So it seems that I only have following choices:
1. write my own JNI to access my service.
2. hack the ApplicationContext to add my service into into getSystemService.
I also need to build my own service class into android.app package. In my
client, I will call getSystemService collect my service handle and do binder
operations.
Yi
On Tue, Mar 31, 2009 at 2:31 PM, Dianne Hackborn <hack...@android.com>wrote:
> It is not in the SDK, and as a rule applications should not be directly
> accessing system services. You'll note that there are tons of system
> services in the standard android platform, and they all have appropriate SDK
> APIs for calling them (and the Context.getSystemService() API to allow apps
> to access them).
>
>
> On Tue, Mar 31, 2009 at 1:47 PM, Yi Sun <beyo...@gmail.com> wrote:
>
>> But, the ServiceManager is not an exported java API at all.
>> Thanks
>> Yi
>>
>>
>> On Tue, Mar 31, 2009 at 12:48 AM, Dianne Hackborn <hack...@android.com>wrote:
>>
>>> You are mixing two different things. You are creating a low-level core
>>> system service, and then trying to connect to it as if it is a high-level
>>> application service. If you are using service manager to publish it, you
>>> need to use service manager (in Java ServiceManager) to access it.
>>>
>>>
>>> On Mon, Mar 30, 2009 at 10:45 PM, Yi Sun <beyo...@gmail.com> wrote:
>>>
>>>> Hi Dianne,
>>>> Thanks for the reply. Actually here is what I want to do:
>>>> On the service side (C code), reusing binder.c in the service_manager
>>>> directory. So my code will call
>>>> 1. binder_open,
>>>> 2. bio stuff to build an io block for adding service,
>>>> 3.binder_call to add service to service_manager.
>>>> 4. binder_loop to wait for requests. (Just do a quick prototype here, so
>>>> no multi-threads)
>>>>
>>>> On the client side (java), send request to the service I built and
>>>> receive replies.
>>>> Now, if I run /system/bin/service list, I can see my service like this:
>>>> # /system/bin/service list
>>>> Found 43 services:
>>>> 0 Binder.Test.IBindertest: []
>>>>
>>>> But, on the java side, I can not really get the binder object for this
>>>> service. The bindService call failed with following error messages:
>>>> W/ActivityManager( 581): Unable to start service Intent {
>>>> action=Binder.Test.IBindertest }: not found
>>>>
>>>> Yi
>>>>
>>>> On Mon, Mar 30, 2009 at 10:01 PM, Dianne Hackborn
>>>> <hack...@android.com>wrote:
>>>>
>>>>> If you are writing a low-level system service, the high-level Service
>>>>> API (onBind() etc) is irrelevant. The aidl stuff is part of the primitive
>>>>> Binder IPC stuff; Service is a much higher-level facility built on top of
>>>>> it.
>>>>>
>>>>>
>>>>> On Mon, Mar 30, 2009 at 7:21 PM, beyounn <beyo...@gmail.com> wrote:
>>>>>
>>>>>>
>>>>>> Ok, let me try out the AIDL part, it seems simpler. But I do have a
>>>>>> question about it and hope you could give more hits. I took a look on
>>>>>> the AIDL, it seems that on the service(server) side, we have to
>>>>>> implement onBind and other methods. For my case, does it mean that I
>>>>>> don't need to care about the service side works and only need to
>>>>>> implement something like RemoteServiceBinding.java in the example code
>>>>>> for my self?
>>>>>> Thanks
>>>>>> Yi
>>>>>>
>>>>>> On Mar 30, 6:36 pm, Dave Sparks <davidspa...@android.com> wrote:
>>>>>> > You can write AIDL to generate your Java binding, or you can write
>>>>>> > your own native binding and put a JNI layer on top of that. If you
>>>>>> > don't plan on calling your service from native code, AIDL is much
>>>>>> > easier.
>>>>>> >
>>>>>> > On Mar 30, 6:08 pm, beyounn <beyo...@gmail.com> wrote:
>>>>>> >
>>>>>> > > Hello,
>>>>>> > > I'm writing a service by C. My code calls binder to add a service
>>>>>> > > called "myservice" into servicemanager. And I can add "myservice"
>>>>>> > > without any problem. Also, when I run "/system/bin/service list",
>>>>>> it
>>>>>> > > shows the service added by me. The question is -- What is the
>>>>>> correct
>>>>>> > > way to access this service from my application that is written by
>>>>>> > > java?
>>>>>> > > Thanks
>>>>>> > > Yi
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> 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. All such questions should be posted on public
>>>>> forums, where I and others can see and answer them.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> 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. All such questions should be posted on public
>>> forums, where I and others can see and answer them.
>>>
>>>
>>>
>>>
>>
>>
>>
>
>
> --
> 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. All such questions should be posted on public
> forums, where I and others can see and answer them.
>
>
> >
>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"android-framework" group.
To post to this group, send email to android-framework@googlegroups.com
To unsubscribe from this group, send email to
android-framework+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-framework?hl=en
-~----------~----~----~----~------~----~------~--~---
