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  4. [solved]How do I configure Qt 5.3 for Android opencv 2.4.9 ? (on mac os x)
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[solved]How do I configure Qt 5.3 for Android opencv 2.4.9 ? (on mac os x)

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  • I Offline
    I Offline
    ismail_gz
    wrote on last edited by
    #11

    it's a simple code:

    @#include "opencv2/opencv.hpp"
    #include "opencv2/highgui/highgui.hpp"

    using namespace cv;

    int main(int argc, char *argv[])
    {
    namedWindow("output",1);
    Mat output = Mat::zeros(120,350,CV_8UC3);
    putText(output,"Hello world :)", cvPoint(15,70), FONT_HERSHEY_PLAIN,3,cvScalar(0,255,0),4);
    imshow("Output",output);
    waitKey(0);
    return 0;
    }@

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #12

      Wild guess but I'd say that either namedWindow, imshow or both are not implemented for android

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

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      • I Offline
        I Offline
        ismail_gz
        wrote on last edited by
        #13

        Could you recommend a sample code.

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #14

          Not really, since you are currently using OpenCV only code, you should rather ask on the OpenCV forum for their support on android

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

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          • J Offline
            J Offline
            johnthesoftware
            wrote on last edited by
            #15

            Did you resolve this? I'm about to try the same thing on Fedora.

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            • J Offline
              J Offline
              johnthesoftware
              wrote on last edited by
              #16

              Did you resolve this? I'm about to try the same thing on Fedora.

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              • I Offline
                I Offline
                ismail_gz
                wrote on last edited by
                #17

                No, I couldn't yet. My main problem is sample code at the moment. I couldn't find sample code about this subject. But I found configurations from this "link":http://stackoverflow.com/questions/27562311/how-to-integrate-opencv-into-qt-creator-android-project
                I hope that helps.

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                • I Offline
                  I Offline
                  ismail_gz
                  wrote on last edited by
                  #18

                  No, I couldn't yet. My main problem is sample code at the moment. I couldn't find sample code about this subject. But I found configurations from this "link":http://stackoverflow.com/questions/27562311/how-to-integrate-opencv-into-qt-creator-android-project
                  I hope that helps.

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                  • I Offline
                    I Offline
                    ismail_gz
                    wrote on last edited by
                    #19

                    Finally, I found it. Configurations are my previous reply. And you must copy libnative_camera_r4.2.0.so(must be compatible with the your android version(this is important)) to project_root/android/libs/armeabi-v7a/ .
                    Then you can watch "this":https://www.youtube.com/watch?v=0ONxIy8itRA video for source code.

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                    • I Offline
                      I Offline
                      ismail_gz
                      wrote on last edited by
                      #20

                      Finally, I found it. Configurations are my previous reply. And you must copy libnative_camera_r4.2.0.so(must be compatible with the your android version(this is important)) to project_root/android/libs/armeabi-v7a/ .
                      Then you can watch "this":https://www.youtube.com/watch?v=0ONxIy8itRA video for source code.

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                      • A Offline
                        A Offline
                        amahta
                        wrote on last edited by
                        #21

                        This is already solved but anyway here is how I do it all the time:
                        http://amin-ahmadi.com/2015/06/23/opencv-qt-android-adding-required-libraries-and-includes/

                        Thou shalt programme
                        http://www.amin-ahmadi.com

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