Create QQ Group (28759870)

by bin » Wed, 19 Nov 2008 14:12:33 GMT

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 i create a qq group for android developer.
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Create QQ Group (28759870)

by dove xia » Wed, 19 Nov 2008 18:17:52 GMT

 Maybe msn group is better.


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1. Is the and javax security available

Yes, it's OK in Java to extend SecureClassLoader, but I don't think
it's going to help you, unless there's a whole lot of magic I don't
know about.

The dalvik VM doesn't use Java's standard byte codes. You'd have to
post-process them into the stack machine format it does use.

I have no idea how feasible that is, but it's definitely going to be
harder than just generating Sun's byte codes. Or you could generate
them directly -- either way, I expect you have a lot fewer examples
and tools to work from.

I'm guessing you'd need to work with DexClassLoader somehow. The byte
codes themselves are defined in dalvik.bytecode.Opcodes -- but I don't
see enough support to make that fact actually useful.

Anyway, the package index for the SDK is at:

and is not on the list.

You might be able to port enough of the tool chain to Android to be
able to do the job -- but I can't think of a job that would make it
worth it.


2. How to track memory changes for a single process on android?

Hi everyone,

Recently I've been trying to measure the memory changes for apps,e.g.,
the browser app.
I port gdb to android and attach it with the process of browser app.
I want to dump the memory for heap and stack periodically and compare
the changes.
So I need to know where the heap and stack are located in the
process's address space.
But I couldn't find a way to get these information.
Can anyone please help me or provide some other alternatives to track
memory changes?

Thanks a lot!



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