Running two applications in the same Qt Creator instance



  • I am developing two apps that interact with each other over network.

    They belong to the same subdirs project and I used to run them from the same instance of Qt Creator without any problems. E.g. I used the following usecases:

    • Run 1st app, then run 2nd app and see how they work

    • Debug 1st app, then run 2nd app

    • Debug 2nd app, then run 1st app

    All three cases worked just fine in all versions of Creator I've ever worked with.

    But in the Qt Creator 3.6.0 I see a different behaviour: the 1st app is immediately closed when I start the 2nd app. This is really inconvenient, is it a bug in Qt Creator?

    Let me show on a simple example:

    • My simple sample project with two apps

    • When I am debugging the 1st app and press Run for 2nd app Qt Creator briefly shows this window, then 1st app is closed and 2nd is launched.

    Is there a way to fix this? It used to work! Please help)


  • Lifetime Qt Champion

    Hi,

    That's a new feature in Qt Creator 3.6. Go to the Build & Run panel in Qt Creator's preferences, then in General you have a combo box beside "Stop applications before building". You can change there the behavior of that feature.



  • @SGaist oh thank you very much! This thing was driving me mad, I never even thought that can be a new feature. Should've checked the settings myself though...
    Thanks again, your solution totally works!

    I also posted this on SO: http://stackoverflow.com/questions/35002024/running-two-applications-in-qtcreator-3-6
    Will be happy if you post your solution there! Or if you don't want to, I'll do it myself. I guess this can help other people as well :)


  • Lifetime Qt Champion

    You're welcome !

    Since you can run your two applications again, please mark the thread as solved using the "Topic Tool" button so that other forum users may know a solution has been found :)


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