Agile Ajax: Rails Development for iPhone with rails_iui

„I’ve been doing some web development for iPhone and Mobile Safari lately, not least because of a series of articles that will be showing up in IBM DeveloperWorks soon.

I was using the iUI toolkit, which contains a number of CSS styles and JavaScript event handlers to make iPhone Web apps look and feel somewhat like native iPhone applications. As I was working with iUI, I realized I was building up a library, so I converted everything to a Rails plugin: rails_iui.

Get the plugin from github: git://

Right now the plugin is primarily interested in doing a few things:

It contains a rake task to download iUI, move it’s files to the Rails public directories, and change the CSS image URL’s accordingly.

There’s a controller class method acts_as_iphone_controller, calling that sets up a before filter that captures the Mobile Safari user agent string and sets the request format to iphone for use in respond_to blocks. For testing purposes you can call the method as acts_as_iphone_controller(true), and all calls will be treated as iPhone requests.

There is a module of helper methods that are wrapper methods or combinations of iUI CSS classes. Included are:


A method for creating the iPhone toolbar at the top of the view.

Methods for creating the iPhone list structures from a list of elements that know their associated URLs, including a grouped list in the style of the iPod application

Rounded rectangle classes

A form helper for the iPhone toggle button, as seen in the settings page.

A method to specify an Ajax callback when the phone changes orientation“

Agile Ajax: Rails Development for iPhone with rails_iui

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