You are previewing Programming the Mobile Web.

Programming the Mobile Web

Cover of Programming the Mobile Web by Maximiliano Firtman Published by O'Reilly Media, Inc.
  1. Programming the Mobile Web
    1. SPECIAL OFFER: Upgrade this ebook with O’Reilly
    2. Preface
      1. Who This Book Is For
      2. Who This Book Is Not For
      3. What You’ll Learn
      4. Other Options
      5. If You Like (or Don’t Like) This Book
      6. Conventions Used in This Book
      7. Using Code Examples
      8. How to Contact Us
      9. Safari® Books Online
      10. Acknowledgments
    3. 1. The Mobile Jungle
      1. Myths of the Mobile Web
      2. The Mobile Ecosystem
      3. Mobile Knowledge
      4. Brands, Models, and Platforms
      5. Technical Information
      6. Market Statistics
    4. 2. Mobile Browsing
      1. The Mobile Browsing Experience
      2. Mobile Web Eras
    5. 3. Architecture and Design
      1. Website Architecture
      2. Design and Usability
    6. 4. Setting Up Your Environment
      1. Setting Up a Development Environment
      2. Production Environment
    7. 5. Markups and Standards
      1. First, the Old Ones
      2. Current Standards
      3. XHTML Mobile Profile and Basic
      4. CSS for Mobile
      5. Confusion
    8. 6. Coding Markup
      1. Heading Structure
      2. The Document Body
      3. Plug-ins and Extensions
    9. 7. CSS for Mobile Browsers
      1. Where to Insert the CSS
      2. Selectors
      3. CSS Techniques
      4. Common Patterns
      5. CSS Sprites
      6. WebKit Extensions
    10. 8. JavaScript Mobile
      1. Supported Technologies
      2. Coding JavaScript for Mobile Browsers
    11. 9. Ajax, RIA, and HTML 5
      1. Ajax Support
      2. JavaScript Libraries
      3. WebKit CSS Extensions
      4. Mobile Rich Internet Applications
      5. HTML 5
    12. 10. Server-Side Browser Detection and Content Delivery
      1. Mobile Detection
      2. Content Delivery
      3. Multimedia and Streaming
      4. Content Adaptation
      5. Mobilizing WordPress and Other CMSs
    13. 11. Geolocation and Maps
      1. Location Techniques
      2. Detecting the Location
      3. Showing a Map
    14. 12. Widgets and Offline Webapps
      1. Mobile Widget Platforms
      2. Standards
      3. Platforms
      4. Widget Design Patterns
    15. 13. Testing, Debugging, and Performance
      1. Testing and Debugging
      2. Performance Optimization
    16. 14. Distribution and Social Web 2.0
      1. Mobile SEO
      2. Mobile Web Statistics
      3. Mobile Web Advertising
      4. Mobile Web Social Features
    17. A. MIME Types for Mobile Content
      1. Markup and Script MIME Types
      2. Image MIME Types
      3. Mobile Content MIME Types
      4. Audio and Video MIME Types
      5. Widget and Webapp MIME Types
    18. Index
    19. About the Author
    20. Colophon
    21. SPECIAL OFFER: Upgrade this ebook with O’Reilly
O'Reilly logo

Standards

The standards in this area are still emerging, but we can identify some official and de facto standards in the mobile widget world.

Packaging and Configuration Standards

First, for packaging and for the configuration file, the W3C has the Widget Packaging and Configuration standard, defined at http://www.w3.org/TR/widgets (not only for mobile widgets). The W3C standard defines a ZIP file as the package format, with a configuration file and an optional icon included in the root folder of the package.

The configuration file must be named config.xml. Here’s a sample file:

<?xml version="1.0" encoding="UTF-8"?>
<widget xmlns="http://www.w3.org/ns/widgets"
        id="http://mobilexweb.com/widget">
    <name short="Example 2.0">
        The example Widget!
    </name>
    <description>
        A sample widget to demonstrate some of the possibilities.
    </description>
    <icon src="icons/example.png"/>
    <content src="myWidget.html"/>
</widget>

The other de facto standard is the Apple Dashboard Widget, used for Mac OS X widget development. It also uses a ZIP file, and a property list file (info.plist) is used for configuration.

The property list format stores serialized objects in a file with a .plist extension. The contents are in XML format, but without the typical XML tag usage.

In a property file, objects are stored along with their properties. Each property can be a string, a number, a Boolean, an array, a key/value dictionary, or some other type, depending on the system. For each property, we define the name as one

The best content for your career. Discover unlimited learning on demand for around $1/day.