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How to build MQTT for android devices?

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  • Pablo J. RoginaP Pablo J. Rogina

    @OSEMO-NDJUDI have you build Qt MQTT module for Android?
    If so, have you properly referenced it in your .pro file?

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    OSEMO NDJUDI
    wrote on last edited by
    #9

    @Pablo-J-Rogina how to build the mqtt module on android

    Pablo J. RoginaP 1 Reply Last reply
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    • O OSEMO NDJUDI

      @Pablo-J-Rogina how to build the mqtt module on android

      Pablo J. RoginaP Offline
      Pablo J. RoginaP Offline
      Pablo J. Rogina
      wrote on last edited by
      #10

      @OSEMO-NDJUDI have you checked the previous posts in this topic?

      Upvote the answer(s) that helped you solve the issue
      Use "Topic Tools" button to mark your post as Solved
      Add screenshots via postimage.org
      Don't ask support requests via chat/PM. Please use the forum so others can benefit from the solution in the future

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      • Pablo J. RoginaP Pablo J. Rogina

        @OSEMO-NDJUDI have you checked the previous posts in this topic?

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        OSEMO NDJUDI
        wrote on last edited by
        #11

        @Pablo-J-Rogina Yes.
        you ask to follow the same procedure to create the module for Desktop, this time using the compiler / tools of the NDK.
        But it's the end of the sentence that I can't understand.

        jsulmJ 1 Reply Last reply
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        • O OSEMO NDJUDI

          @Pablo-J-Rogina Yes.
          you ask to follow the same procedure to create the module for Desktop, this time using the compiler / tools of the NDK.
          But it's the end of the sentence that I can't understand.

          jsulmJ Offline
          jsulmJ Offline
          jsulm
          Lifetime Qt Champion
          wrote on last edited by
          #12

          @OSEMO-NDJUDI You mean this: "If so, have you properly referenced it in your .pro file?"?
          Please show your pro file, so we can check whether you properly added mqtt to your project.

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

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            OSEMO NDJUDI
            wrote on last edited by
            #13

            erreur2.png

            jsulmJ 1 Reply Last reply
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            • O OSEMO NDJUDI

              erreur2.png

              jsulmJ Offline
              jsulmJ Offline
              jsulm
              Lifetime Qt Champion
              wrote on last edited by
              #14

              @OSEMO-NDJUDI Please post text, not screen-shots!
              You use relative paths in your pro file: did you make sure they are correct? You can check compiler output to see what exact paths are passed to linker.

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

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                OSEMO NDJUDI
                wrote on last edited by
                #15

                unix:!macx: LIBS += -L$$PWD/../../../media/devqt/92DC-051C/qmqtt-master/build_armv8/lib -lQt5Qmqtt

                INCLUDEPATH += $$PWD/../../../media/devqt/92DC-051C/qmqtt-master/src/mqtt
                DEPENDPATH += $$PWD/../../../media/devqt/92DC-051C/qmqtt-master/src/mqtt

                how to chek the compiler output?

                jsulmJ 1 Reply Last reply
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                • O OSEMO NDJUDI

                  unix:!macx: LIBS += -L$$PWD/../../../media/devqt/92DC-051C/qmqtt-master/build_armv8/lib -lQt5Qmqtt

                  INCLUDEPATH += $$PWD/../../../media/devqt/92DC-051C/qmqtt-master/src/mqtt
                  DEPENDPATH += $$PWD/../../../media/devqt/92DC-051C/qmqtt-master/src/mqtt

                  how to chek the compiler output?

                  jsulmJ Offline
                  jsulmJ Offline
                  jsulm
                  Lifetime Qt Champion
                  wrote on last edited by
                  #16

                  @OSEMO-NDJUDI said in How to build MQTT for android devices?:

                  how to chek the compiler output?

                  In QtCreator in one of the tabs at the bottom

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

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                  • jsulmJ jsulm

                    @OSEMO-NDJUDI said in How to build MQTT for android devices?:

                    how to chek the compiler output?

                    In QtCreator in one of the tabs at the bottom

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                    OSEMO NDJUDI
                    wrote on last edited by
                    #17

                    @jsulm I erased the module mqt.
                    i am looking to install the module for android_armv8.
                    that i have this as an error:
                    Project ERROR: You need to set the ANDROID_NDK_ROOT environment variable to point to your Android NDK.
                    Could not read qmake configuration file /home/devqt/opt/QT13/5.13.2/android_arm64_v8a/mkspecs/android-clang/qmake.conf.
                    Error processing project file: ../qmqtt.pro

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                      xtan
                      wrote on last edited by
                      #18

                      I use mqtt5.13.0. By compiling mqtt5.13.0 to generate the corresponding desktop application library and Android library , ​the desktop application library I generated can run, but after the Android library is compiled, the Android running file runs on the mobile phone and crashes.
                      What shall I do?

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                        xtan
                        wrote on last edited by
                        #19

                        b53b6be2-69fb-4c51-8872-44cf6074dfc1-image.png

                        fc482740-301c-41e8-a461-575c288d0d4a-image.png

                        fa216a63-92fd-49c3-8fcf-3115736539cb-image.png

                        76376e0e-8a24-4fb9-9e32-93e413b92ec6-image.png

                        The library has been generated, but the compiled Android application cannot be run

                        f7efbaae-930c-4581-889e-7fcdc6fee30c-image.png

                        1 Reply Last reply
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