On 1 Oct 2006, at 15:52, Malte Brill wrote:
One reason might be filesize. Universal apps are twice as big.

Some thought and tests show that that's simply not true... ;-) I've seen this idea floating around plenty of times on Mac forums, but was a bit surprised to see it mentioned on a developer list.

The *binary* would be roughly twice as large, the *application* is not. This becomes obvious when looking inside the package of applications not made with Revolution - typically you will find all the interface elements, help files etc. outside the binary application file so obviously these files are not duplicated.

A good example is iMovie HD - the application package is around 80MB, but the binary file is a *mere* 6MB for the UB version.

A quick test with Rev shows that although all included images etc. are embedded into the binary, it IS doing some sensible stuff - dropping a load of images onto a test stack then building leads to:

Intel package   6.4MB
PPC package     6.7MB
UB package              8.4MB

You are basically looking at a couple of extra megabytes for the addition of the extra engine. This appears to be consistent even when the stack is drastically different in size, as an empty stack and a full-blown working stack+sub-stacks with loads of externals both gave results within 2MB between PPC and UB builds.

So I really can't see file size as an issue. Being limited to 10.3 and above is likely to be much more of an issue...

Ian
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