Has anyone had any luck running a jvm inside a screensaver?
I have found that I can get one up ok, even a 1.5 JVM, and call
methods on java classes, but the moment anything loads up an awt
class (even java.awt.Dimension), the whole thing bombs - the saver
exits altogether.
I suspect strongly that something is spinning up an AWT event loop,
and that it is fighting with the Cocoa event loop used by a screen
saver.
Perhaps a good way to investigate this would be to pass the Headless
flag, then see if it gets any further. (Since a screen saver is not
headless, you will need to resolve this eventually, but it might give
good bug report fodder.)
It might also we worth asking the Eclipse folks whether they solved
mixing the AWT and Carbon event loops for Eclipse, and if so, how?
I was hoping to do the apple natives for http://
screensavers.dev.java.net/ , but it isn't looking hopeful.
FWIW, I asked for support for the screen saver framework in Cocoa
Java, but since they are not moving anything new to cocoa java, I am
not hopeful.
As an aside, if doing Cocoa in Java is important to you, I strongly
suggest calling your sales representative and emailing
email@hidden to suggest better Cocoa-Java support. This is not a
technical decision on Apple's part, it is a resource allocation
decision on the part of the Cocoa team. To change resource
allocation decisions, you need to convince them that this is
economically valuable for Apple. Use financial numbers, not
passionate arguments.
Scott
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