Well, presumably that means you'll have some code like this in
SystemServer.java somewhere, in order for the service to be created and
registered inside system_server:
MyCustomService newService = new MyCustomService();
ServiceManager.addService("custom_service", newService);
In order for the framework build to compile, you will need to provide the
code for that new class in a library somewhere. You could create a prebuilt
module for the JAR file with a separate Android.mk like so:
LOCAL_PATH := $(my-dir)
include $(CLEAR_VARS)
LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := libprivate:private-service-lib.jar
include $(BUILD_MULTI_PREBUILT)
…then take that library name and add it to frameworks/base/Android.mk
somewhere:
LOCAL_STATIC_JAVA_LIBRARIES := libprivate
You might have to tweak some, but that's the general idea.
Cheers,
Dave Smith, PE
@devunwired
On Tuesday, May 3, 2016 at 9:25:04 AM UTC-6, Andre Zuban wrote:
>
> It's the former. It's OK to include some registration code in the source
> our partner uses to do the build. Do you know any details on how to include
> the JAR in their build?
>
> Andre
>
> On Monday, May 2, 2016 at 10:25:45 AM UTC-4, Dave Smith wrote:
>>
>> Andre -
>>
>> How did you plan to integrate the system service at runtime? Are you
>> injecting the code into system_server, or are you packaging the result
>> into a separate application process (a la the pattern used by the Bluetooth
>> and NFC services)? If the latter, the issue should be fairly
>> straightforward as you can just provide the APK and the final build can
>> include it using BUILD_PREBUILT. This is generally my preferred approach
>> to adding system services.
>>
>> If the former, that may be more difficult as there isn't a clean
>> separation between the code you are adding and the framework code that you
>> change. In this case, at least some of the code to register the service may
>> be need to be in the sources, while the service implementation itself could
>> be a JAR listed as a dependency in the makefile of framework core.
>>
>> Cheers,
>> Dave Smith, PE
>> @devunwired
>>
>> On 29 Apr 2016, at 17:18, Andre Zuban wrote:
>>
>> Hello!
>>
>> I know how to add another Android system service to the platform build
>> when I do the final builds, but in a situation when some partners do
>> the actual builds and produce the final FW I need to give them the
>> service in a prebuilt form (I guess as a jar file) to be included into
>> their platform build because I cannot give them the sources (for
>> intellectual property reasons). How can I do that? I guess this should
>> be easily achievable.
>>
>> Thanks,
>> Andre
>>
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