MicroEmu Java

aditya3098 · 05-01-2013, 09:47 AM

I was thinking about porting MicroEmulator to the touch. Will the built in java "cvm" work or will I need to get oracle's headful java se embeded?

hawhill · 05-01-2013, 11:18 AM

Not sure - I guess you will need to go and try. And be prepared that you'll have to adapt the source quite a bit to fit it into the Kindlet API (if you use cvm).

aditya3098 · 05-01-2013, 11:22 AM

Quote:

Originally Posted by hawhill

Not sure - I guess you will need to go and try. And be prepared that you'll have to adapt the source quite a bit to fit it into the Kindlet API (if you use cvm).

Exactly what I asked. So what you're saying is that if I use the cvm, I need to use the kindlet api, and cannot invoke swing, awt etc in a seperate window (X window)?

hawhill · 05-02-2013, 06:24 AM

Yes. Cvm comes pretty much hardcoded with the (Java2 ME architecture, BTW, but that doesn't tell you much alone) CDC API. Kindlet graphics is very much based on AWT API, but I think there are exceptions to that. The Java standardization world is about as messy as marketing mixed with a quite universally used language suggests, so for what it's worth: the Kindle runs a Java 2 ME CDC profile stack (with some Kindle specific additions). You might also find this interesting: http://docs.oracle.com/javame/config...e/html/toc.htm

PS: The API that is offered to _Kindlets_ is highly Kindle specific, which is done through a Java security model, strongly coupled with the class loader of the CVM. This means that the full capacity of the cvm is not offered to Kindlets by default.

05-01-2013, 09:47 AM	#1
aditya3098 Guru Posts: 608 Karma: 1588610 Join Date: Jan 2012 Device: Kindle Scribe	MicroEmu Java I was thinking about porting MicroEmulator to the touch. Will the built in java "cvm" work or will I need to get oracle's headful java se embeded?

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05-01-2013, 11:18 AM	#2
hawhill Wizard Posts: 1,379 Karma: 2155307 Join Date: Nov 2010 Location: Goettingen, Germany Device: Kindle Paperwhite, Kobo Mini	Not sure - I guess you will need to go and try. And be prepared that you'll have to adapt the source quite a bit to fit it into the Kindlet API (if you use cvm).

05-02-2013, 06:24 AM	#4
hawhill Wizard Posts: 1,379 Karma: 2155307 Join Date: Nov 2010 Location: Goettingen, Germany Device: Kindle Paperwhite, Kobo Mini	Yes. Cvm comes pretty much hardcoded with the (Java2 ME architecture, BTW, but that doesn't tell you much alone) CDC API. Kindlet graphics is very much based on AWT API, but I think there are exceptions to that. The Java standardization world is about as messy as marketing mixed with a quite universally used language suggests, so for what it's worth: the Kindle runs a Java 2 ME CDC profile stack (with some Kindle specific additions). You might also find this interesting: http://docs.oracle.com/javame/config...e/html/toc.htm PS: The API that is offered to _Kindlets_ is highly Kindle specific, which is done through a Java security model, strongly coupled with the class loader of the CVM. This means that the full capacity of the cvm is not offered to Kindlets by default.

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