Strategies I used to make a simple web application adapt for both desktop/laptop and mobile browsers:
- Read http://docs.blackberry.com/4305/. Key elements - keep the page simple, don’t assume you’ll have CSS, don’t assume you’ll have scripting or images.
- Validated the pages for both XHTML Basic and mobileOK up at http://w3c.org
- Used user agent detection which relied on strings posted at http://en.wikipedia.org/wiki/List_of_user_agents_for_mobile_phones. Preserved an identifier to allow a custom CSS file for devices. Test for the presence of the custom CSS file, thus, new ones can be added later.
- Tested the BlackBerry and Android using simulators.
- Chose to use a single script that adapts to the user agents, rather than separate dedicated files, since the basic processing is the same regardless of device.
- Used FireFox for development, it’s much easier to work with than a mobile simulator or device.
- Used the Apache access_log to get the UserAgent string (you could also use PHP’s $_SERVER[’HTTP_USER_AGENT’] or the equivalent), with cURL to get the page Google delivers for Androids. This effectively allows you to view the source for a mobile device, and it’s much easier on a lap or desktop.
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