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Forum Update on Monday, May 27th 2025

QT NFC Not Working

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  • R Offline
    R Offline
    RohitIti
    wrote on 31 Mar 2016, 05:49 last edited by
    #1

    Hello,
    did some tried working with NFC in QT 5.6. I am trying to run CrockBoard example but its not working and nor the application is able to launch properly.

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    • J Offline
      J Offline
      jsulm
      Lifetime Qt Champion
      wrote on 31 Mar 2016, 06:12 last edited by
      #2

      "its not working and nor the application is able to launch properly" - a pretty vague description. What is not working? What happens if you try to start the example application? Do you get any errors?

      https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • R Offline
        R Offline
        RohitIti
        wrote on 31 Mar 2016, 06:22 last edited by
        #3
        1. In Qt 5.6 if you run the qml crockboard example it will through errors as qt nfc 5.5 is not installed.
        2. When i deploy this application to nexus 7 tablet which supports nfc then the application ui is blank.
        3. I tried to write c++ code using QNearFieldManager.
          QNearFieldManager.isAvailiable() function returns always false even though nexus 7 tablet supports NFC.
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        • J Offline
          J Offline
          jsulm
          Lifetime Qt Champion
          wrote on 31 Mar 2016, 06:32 last edited by
          #4

          Is NFC activated?

          https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • R Offline
            R Offline
            RohitIti
            wrote on 31 Mar 2016, 06:37 last edited by
            #5

            You mean is it enabled in nexus tablet ? If so then yes ,
            I have selected the option that we will get in phone
            " NFC, Allow data exchanging when tablet touches another device"

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            • M Offline
              M Offline
              mvuori
              wrote on 31 Mar 2016, 07:47 last edited by
              #6

              Does this help?
              http://stackoverflow.com/questions/33346378/howto-get-nfc-working-on-android-using-qt-5-6

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              • R Offline
                R Offline
                RohitIti
                wrote on 31 Mar 2016, 08:15 last edited by
                #7

                I checked this post earlier and also thank you for sending this link.
                For me the code ,

                nfc_ = new QNearFieldManager(this);
                if (nfc_->isAvailable()) {
                nfcLabel_->setText("NFC available");
                } else {
                nfcLabel_->setText("NFC not available");
                qWarning() << "NFC not available";
                }

                always tells me as NFC not available.

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                • R Offline
                  R Offline
                  RohitIti
                  wrote on 7 Apr 2016, 14:26 last edited by
                  #8

                  Any Help Please?

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                  • R Offline
                    R Offline
                    RohitIti
                    wrote on 7 Apr 2016, 15:50 last edited by
                    #9

                    Any help is appreciated. I am stuck at the initial level and not able to continue further.

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