Be careful what you loadmovie…

After being involved with AS3 and Flex for so long, I think I am now at a point where I have a really good understanding of the Flex framework. So when I was asked to build this online app, I immediately started it with Flex and before long had most of it working. However, the application was supposed to be a subcomponent of a larger AS2 project and was supposed to be loadmovie-ed. I didn’t realize till too late that AS2 swfs actually cannot loadmovie AS3 swfs (well Flex for sure, not sure about AS3 but doubt that too). This definitely left me feeling very ‘d-uh’. We ended up working around this by creating an AS3 base swf that loads the AS2 swf and then when the sub-app was supposed to be loaded, the AS2 swf told the base movie to do so via LocalConnection. This is definitely a hack but I couldn’t think of any other way to get this to work.

If anyone is aware of this or has successfully managed to load an as3 swf into an as2 swf via loadmovie, do drop me a comment. For others, be careful what you loadmovie ;).

Be careful what you loadmovie…

2 thoughts on “Be careful what you loadmovie…

  1. Flash SWF9 ( if it uses AS3) cannot be loaded into SWF8 or lower. This is because SWF9 uses AVM2, and SWF8 uses AVM1, and AVM1 cannot load AVM2.

    Here is a page from flex2 docs which explains the different combinations:
    http://livedocs.adobe.com/flex/2/docs/00001801.html

    You might be interested in this article which details some possible solutions: http://www.flashextensions.com/blog/2006/11/14/interfacing-between-flash-8-9-problems-and-solutions/

    Cheers,
    Arul Prasad.

    Like

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