andreucci
Portions of this book are inspired by Applicazioni iOS e Android con Google Maps (Edizioni FAG Milano) by Giacomo
Andreucci published September 2011.
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To the awesome rock bands that I have listened to all my life, from U2 to Truffle Shuffle!
Contents at a Glance
About the Author ...............................................................................................................xiii
About the Technical Reviewer ............................................................................................xv
Acknowledgments ............................................................................................................xvii
Introduction .......................................................................................................................xix
(cid:78) Part 1: Introduction ......................................................................................1
(cid:78) Chapter 1: Getting started .................................................................................................3
(cid:78) Part 2: Web Apps ........................................................................................21
(cid:78) Chapter 2: Map-based Web App Basics: Hello World ......................................................23
(cid:78) Chapter 3: Map Controls and Styles ................................................................................43
(cid:78) Chapter 4: Creating a GUI for the App with jQuery Mobile ..............................................77
(cid:78) Chapter 5: Overlays .........................................................................................................95
(cid:78) Chapter 6: Implementing Geolocation ...........................................................................145
(cid:78) Part 3: Hybrid Apps ..................................................................................173
(cid:78) Chapter 7: Creating Hybrid Apps ...................................................................................175
v
vi Contents at a Glance
(cid:78) Part 4: Native Apps with Apple Map Kit ...................................................201
(cid:78) Chapter 8: Introduction to the Core Location Framework .............................................203
(cid:78) Chapter 9: Introduction to Apple Maps and the Map Kit Framework ............................237
(cid:78) Chapter 10: Displaying Objects on the Map...................................................................261
(cid:78) Appendix A: Understanding the Terms Of Service .........................................................299
Index .................................................................................................................................305
Contents
About the Author ...............................................................................................................xiii
About the Technical Reviewer ............................................................................................xv
Acknowledgments ............................................................................................................xvii
Introduction .......................................................................................................................xix
(cid:78) Part 1: Introduction ......................................................................................1
(cid:78) Chapter 1: Getting started .................................................................................................3
Comparing Desktop Computer Maps and Mobile Maps ................................................................3
Reviewing Mobile Geo Apps Services ...........................................................................................6
Designing Guidelines for Optimal Usability of Map-Based Apps ...................................................7
Self-Adaptability of the App ...................................................................................................................................9
Usability of the App’s GUI .......................................................................................................................................9
Usability of Map Contents ....................................................................................................................................11
The Primary Options to Develop Map-Based Apps for iOS ..........................................................12
Developing Web Apps with Google Maps .............................................................................................................12
Developing a Native App with Apple Maps ..........................................................................................................15
Testing Map-Based Apps .............................................................................................................17
Testing Methodologies .........................................................................................................................................17
Monitoring Tools ..................................................................................................................................................18
Summary .....................................................................................................................................19
vii
viii Contents
(cid:78) Part 2: Web Apps ........................................................................................21
(cid:78) Chapter 2: Map-based Web App Basics: Hello World ......................................................23
Reviewing the Resources ............................................................................................................23
Mobile Safari .......................................................................................................................................................23
Simulator or Real Devices ...................................................................................................................................25
Web Servers ........................................................................................................................................................26
Editors .................................................................................................................................................................26
Standalone App or Part of an Existing Website ....................................................................................................27
Hello World ..................................................................................................................................29
Adapting Hello World to iOS Devices ...................................................................................................................37
Redirecting iOS Users with JavaScript ................................................................................................................42
Summary .....................................................................................................................................42
(cid:78) Chapter 3: Map Controls and Styles ................................................................................43
Using Map Controls .....................................................................................................................43
Default Controls ...................................................................................................................................................43
Non-Default Controls ...........................................................................................................................................48
Enabling and Disabling Controls ..........................................................................................................................49
Configuring Controls ............................................................................................................................................52
Positioning Controls .............................................................................................................................................55
Creating Custom Controls on the Map .........................................................................................57
Creating the Container <div> .............................................................................................................................59
Defining the Three Controls .................................................................................................................................59
Methods (and Controls) to Set the MapOptions Object ........................................................................................64
Understanding Selectors and Stylers ..................................................................................................................67
Approach 1: Set a .styles Property of the Map’s MapOptions Object ............................................................71
Approach 2: Create a Styled Map Type ................................................................................................................72
Styled Maps Wizard .............................................................................................................................................74
Some Final Recommendations When Using Styles .....................................................................75
Summary .....................................................................................................................................76
Contents ix

(cid:78) Chapter 4: Creating a GUI for the App with jQuery Mobile ..............................................77
What is jQuery Mobile? ...............................................................................................................77
Setting Up the Project .................................................................................................................79
Using a CDN Server .............................................................................................................................................80
Hosting Files ........................................................................................................................................................81
Implementing jQuery Mobile in Our App ......................................................................................81
Creating the Basic Structure of the Template ......................................................................................................82
Adding an Info Button ..........................................................................................................................................86
Showing a Splash Screen While Tiles Are Loading ......................................................................90
Specifying a Launch Image .........................................................................................................92
Complete Code ............................................................................................................................93
Summary .....................................................................................................................................93
(cid:78) Chapter 5: Overlays .........................................................................................................95
General Methods For Manipulating Overlays ..............................................................................97
Adding Overlays to the Map .................................................................................................................................97
Removing and Deleting Overlays From the Map..................................................................................................98
Three Methods to Display POIs On a Map .................................................................................103
Method 1: Using the Marker Constructor..........................................................................................................103
Method 2: Using the KmlLayer Constructor .....................................................................................................121
Method 3: Using the FusionTableslayer Constructor ...................................................................................126
Summary ...................................................................................................................................144
(cid:78) Chapter 6: Implementing Geolocation ...........................................................................145
Understanding Geolocation .......................................................................................................145
The W3C Geolocation API ...................................................................................................................................145
W3C Geolocation API Current Support ...............................................................................................................146
Implementing the W3C Geolocation API ....................................................................................146
The getCurrentPosition() Method .............................................................................................................148
The watchPosition() method .......................................................................................................................154
x Contents
Putting Things Together .............................................................................................................157
The HTML File ....................................................................................................................................................158
The CSS File ......................................................................................................................................................163
The JavaScript File ............................................................................................................................................164
Promoting and Maintaining Your App ........................................................................................169
Submitting the App to the App Store .................................................................................................................171
Summary ...................................................................................................................................171
(cid:78) Part 3: Hybrid Apps ..................................................................................173
(cid:78) Chapter 7: Creating Hybrid Apps ...................................................................................175
Creating a Hybrid App With Xcode .............................................................................................175
Creating a Web View (UIWebView) ............................................................................................176
Setting Up the Project ........................................................................................................................................176
Using the Storyboard Tool to Create the Web View ............................................................................................180
Declare the Web View in the Code .....................................................................................................................184
Implementing the Web View ..............................................................................................................................187
Checking for an Internet Connection .........................................................................................189
Open Links in an External App ...................................................................................................191
Adding App Icon and Launch Image for the App Store ..............................................................194
Using PhoneGap ........................................................................................................................198
Geting Started in PhoneGap ...............................................................................................................................198
Summary ...................................................................................................................................199
(cid:78) Part 4: Native Apps with Apple Map Kit ...................................................201
(cid:78) Chapter 8: Introduction to the Core Location Framework .............................................203
Main Core Location Services .....................................................................................................203
Setting Up the Framework ........................................................................................................204
The Standard Location Service .................................................................................................206
Hello World Standard Location Service: One-Shot Position ...............................................................................206
Receiving Location Updates ..............................................................................................................................219
Handling Location Errors ...................................................................................................................................228