Re: Anyone developing Java ME on OS X?

Hi Robert,

Thanks - I tried this but it doesn't work either. The app won't even  
launch on my 7610 using this method.

If I obfuscate using Proguard v2.1 any preverifier I have tried (four  
of them including the MPower one) seems to crash (see below), some of  
them don't output anything but from the size of the resultant JAR it  
seems they're all doing the same thing. This never used to happen!

[exec] preverify(1989) malloc: *** error for object 0x33ca50:  
incorrect checksum for freed object - object was probably modified  
after being freed, break at szone_error to debug
[exec] preverify(1989) malloc: *** set a breakpoint in szone_error to  
debug

If I use ProGuard later than 2.1 the preverifier appears to work OK,  
though apps obfuscated with ProGuard v3.x don't launch at all on the  
7610 and those obfuscated with 4.x give a ClassFormatError at some  
point!

So I'm pretty stumped. I think the problem is only with CLDC1.0  
devices, certainly it's just with older devices. Hopefully I'll find  
a solution soon!

cheers

> you could try using the preverification mechanism of ProGuard  
> itself (using the "-microedition" switch).
> Haven't tried this myself though - I use the mPower Player  
> preverifier without problems...

====

James Closs, Director, bitBull Ltd

http://www.bitbull.com

07771 991171

====

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