Bingo!!!! Sir, I doff my hat to your greater knowledge.
Thanks, Al. Peli wrote: > Have you looked at ordered broadcasts? > http://code.google.com/android/reference/android/content/Context.html#sendOrderedBroadcast(android.content.Intent,%20java.lang.String%29 > > Maybe this is what you need? > > Peli > > On Feb 3, 9:03 pm, Al Sutton <[email protected]> wrote: > >> I'm not limited to services, so if there is a way to do this with an >> activity I'd be happy to do that. >> >> The problem with timeouts is that it's possible for the app to still be >> alive and the timeout to kick in, which is not what I want. >> >> I hope there is a way to do this :). >> >> Al. >> >> Peli wrote: >> >>> I think it is impossible to know whether a service has finished or not >>> unless the service itself lets you know that. >>> >>> If you just check whether the service is still alive - it may be >>> waiting for a server response - or it may have finished and processing >>> some other application's requests. >>> >>> So, I guess you have to request that all services let you know by a >>> callback when they are done, so that you can continue with the next >>> service. Probably you also need a timeout, in case a service never >>> finishes. >>> >>> Peli >>> >>> On Feb 3, 8:37 pm, Al Sutton <[email protected]> wrote: >>> >>>> The services come from different APKs. >>>> >>>> Best way to think about it is the main application does some processing >>>> and an additional number of APKs can contain perform contributions to >>>> that processing. For example, there may be many APKs each of which has a >>>> particular stock trading prediction forumla, and a main APK has stock >>>> price data, the main APK calls each of the strategy APKs with the stock >>>> history content provider URI and each strategy APK can process the >>>> history and do what it wants. >>>> >>>> The strategy APKs may not come from one place and may be written by many >>>> different companies (hence why they are seperate APKs) >>>> >>>> Hope that clarifies things a bit. >>>> >>>> Al. >>>> >>>> Dianne Hackborn wrote: >>>> >>>>> If they are running in the same process, you could just use globals to >>>>> keep track of who is running and decide what next to do. >>>>> >>>>> If you really just want one thing to run at a time, though, why not >>>>> just put it all in one service? A common pattern is to have a service >>>>> that you submit work to with startService(), which does each thing >>>>> given to it in order and stops itself when done. There is an ApiDemo >>>>> showing how to structure such a service (the one with three buttons to >>>>> submit work to it, I can't remember the exact name off-hand). >>>>> >>>>> On Tue, Feb 3, 2009 at 9:12 AM, Al Sutton <[email protected] >>>>> <mailto:[email protected]>> wrote: >>>>> >>>>> I have an app which will start multiple separate services which >>>>> perform >>>>> an action and then exit. I don't want them all to run at the same time >>>>> (because this may bog down the OS). >>>>> >>>>> I have the code for finding the services and starting the >>>>> services, but >>>>> does anyone know how I can make sure one service has completed before >>>>> the next starts. >>>>> >>>>> Due to what the app does it will have to start multiple services >>>>> and the >>>>> actions the services perform have no GUI and may take tens of >>>>> seconds or >>>>> minutes (hence why I'm using a service so the user isn't just shown a >>>>> blank screen every time the next service starts). >>>>> >>>>> Anyone have any ideas? >>>>> >>>>> Al. >>>>> >>>>> -- >>>>> ====== >>>>> Funky Android Limited is registered in England & Wales with the >>>>> company number 6741909. The registered head office is Kemp House, >>>>> 152-160 City Road, London, EC1V 2NX, UK. >>>>> >>>>> The views expressed in this email are those of the author and not >>>>> necessarily those of Funky Android Limited, it's associates, or it's >>>>> subsidiaries. >>>>> >>>>> -- >>>>> Dianne Hackborn >>>>> Android framework engineer >>>>> [email protected] <mailto:[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. >>>>> >>>> -- >>>> ====== >>>> Funky Android Limited is registered in England & Wales with the >>>> company number 6741909. The registered head office is Kemp House, >>>> 152-160 City Road, London, EC1V 2NX, UK. >>>> >>>> The views expressed in this email are those of the author and not >>>> necessarily those of Funky Android Limited, it's associates, or it's >>>> subsidiaries. >>>> > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
