[Moved & merged]Please define Qt versions and its SDK versions.



  • How can I know which qt-sdk version used by qt creator.



  • Open the projects editor (on the left side of the screen), then select the build options tab. It should show the active Qt configuration when you're using qmake.



  • it not showing the version number like 1.1.2 or 1.1.3



  • I am confuse about the Qt Versions. what is the difference between qt 4.7.3 and its sdk version is 1.1.3.
    Is both are same ? 4.7.3 is same if i say i am using 1.1.3 qt sdk for my project.



  • 4.7.3 is the version of the Qt application framework or the "Qt libraries". In addition to the Qt libraries you will need a compiler suite - for example MinGW 4.4.0 - and some kind of IDE - for example Qt Creator 2.3.0 - to create applications.

    All this stuff (and much more) is bundeled in a single convenient package, the Qt SDK, currently available at version 1.1.3.



  • [quote author="DanSiddiqui" date="1315254718"]it not showing the version number like 1.1.2 or 1.1.3[/quote]

    1.1.2 or 1.1.3 is the version number for Qt SDK (complete bundle). Even I don't know how to check which version you have -atleast the update or maintenance tool should have shown it.



  • [quote author="Lukas Geyer" date="1315285975"]

    All this stuff (and much more) is bundeled in a single convenient package, the Qt SDK, currently available at version 1.1.3.[/quote]

    Any idea how to check the version of the installed Qt SDK. Could not locate it using the update or maintenance tool.



  • I decided to merge two topics that were about the same issue: Qt versions vs SDK versions.



  • Thanks ukas Geyer
    Latest Qt sdk available is Qt 1.1.3 having frame version Qt 4.7.4.
    last time i was used Qt 4.7.3 having 1.1.3 sdk so why Qt 4.7.4 is now available if both have same sdk 1.1.3 version , its confusing also mobility have also different version i used 1.1.3.why nokia development team launching so much version :(.It should have one frame having unique sdk.



  • Because the Qt SDK and Qt itself are two different things with two different versions.

    If you install Windows 7 you can have Office 2003, Office 2007 or Office 2010 installed.
    The same way you can use Office 2003 in Windows XP, Windows Vista or Windows 7.

    If you install the Qt SDK 1.1.3 you can have Qt 4.7.3, Qt 4.7.4 or Qt 4.8 installed.
    The same way you can use Qt 4.7.4 in Qt SDK 1.1.2 or Qt SDK 1.1.3.

    You do not need to care about versions at all. The Qt SDK includes an auto-update mechanism which ensures that you will always have to newest version of the Qt SDK and - if you wish to - Qt installed.

    Read more about software versioning "here":http://en.wikipedia.org/wiki/Software_versioning.



  • Thanks Lukas Geyer, nice
    means Our main concern should be about latest qtsdk not Qt(4.7.3 or 4.7.4).



  • No, when creating applications your main concern should be about the Qt version used, not the Qt SDK.

    The Qt SDK is just a convenient way to download all the stuff needed for application development, but your applications are developed using the Qt libraries, the Qt Mobility libraries and so on.



  • Maybe some big picture explaining which version of Qt is available with which technologies/modules for example Qt Mobility and Qt Quick, something like:

    @
    |
    |
    Qt 4.6.3 ----------------- Qt Mobility 1.0.2
    |
    |
    Qt 4.7.1 -- Qt Quick 1.0
    @

    This would be very useful and clarified a lot for new users.



  • There is "What's New in Qt 4":http://doc.qt.nokia.com/latest/qt4-intro.html#recent-additions-to-qt-4 which lists all the additions to specific version.

    Qt maintains binary and source code compatibility between each major release. There is (usually) no reason to use another version than the latest - which guarantees access to all technologies/modules currently released.



  • In between the Qt SDK was named and released as Nokia Qt SDK and now again its called Qt SDK. Even this had created some confusions initially.



  • Lukas thanks for the link it was very helpful.

    I suggested big picture of modules and Qt versions to present in a quick and graphical way how versions of modules and technologies(Qt Quick is technology, right?) are connected with main Qt version. I didn't mean all informations about given release, only connections between versions.
    It would be nice information and it does not do a lot of harm :).

    Nice feature would be to hover on given item and see additional informations, for example: Can be submitted to Ovi Store.


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