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QtWebEngine

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #8

    What exact errors are you getting ?

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

    elicatE 1 Reply Last reply
    0
    • SGaistS SGaist

      What exact errors are you getting ?

      elicatE Offline
      elicatE Offline
      elicat
      wrote on last edited by
      #9

      @SGaist Good Morning,
      the cod of main is this :

      #include <QCoreApplication>
      #include <QtGui/QApplicationStateChangeEvent>
      #include <QtQml/QQmlApplicationEngine>
      #include <QtWebEngine/qtwebengineglobal.h>
      #include <WebClass.h>
      #include <QtWebChannel/QQmlWebChannel>
      #include <QtWebChannel/qwebchannel.h>
      #include <QtWebEngineWidgets/QtWebEngineWidgets>
      
      int main(int argc, char *argv[])
      {
          QCoreApplication app(argc, argv);
      
      	QtWebEngine::initialize();
      
      	QQmlApplicationEngine engine;
      	engine.load(QUrl(QStringLiteral("main.qml")));
      	return app.exec();
      }
      

      Erros when build :

      /home/gianfranco/Public/QtApplication/QtWebApplicationUbuntu/main.cpp:17: error: undefined reference to `QtWebEngine::initialize()'
      

      I do not understand where the cause is.
      The statements are recognized

      Saluti, Gianfranco Elicat

      raven-worxR 1 Reply Last reply
      0
      • elicatE elicat

        @SGaist Good Morning,
        the cod of main is this :

        #include <QCoreApplication>
        #include <QtGui/QApplicationStateChangeEvent>
        #include <QtQml/QQmlApplicationEngine>
        #include <QtWebEngine/qtwebengineglobal.h>
        #include <WebClass.h>
        #include <QtWebChannel/QQmlWebChannel>
        #include <QtWebChannel/qwebchannel.h>
        #include <QtWebEngineWidgets/QtWebEngineWidgets>
        
        int main(int argc, char *argv[])
        {
            QCoreApplication app(argc, argv);
        
        	QtWebEngine::initialize();
        
        	QQmlApplicationEngine engine;
        	engine.load(QUrl(QStringLiteral("main.qml")));
        	return app.exec();
        }
        

        Erros when build :

        /home/gianfranco/Public/QtApplication/QtWebApplicationUbuntu/main.cpp:17: error: undefined reference to `QtWebEngine::initialize()'
        

        I do not understand where the cause is.
        The statements are recognized

        raven-worxR Offline
        raven-worxR Offline
        raven-worx
        Moderators
        wrote on last edited by raven-worx
        #10
        This post is deleted!
        1 Reply Last reply
        0
        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #11

          Maybe a silly question but did you add QT += webengine to you .pro file ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

          elicatE 1 Reply Last reply
          0
          • SGaistS SGaist

            Maybe a silly question but did you add QT += webengine to you .pro file ?

            elicatE Offline
            elicatE Offline
            elicat
            wrote on last edited by elicat
            #12

            @SGaist Arghh.. you tell me correct.. -I am again beginner, now, when i buil i have this problem.
            what is still missing?

            /usr/bin/ld: cannot find -lGL
            
            

            Saluti, Gianfranco Elicat

            JonBJ 1 Reply Last reply
            0
            • elicatE elicat

              @SGaist Arghh.. you tell me correct.. -I am again beginner, now, when i buil i have this problem.
              what is still missing?

              /usr/bin/ld: cannot find -lGL
              
              
              JonBJ Offline
              JonBJ Offline
              JonB
              wrote on last edited by JonB
              #13

              @elicat
              Use the Search icon at the top of this page to search this forum for lGL (note not for -lGL). You will find lots of this specific question and its solutions.

              elicatE 1 Reply Last reply
              0
              • JonBJ JonB

                @elicat
                Use the Search icon at the top of this page to search this forum for lGL (note not for -lGL). You will find lots of this specific question and its solutions.

                elicatE Offline
                elicatE Offline
                elicat
                wrote on last edited by
                #14

                @JonB ok thanks

                Saluti, Gianfranco Elicat

                elicatE 1 Reply Last reply
                0
                • elicatE elicat

                  @JonB ok thanks

                  elicatE Offline
                  elicatE Offline
                  elicat
                  wrote on last edited by
                  #15

                  @elicat all is perfect, now it build without errors, but… UFF… but when i run the program it crashed. I lunch with debug and i have this error. The same project run in x64bit with 5.9.4.

                  0_1529398559134_ubuntu_test-complie.png

                  Saluti, Gianfranco Elicat

                  1 Reply Last reply
                  0
                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by SGaist
                    #16

                    Hi,

                    Why are you using a QCoreApplication ?

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    elicatE 1 Reply Last reply
                    0
                    • SGaistS SGaist

                      Hi,

                      Why are you using a QCoreApplication ?

                      elicatE Offline
                      elicatE Offline
                      elicat
                      wrote on last edited by
                      #17

                      @SGaist Ok, I'm stupid. sorry. thank you all

                      Saluti, Gianfranco Elicat

                      1 Reply Last reply
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