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  1. #1
    Regular Contributor
    Join Date
    Mar 2012
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    144

    Belle refresh with Qt 4.8 rolling out

    but there is no update QtSDK for it
    any plans for Digia/Nokia to update QtSDK?

  2. #2
    Nokia Developer Moderator
    Join Date
    Sep 2004
    Location
    Tampere, Finland
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    11,355

    Re: Belle refresh with Qt 4.8 rolling out

    Qt 4.8 was already out for quite some time with the Nokia Belle FP1 firmware on devices such as Nokia 700 and Nokia 808 PureView. There is however no SDK update and there will not be one in the future either since the API delta between Qt 4.7.4 and Qt 4.8 foes not justify adding yet another target to the SDK.

    If you're using the APIs provided by Qt 4.7.4 in the Anna target of the SDK you can deploy that app and it will run on all Symbian^3, Symbian Anna, Symbian Belle and Symbian Belle FP1/Refresh devices while if you would use a Qt 4.8 based target the resulting app would not work on devices which have only Qt 4.7.4. So you see, having one target only, providing one baseline API set, is the best choice.

    Qt 4.8.x does have several changes (see the link in my signature) this is why you will have to test your application on a device with Qt 4.8 and ensure that your app still works as expected. At the same time, although your app is built with Qt 4.7.4 it will use the 4.8 libraries on the devices which have it so all the under the hood performance improvements (faster file system access, more reliable networking, ...) are going to be accessible to your application.
    -- Lucian

    If you are not yet a DVLUP member it is time to correct that mistake :) Click here to join: http://www.dvlup.com/lucian/Invite

  3. #3
    Nokia Developer Champion
    Join Date
    Jul 2011
    Posts
    13

    Re: Belle refresh with Qt 4.8 rolling out

    Quote Originally Posted by ltomuta View Post
    Qt 4.8 was already out for quite some time with the Nokia Belle FP1 firmware on devices such as Nokia 700 and Nokia 808 PureView. There is however no SDK update and there will not be one in the future either since the API delta between Qt 4.7.4 and Qt 4.8 foes not justify adding yet another target to the SDK.

    If you're using the APIs provided by Qt 4.7.4 in the Anna target of the SDK you can deploy that app and it will run on all Symbian^3, Symbian Anna, Symbian Belle and Symbian Belle FP1/Refresh devices while if you would use a Qt 4.8 based target the resulting app would not work on devices which have only Qt 4.7.4. So you see, having one target only, providing one baseline API set, is the best choice.

    Qt 4.8.x does have several changes (see the link in my signature) this is why you will have to test your application on a device with Qt 4.8 and ensure that your app still works as expected. At the same time, although your app is built with Qt 4.7.4 it will use the 4.8 libraries on the devices which have it so all the under the hood performance improvements (faster file system access, more reliable networking, ...) are going to be accessible to your application.
    Hi,

    And what about who doesn't have new Symbian Device ? I have C7 and the new Belle refresh break my application (the update doesn't appear in my phone yet !), the application run fine in Belle FP1, I am so confused !!

  4. #4
    Nokia Developer Moderator
    Join Date
    Sep 2004
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    Tampere, Finland
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    11,355

    Re: Belle refresh with Qt 4.8 rolling out

    This is a bit of a problem, but the emulation provided by the SDK would be less than perfect (while better than nothing, true). As of now, the best solution would be to read the wiki page referenced in my signature and then test your little changes on RDA devices.
    -- Lucian

    If you are not yet a DVLUP member it is time to correct that mistake :) Click here to join: http://www.dvlup.com/lucian/Invite

  5. #5
    Nokia Developer Champion
    Join Date
    Jul 2011
    Posts
    13

    Re: Belle refresh with Qt 4.8 rolling out

    Well RDA devices doesn't have the new Belle refresh (v111.040.1511)...

  6. #6
    Nokia Developer Moderator
    Join Date
    Sep 2004
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    Tampere, Finland
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    11,355

    Re: Belle refresh with Qt 4.8 rolling out

    I asked the RDA team to add some Belle Refresh devices.
    -- Lucian

    If you are not yet a DVLUP member it is time to correct that mistake :) Click here to join: http://www.dvlup.com/lucian/Invite

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