Sorry, the path mentioned in the last e-mail is wrong. The correct path is development/samples/PlatformLibrary/
On Mon, Apr 20, 2009 at 12:22 PM, Yi Sun <beyo...@gmail.com> wrote: > See inline.., what I tell u is only something works but may not be the > "good" way > > > > On Apr 20, 2009, at 12:07 PM, Archer <archerstark...@gmail.com> wrote: > > >> Greetings, Dianne, Yi and others, >> >> I have a need to do something similar, that is to access a backend >> native service from the application. >> >> Going through the messages here, there are several things that are >> unclear to me. I'd really appreciate if you can provide more >> information on them. >> >> (1) On the native service side (C/C++), I can create a native binder >> service class. I can also implement a native executable to instantiate >> the binder service and add the service to the service manager. Then >> what is the right way to start the native service? (Run the native >> executable in some start up scripts?) >> >> [yi] I hook it up from init.rc > >> (2) On the application side (Java), Dianne, you mentioned "make a >> shared library that apps request with <uses-library>", exactly what is >> this shared library? Is it the native shared library containing the >> interface implementation of the service? >> >> [yi] take a look at developer/samples/platform you will get it > > Archer >> >> On Apr 1, 10:46 am, Dianne Hackborn <hack...@android.com> wrote: >> >>> On Wed, Apr 1, 2009 at 5:39 AM, iblues <iblues....@gmail.com> wrote: >>> >>>> With respect to performance, which approach is more better? Because >>>> all the other modules in Android such as Camera or Media Recorder >>>> module all use native binding and JNI layer for java access. >>>> >>> >>> It just depends how you want to structure things. Eventually you are >>> going >>> to hit the IPC barrier; the most important thing is probably to keep that >>> as >>> efficient as possible (in particular reducing the number of IPCs that >>> occur >>> as much as possible). >>> >>> -- >>> 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 -~----------~----~----~----~------~----~------~--~---
