Like Dianne said, you can't. Use the published SDK APIs to access the
various functionalities exposed by Android.

JBQ

On Wed, Jan 14, 2009 at 2:38 AM, taosinker <[email protected]> wrote:
>
> Hi Dianne:
>
> Could you give me an advice to resolve it?  Now I find the reason is
> /dev/xx is the root permission, but android app user is like app_xx.
>
> To resolve this, my idea is, I create a native service run with the
> root right, my android app call the service api to read write the fd
> of /dev/xx.
>
> I don't know if my idea is ok or not. Are there any other solution.
>
> Thank you very much.
>
> Regards
>
> On Jan 14, 2:28 am, "Dianne Hackborn" <[email protected]> wrote:
>> Much of the device tree is not directly accessible to applications; there is
>> no way to get around this.
>>
>> On Wed, Jan 14, 2009 at 12:22 AM, taosinker <[email protected]> wrote:
>>
>> > Hi all:
>>
>> > I want to open an /dev/xx file in a jni so which is load in my Android
>> > java application. But return a "permission denied" error.
>>
>> > Do you have any advices?
>>
>> > Regards
>>
>> --
>> Dianne Hackborn
>> Android framework engineer
>> [email protected]
>>
>> Note: please don't send private questions to me, as I don't have time to
>> provide private support.  All such questions should be posted on public
>> forums, where I and others can see and answer them.
> >
>



-- 
Jean-Baptiste M. "JBQ" Queru
Android Engineer, Google.

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