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  1. #1
    Registered User
    Join Date
    Oct 2011
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    2

    When installed, application causes "freezing" on Symbian ^3 and Symbian Anna Phones

    Our company develops a Symbian application, and from the first app release onwards we are facing a critical compatibility issue described below. We would appreciate any ideas and tips for resolving it:

    Problem symptoms:
    - the phone freezes for a few minutes on app installation completion
    - the phone freezes for a few minutes on the first attempt to access the Applications menu. After "defreeze" the App menu is navigable and the application can be launched and used normally.
    - if the phone is restarted(by holding on the "power button"), clicking the system's Applications menu icon always freezes the phone at first access. After de-freeze, exiting the menu and returning to it the problem is not present, and our app can be launched normally.
    In other words, the phone hault happens before the application itself is even launched.

    Affected phone models:
    - all RDA-supported phone models running Symbian ^3 and Symbian Anna (also tested on in-house Nokia C7 and N8).
    - Symbian S60- based models are not affected

    Application installed to the phones via:
    - Ovi Store
    - USB connection(Nokia PC suite)

    Development tools used:
    Qt SDK 4.7.3 (application compiled into .sis installer)

    Our assumptions on the problem cause so far:
    We believe that the issue is most likely caused by some incompatibility between the developer tools(Qt SDK) we use and the current components of Symbian ^3 and Symbian Anna(in particular, Smart Installer may be to blame). But this does not give us any clue to solving the issue, because such system incompatibility can not be fixed on our own.

    Thank you in advance!
    Last edited by Endigy_s.r.o.; 2011-10-24 at 13:21.

  2. #2
    Regular Contributor
    Join Date
    May 2010
    Posts
    362

    Re: When installed, application causes "freezing" on Symbian ^3 and Symbian Anna Phon

    You could try making a bug report here: https://bugreports.qt.nokia.com
    Unfortunately you need to register to file it.

    Please post the bug id/link here so we can also track the issue.

    I have not heard of similar issues before.

  3. #3
    Regular Contributor
    Join Date
    Feb 2006
    Posts
    67

    Re: When installed, application causes "freezing" on Symbian ^3 and Symbian Anna Phon

    I think you need to troubleshoot this a bit further. You can determine whether or not it is unique to your application, or whether it happens also with example applications that you build in your current environment. Then you will know whether or not it is definitely an SDK issue, or a combination between your app and the SDK.

    If it is the latter, you can then pare down your application to a bare bones version, change the icon etc, and see exactly which change from the examples that do not exhibit this problem causes it to come in. This will enable you to either avoid the issue or file a specific bug report.

  4. #4
    Regular Contributor
    Join Date
    May 2010
    Posts
    362

    Re: When installed, application causes "freezing" on Symbian ^3 and Symbian Anna Phon

    Well that is a perfect advice. Definitely do that, and if you can isolate as something concerning Qt, then file a bug.

    I think the first step would be simply take smart installer out.

  5. #5
    Registered User
    Join Date
    Oct 2011
    Posts
    2

    Re: When installed, application causes "freezing" on Symbian ^3 and Symbian Anna Phon

    I really appreciate everyone's feedback, thank you for responses! We'll post the issue to QT tracker and keep the thread updated.

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