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


Widgets come in a lot of different varieties, as the technology has emerged from different vendors and organizations at different times.


We will start with Nokia and Symbian Foundation devices, because they are the ones with the oldest mobile widget platform and the most experience in this field. Since Series 60 3rd edition Feature Pack 2 (and for some FP1 devices with a firmware update), every Nokia device supports a version of the Web Runtime (WRT) engine. These devices hit the market starting in 2007.

WRT is a first-class citizen mobile widget engine. When a WRT widget is installed it appears like any other Symbian or Java ME installed application, and might look like Figure 12-2. From the user’s perspective, there is no difference between widgets and native installed applications. And, of course, the widgets are created entirely using web technologies.

A WRT widget looks like any other application. It even has native menu support created using JavaScript.

Figure 12-2. A WRT widget looks like any other application. It even has native menu support created using JavaScript.

As a Symbian technology, WRT is also available in non-Nokia devices, such as Samsung and Sony Ericsson devices.

At the time of this writing, the platform is divided into the following versions:

  • WRT 1.0 for Series 60 3rd

  • WRT 1.1 for Series 60 5th

  • WRT 7.1 with optional home screen support (Nokia N97, N97 Mini)

  • WRT 7.2 with optional multipage home screen support (Nokia N8)

Home screen support (also known ...

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