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Device-independent Mobile Web Application Development

Device-independent Mobile Web Application Development . Archana Mandape. Importance of Mobile devices . 234 million Wireless subscriptions in USA. Many players in the smart phone market. Apple iPhone OS, RIM BlackBerry OS and Android OS are operating systems.

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Device-independent Mobile Web Application Development

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  1. Device-independent Mobile Web Application Development ArchanaMandape

  2. Importance of Mobile devices • 234 million Wireless subscriptions in USA. • Many players in the smart phone market. • Apple iPhone OS, RIM BlackBerry OS and Android OS are operating systems. • Mobile devices are getting faster processors • Improved Wireless Network. • An important platform for Web Applications

  3. Smart phone market share

  4. Device Independent Mobile Web Application challenges • Consistent user experience • Mobile Device Display • Data Storage • Speed

  5. Consistent User Experience - Mobile Browsers

  6. WebKit Browser Engine • WebKit is an open source web content engine for browsers and applications. • WebKit is used as the rendering engine within iOS, Android , Safari on Windows and also in Mac OS X. • WebKit has a smaller footprint – less memory and CPU requirement. • It is ideal for the mobile environments. • It can be used for desktop and mobile web page development.

  7. Mobile Device Display • Mobile Device Display • The size of the viewport and scale of the web page • The device's screen density • Using Viewport Metadata <meta name="viewport" content="width=800" /> • Automatic sizing • <meta name="viewport" content="width=device-width" />

  8. Mobile Device Display • Defining the viewport scale. Its • initial-scale • minimum-scale • maximum-scale • user-scalable • Defining the viewport target density. Its values can be. • device-dpi • high-dpi • medium-dpi • low-dpi • <value>

  9. Data Storage • Cookies • Stored on device memory • Not suitable for large data • Not reliable • Client-Side Storage • No Access for Web Apps • HTML5 provides few capabilties • Database on the Server • Best available option • Common technique - JASON

  10. Speed • Reduce number of requests and amount of data transferred • Avoid multiple file requests • Data Compression • Eliminate redirects

  11. Conclusion Developing Device Independent Mobile Web Applications can be achieved to some extent!!

  12. References • Advance css By: Joseph R. Lewis; MeitarMoscovitz • Programming the Mobile Web By: MaximilianoFirtman • Towards a uniform web application platform for desktop computers and mobile devices By TommiMikkonen and Antero Taivalsaari

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