[android-developers] Re: Android 2.0 SDK is here!

2009-10-27 Thread ZaichengQi

感谢,最近翻墙无术了。。。

On Oct 28, 9:39 am, dan raaka danra...@gmail.com wrote:
 The https site throws errors and hence used http site, however it shows
 about the Google addon and not the SDK platform android, as seen in the
 screenshot inhttp://developer.android.com/images/sdk_manager_packages.png

 Any ideas .. why ?

 -Dan



 On Tue, Oct 27, 2009 at 6:35 PM, xii stan stan@gmail.com wrote:
  Great Work!

  android 2.0

  But I can not visit this website! I am in Shen Zhen  in China!!!

  Does any one could help me! Thanks a lot

  On Wed, Oct 28, 2009 at 8:44 AM, Bonifaz bonifaz.kaufm...@gmail.comwrote:

  This sounds great. I was fevered waiting for Bluetooth RFCOMM.
  Thanks so much! Multi-touch is also awesome.
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[android-developers] Re: access /dev/graphics/fb0 from JNI FAILED

2009-10-22 Thread ZaichengQi

Thank you all for your kindly help. I've know the rules of developing
on android platform. These are considered dirty in android developing.
Maybe I have to find another way around.
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[android-developers] How android translate kernel input eve nts to userland input events?

2009-10-22 Thread ZaichengQi

If I paste on the wrong group, please warn me.

Hello,I‘m now learning how android handles linux input events from
kernel raw input events to the userland level KeyEvent and so on. And
I want to handle input events in native language. I've do some
experiments on handling events using NDK but the touch screen events
are very hard to handle(when I touch the screen, It generates a lot
of
kernel events).

I've read the eventhub class in framework base dir in the android
source repo. And I now I know how android collects linux kernel raw
events using eventhub class by reading from /dev/input/event* , but I
still have no idea how it translates these raw events into the
userland logic input events like KeyEvent. The file keyinput service
only wrappers eventhub to JNI functions but there are no translation.

So please give me some hints on the kernel event and userland event
translation process.

Thanks in advance.
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[android-developers] Re: How android translate kernel input events to userland input events?

2009-10-22 Thread ZaichengQi

Thanks for your help. I know that I can get root privilege only on my
dev phone, and I will not try to really handle these events by myself.

On Oct 23, 11:55 am, Dianne Hackborn hack...@android.com wrote:
 You can't handle input events in native code, the framework takes care of
 that and you will break things if you fight with it (and can't anyway
 because you shouldn't have permission to open the driver).
 You can look at EventHub.cpp and KeyInputQueue.java to see how the framework
 transforms the raw driver events into the MotionEvent and KeyEvent objects
 your app receives, but you can't do anything like that in an application.





 On Thu, Oct 22, 2009 at 8:37 PM, ZaichengQi vml...@gmail.com wrote:

  If I paste on the wrong group, please warn me.

  Hello,I‘m now learning how android handles linux input events from
  kernel raw input events to the userland level KeyEvent and so on. And
  I want to handle input events in native language. I've do some
  experiments on handling events using NDK but the touch screen events
  are very hard to handle(when I touch the screen, It generates a lot
  of
  kernel events).

  I've read the eventhub class in framework base dir in the android
  source repo. And I now I know how android collects linux kernel raw
  events using eventhub class by reading from /dev/input/event* , but I
  still have no idea how it translates these raw events into the
  userland logic input events like KeyEvent. The file keyinput service
  only wrappers eventhub to JNI functions but there are no translation.

  So please give me some hints on the kernel event and userland event
  translation process.

  Thanks in advance.

 --
 Dianne Hackborn
 Android framework engineer
 hack...@android.com

 Note: please don't send private questions to me, as I don't have time to
 provide private support, and so won't reply to such e-mails.  All such
 questions should be posted on public forums, where I and others can see and
 answer them.
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[android-developers] access /dev/graphics/fb0 from JNI FAILED

2009-09-17 Thread ZaichengQi

I'm trying to access android framebuffer device /dev/graphics/fb0 from
JNI function compiled by android NDK 1.5r1.

I wrote a JNI funtion from my test module using fbfd = open(/dev/
graphics/fb0, O_RDWR), but the errno from errno.h returns me
EACCES.
ps: I logged the module using android/log.h and see the native
function is correctly loaded.

When I compile an excutable using the same function, I can get the
framebuffer file descriptor.

So how can I access /dev/graphics/fb0 from davlik JNI?

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