Android Rom development (fixing video camera, etc.)

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First of all, lots of respect to the devs for all the work they have done so far. The last few weeks we've gone from almost nothing to one of the most complete android ports of all windows devices.

Now for the topic: I'm a (beginning) software developer and after a lot of development on the .net framework I started learning java last year, at university.

I was wondering what parts of android are actually written in java. I know that the linux kernel and stuff is written in low-level languages like C(++) or even assembler. On top of that, Android runs a java virtual machine (called drupal if I remember correctly).

Does the built-in software, like for example the standard camera software, run in java, or has it been written in low-level languages to improve speed? If it has been written in Java, can we actually edit that code from the roms that are commonly used?

If so, I think there are a lot of people that could look at stuff like fixing the video camera (by changing the button layout in that mode for example) and other small bugs that occur on higher software levels. I think there are a lot of people that know nothing about kernel development but do know stuff about java (or similar OO-languages like C#) that could help out with stuff like this.

Am I on to something here? Any people that can tell me more about this?

i dont relly know
up up !!

in XTarantula's ROM the Stock Video Camera works with sound.

his build is based on Android 2.1 (Eclair) update 1.
Model Number is Nexus One and is fully stock (even with Stock Launcher, no launcher pro preinstalled.)

its a great build, im just waiting for a Froyo Build with the same features.

hope this will help: http://developer.android.com/guide/t...ui-events.html