Re: FLASH: Flash 5 retrocompatibility?

[John Dowdell]

At 11:29 AM 9/14/0, John King wrote:

> With flash5 everything's fine but if you try to view these with

> only the flash4 player you get nothing.


If you find this is an issue on your sites, then your movie can test

whether the version property is 5.0 or greater, and direct them to "hey you

need to update!" screen and link if not. (Just don't use a lot of the new

scripting to get there.... ;-)



> What I want to know is what is the new thing that's keeping

> flash5 content from being viewable with flash4player


SWF is a tagged file format, like HTML, so just as an old browser can do

some rendering of pages with new tags, it won't be able to render

everything. This recent release has mostly new interactive features rather

than media features -- you might remember how F3 Players couldn't play the

MP3 audio in SWF4 files, or how "there's no transparency!" came up when

Flash 3 was released -- these days new movies will just be a little odd if

an old player tries to render them. If you're targeting old players then

I'd recommend publishing in an old SWF format so you know what you're

getting.


jd








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