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  1. #1
    Registered User
    Join Date
    Sep 2004

    merging contacts


    I have to merge details from multiple contacts into one target contact(beside of name). currently my code look like this:
       foreach(detail in contact)
    // now contact detail count is like 20
    manager.saveContact(&target);  // no error
    QContact test;
    //now test.details.count() is like before merging
    It looks like everything went ok, I checked for error for each contact operation and after contact reload details count was not changed...
    My question is: how to copy details from multiple contacts to one contact?

    Last edited by sebaw; 2011-01-19 at 16:15.

  2. #2
    Nokia Developer Expert
    Join Date
    May 2010

    Re: merging contacts


    Which backend are you using? Is behaviour different between the memory backend and the backend you're using?

    In your for loop, do you create a new detail each time, or do you reuse one and simply reset the key each loop? It may be a detail definition mismatch problem, if you do the latter.
    You say that the save operation doesn't report an error, but what happens if you call compatibleContact() prior to calling save? It's possible that the details which make up the large count are all empty, and on save the backend may ignore all such empty details (they may be empty due to a problem in the copy constructor / assignment operator code for QContactDetail, is my thinking here). Check that the values of the details in the contact returned by compatibleContact() are what you expect, prior to calling save.

    The answer to your question is: your algorithm should work, I believe. A detail from one contact should be able to be saved in another. I'd probably do it like this:

    QList<QContact> mergeContacts;
    QContact targetContact;

    foreach (const QContact& mergee, mergeContacts) {
    QList<QContactDetail> allDetails = mergee.details();
    for (int i = 0; i < allDetails.size(); ++i) {
    QContactDetail det = allDetails.at(i);


    If this sort of thing doesn't work, then I think there may be a bug in the backend, or in the detail copying/assignment code, somewhere.


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