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  1. #1
    Regular Contributor
    Join Date
    Apr 2006
    Location
    India
    Posts
    383

    Question Create Asynchronous Service Provider

    Hi All Experts!

    We are scanning the directory via active object and wanna display status of it on screen.

    At the same time, application should respond to other UI events.

    We should be able to cancel or pause the scanning process.

    The asynchronous service provider can be a solution.

    In SDK, its given how to use asynchronous service provider with active object.

    But its not clear, how to create an asynchronous service provider.

    I created low priority active object.

    I need some clue to cancel or pause the ongoing operation in active object.

    What may be the best possible approach for this..?

    Experts plz guide.

    Thanks.
    Regards,
    Shilpa Kulkarni

  2. #2
    Regular Contributor
    Join Date
    Mar 2005
    Location
    Bangalore,India
    Posts
    306

    Re: Create Asynchronous Service Provider

    what about studying "Asynchronous Client/Server Example"?

  3. #3
    Regular Contributor
    Join Date
    Mar 2005
    Location
    Mumbai
    Posts
    212

    Re: Create Asynchronous Service Provider

    Hi Shilpa,

    I assume that your active object runs fine(scanning directories), just create an abstract class MReportSomething

    eg.
    class MReportSomething
    {
    virtual void CurrentStatusL(const TDesC& aResponse) = 0;
    };

    this class should be one the base classes of the view where you want to show the status.
    Implement CurrentStatusL in the view class.

    In your active objects RunL call CurrentStatusL on the MReportSomething observer e.g. iObserver.CurrentStatusL(aResp);

    -Avi

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