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  4. How to get activity object in QT5.2?

How to get activity object in QT5.2?

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  • R Offline
    R Offline
    range007
    wrote on last edited by
    #1

    I have tried the fellowing two methods but failed:
    @QAndroidJniObject activity = QAndroidJniObject::callStaticObjectMethod("org/qtproject/qt5/android/QtNative", "activity", "()Landroid/app/Activity;");@

    @QPlatformNativeInterface *interface = QApplication::platformNativeInterface();
    jobject activity = (jobject)interface->nativeResourceForIntegration("QtActivity");@

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    • GianlucaG Offline
      GianlucaG Offline
      Gianluca
      wrote on last edited by
      #2

      I used the second solution in one of my projects and works very well.

      Why it fails in your case ?

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      • T Offline
        T Offline
        T.Iotti
        wrote on last edited by
        #3

        Ok, I was in QT 5.2 and this worked for me:

        first:

        in your .pro:
        @QT += gui-private@

        now in your cpp:
        @

        #include <QAndroidJniObject>
        #include <qpa/qplatformnativeinterface.h>

        QAndroidJniObject getMainActivity()
        {
        QPlatformNativeInterface *interface = QApplication::platformNativeInterface();
        QAndroidJniObject activity = (jobject)interface->nativeResourceForIntegration("QtActivity");

        if(!activity.isValid())
        qDebug()<<"CLASS NOT VALID!!!!!!!!";
        else
        qDebug()<<"HORRAY!";

        return activity;
        }
        @

        I also like to thanks the MontezooM post which helped me to figure out

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