I was not aware of the overhead issue with a "local" Binder, I thought this case was optimized. I hope the Android team will work on this so that we won't have to reinvent the wheel. I will look at your code once it'll be available, this sounds interesting.
2009/7/19 Mark Murphy <[email protected]> > > Guillaume Perrot wrote: > > Using both startService and bindService is handy to wait for the > > onServiceConnected callback before requesting a singleton reference > > that is set in the service's onCreate. > > If you do this just after the startService, the reference will be > > null. > > Correct, because startService() (and bindService() FWIW) are asynchronous. > > > The startService is needed for the service to continue running when > > the activities have been destroyed (and call unbind). > > Correct. > > > A use case is a service managing a background XMPP connection in a > > chat/social application (only the "sign out" user action would call > > stopService). > > So, Mark I don't understand your point when you say not to use both > > startService and bindService. > > Going through Binder, and all of the work to set up an out-of-process > connection to something in your same process, just to find out when a > service is ready for use, seems like a waste. I do not get the > impression that Binder is optimized for the in-process case, given all > of the comments to that effect from the core Android team. > > To that end, I've put together a local IntentBus, that uses Intents and > IntentFilters to enable decoupled communication between activities and > services inside of a single process. It works like broadcast Intents, > just, er, "localcast" instead. If all goes well, an early cut of this > will go out as open source tomorrow. I haven't focused on this > particular scenario (activity starting a service and finding out when it > is ready for use), but it's probably a logical extension of the bus. > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com | http://twitter.com/commonsguy > > Android 1.5 Programming Books: http://commonsware.com/books.html > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
