From: Robin Hilliard [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 01, 2005 3:33 PM
To: [email protected]
Subject: Re: [flexcoders] Cairngorm + Flash
Hi Agha,
Here's the main differences:
1) Instead of tags, break the UI down into library symbols and link each one to a view class. Remember all the UI controls have to be declared as properties in your class.
2) You have to install the remoting components and use mx.remoting.Service
3) In delegates use mx.rpc.RelayResponder instead of mx.utils.Delegate.
4) You'll need to tweak the service locator to allow you to register services in actionscript, or just not use the service locator.
5) Use property setters, custom updateModel/updateView methods (or something more elegant) instead of binding in the UI (probably the Flex feature I miss most in Flash, closely followed by the layout containers).
I think there's a place for RIA development in Flash - there are always going to be projects where Flex won't be an option (although it is an option more often than you'd think :-) and in those cases frameworks like Cairngorm and ARP will make things much easier. I'd say the main drawback to Flash is that UI Component Set 2 has some serious limits to it's scalability on the current player - I wouldn't attempt anything larger than a few screens in Flash.
Cheers,
Robin
http://www.rocketboots.com.au
On 02/03/2005, at 9:44 AM, Steven Webster wrote:
Agha,
Can Cairngorm be used with Flash and if yes, where do I find any sample that I can look at?
Sure Cairngorm can be used with Flash ... the only difference is that your user experience has to be
built up in the FLA, and not using MXML; however, all the design patterns for managing response
to user gestures, business logic, service calls, etc, still apply.
In the ActionScript 2.0 Dictionary, we published something very similar to the Cairngorm framework
(an early incantation of) which also includes an ActionScript 2.0 ServiceLocator for Flash Remoting.
I know that Robin Hilliard and the team at RocketBoots have also been using Cairngorm with both
Flash and Flex projects.
We've not made any recommendations as to how you should build your FLA -- truth be told, in
our humble opinion, if you're building RIA, you should be building them with Flex, not Flash.
However, if you want some guidance on how to structure your FLA, you could check out what
Aral has done with his ARP framework, which provides a bit more prescription as to how you
should structure your FLA file on top of the same collection of design patterns as Cairngorm
is using.
Perhaps Robin Hilliard might be able to pipe up with some specific advice.
Mine would be to spare yourself unnecessary pain, trauma, performance woes and
wheel reinvention and use Flex ;-)
Hope that helps,
Steven
--
Steven Webster
Technical Director
iteration::two
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