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Date: Wed, 12 Feb 2014 11:25:04 -0800
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Subject: Re: Flex vs. Actionscript Mobile Benchmarsk
From: OmPrakash Muppirala <bigosmallm@gmail.com>
To: dev@flex.apache.org
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On Feb 12, 2014 11:05 AM, "Sean Thayne" <sean@skyseek.com> wrote:
>
> I think it would be interesting, but not really realistic.
>
> The creator of Starling was unable to use the standard Flash Event and
EventDispatcher. So he instead created his own. That plus the fact that all
the Flex components are built off flash's display list classes. And
Starling is based off their own display list classes. It makes it really a
big big rewrite of Flex.
>
> It would be very very cool though. If you could use the power of Flex
with the performance of Starling. That would be amazing.
>

It is definitely possible, especially with the new FlexJS SDK.  If someone
has time to play with it, that would be great.  If course, there would be
no cross-compiling Starling stuff to JS, but the way the new SDK is built,
it should be possible to use a Starling based display list, I believe.

Thanks,
Om

>
> On 2/12/2014 12:00 PM, flex@dfguy.us wrote:
>>
>> I did a flex mobile app and also compiled an example feathers project.
It appears that the hardware acceleration with starling/feathers is the
same performance as native apps while flex has a larger set of libraries
that are loaded and run on the cpu. You use a number of techniques to
reduce computations to speed up flex. The flex framework does have a
massive amount of features available via mail and action script though.
>>
>> What I was wondering was if it would be possible to create some feathers
based flex components for some of the basic ui stuff like scrolling lists.
I also wondered about using the starling objects (sprite/movieclip) at the
base level of the flex framework but I don't think that's possible because
starling isn't a complete replacement of all objects but I could be wrong.
The only other thing that cam to mind would be to render out a flex
application to a hardware accelerated display object of some kind but I'm
not sure if the slowness is due to the flex rendering or just managing the
framework on the VP in which case replacing the rendering phase and
communications between the two would still be slower.
>>
>> In the past there were times that I used flex libraries in pure action
script projects as well by including some of the flex swc files and
instantiating classes in actionscript. I think I did this with some of the
recipient classes for example.
>>
>> David
>>
>>
>>
>> -----Original Message-----
>> From: Jun Heider <jun@realeyes.com>
>> To: dev@flex.apache.org
>> Sent: Wed, 12 Feb 2014 12:43 PM
>> Subject: Re: Flex vs. Actionscript Mobile Benchmarsk
>>
>>
>> On Feb 12, 2014, at 11:22 AM, Sean Thayne <sean@skyseek.com> wrote:
>>
>>> I think it's pretty well known that Flex is not the fastest system for
>>> Air/Flash. It's just the most feature complete system. Starling/AS3 is
much
>>> faster than Flex. But it doesn't have any real components/features. So
you
>>> need to code up everything from the ground.
>>>
>>> -Sean Thayne
>>>
>> Sean, pretty much agree with you, but don't forget about Feathers for
Starling: http://feathersui.com/
>> A coworker of mine has recently but a pretty sweet mobile productivity
app with it. :)
>>
>

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