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XMLHttpRequest on Android Device (ARM)

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  • carles.sole.grauC carles.sole.grau

    @Schluchti
    I'm pretty sure it is.
    Because when I do the request to this server:
    http://re.jrc.ec.europa.eu/pvgis/apps4/MRcalc.php erverything is working fine.
    And I've already have permissions to Internet.

    I'm just trying to make a POST request to a PHP file inside a server located in:
    https://www.000webhost.com/
    This PHP file has to return a RSP (and when I do it on the Laptop it works fine) but on my Android Device it not returns anything and my Status of the request is 0.
    Thanks

    S Offline
    S Offline
    Schluchti
    wrote on last edited by
    #4

    @carles.sole.grau Ok, then it's probably due to OpenSSL. ;-)
    Compiling OpenSSL isn't that hard, when you know how to do it. In order to help you, you need to provide us more informations about you problem.

    Want to read more about Qt?

    https://gympulsr.com/blog/qt/

    Latest Article: https://gympulsr.com/blog/qt/2017/06/14/ios-background-music-qt.html

    carles.sole.grauC 1 Reply Last reply
    0
    • S Schluchti

      @carles.sole.grau Ok, then it's probably due to OpenSSL. ;-)
      Compiling OpenSSL isn't that hard, when you know how to do it. In order to help you, you need to provide us more informations about you problem.

      carles.sole.grauC Offline
      carles.sole.grauC Offline
      carles.sole.grau
      wrote on last edited by
      #5

      @Schluchti
      Which informations do you need?
      I write my problem above, I don't know what's more I have to tell.
      If you said what you need to know, I will write it.
      Thanks

      1 Reply Last reply
      0
      • S Offline
        S Offline
        Schluchti
        wrote on last edited by Schluchti
        #6

        The steps at http://doc.qt.io/qt-5/opensslsupport.html are actually pretty detailed. So in order to help you we need to know at which step we need to assist you.

        Which operating system are you using to cross-compile OpenSSL? (I can recommend you linux, as it's slightly easier in my opinion)
        Have you already downloaded the Android NDK and OpenSSL?
        Do you know how to deal with Makefiles?
        Do you know how to set the environmental variables?

        Want to read more about Qt?

        https://gympulsr.com/blog/qt/

        Latest Article: https://gympulsr.com/blog/qt/2017/06/14/ios-background-music-qt.html

        carles.sole.grauC 1 Reply Last reply
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        • S Schluchti

          The steps at http://doc.qt.io/qt-5/opensslsupport.html are actually pretty detailed. So in order to help you we need to know at which step we need to assist you.

          Which operating system are you using to cross-compile OpenSSL? (I can recommend you linux, as it's slightly easier in my opinion)
          Have you already downloaded the Android NDK and OpenSSL?
          Do you know how to deal with Makefiles?
          Do you know how to set the environmental variables?

          carles.sole.grauC Offline
          carles.sole.grauC Offline
          carles.sole.grau
          wrote on last edited by
          #7

          @Schluchti
          I'm stucked at step 3
          I'm using Ubuntu Desktop, and I have Android NDK and OpenSSL
          Do you know how to deal with Makefiles? - No
          Do you know how to set the environmental variables? -No

          Thank you.

          1 Reply Last reply
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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #8

            Hi,

            In this case, dealing with the Makefile is just following the documentation: open the file with your favorite editor and modify its content. WARNING do NOT do any tab conversion when editing the file.

            As for number 2, if you are on a *nix like environment put export in front of each variable you have to export.

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

            carles.sole.grauC 1 Reply Last reply
            0
            • SGaistS SGaist

              Hi,

              In this case, dealing with the Makefile is just following the documentation: open the file with your favorite editor and modify its content. WARNING do NOT do any tab conversion when editing the file.

              As for number 2, if you are on a *nix like environment put export in front of each variable you have to export.

              carles.sole.grauC Offline
              carles.sole.grauC Offline
              carles.sole.grau
              wrote on last edited by
              #9

              @SGaist
              Sorry, but I don't understand

              As for number 2, if you are on a *nix like environment put export in front of each variable you have to export.
              

              And I don't the things I have to change in the MakeFile

              1 Reply Last reply
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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #10

                What OS are you running ?

                The lines to replace in the Makefile are written in the documentation.

                In any case there's @ekkescorner repository that provides helper scripts to build OpenSSL 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

                carles.sole.grauC 1 Reply Last reply
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                • SGaistS SGaist

                  What OS are you running ?

                  The lines to replace in the Makefile are written in the documentation.

                  In any case there's @ekkescorner repository that provides helper scripts to build OpenSSL for Android.

                  carles.sole.grauC Offline
                  carles.sole.grauC Offline
                  carles.sole.grau
                  wrote on last edited by
                  #11

                  @SGaist
                  https://forum.qt.io/topic/77525/xmlhttprequest-on-android-device-arm/7
                  As I said, Ubuntu Desktop.
                  And those lines?, where they are to be used?:

                  CC=<ANDROID_NDK_PATH>/toolchains/arm-linux-androideabi-<VER>/prebuilt/<NDK_HOST>/bin/arm-linux-androideabi-gcc
                  AR=<ANDROID_NDK_PATH>/toolchains/arm-linux-androideabi-<VER>/prebuilt/<NDK_HOST>/bin/arm-linux-androideabi-ar
                  ANDROID_DEV=<ANDROID_NDK_PATH>/platforms/<ANDROID-PLATFORM>/arch-arm/usr
                  
                  1 Reply Last reply
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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #12

                    In your console. And don't forget to replace the <XXX> variables with the correct values.

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

                    carles.sole.grauC 1 Reply Last reply
                    0
                    • SGaistS SGaist

                      In your console. And don't forget to replace the <XXX> variables with the correct values.

                      carles.sole.grauC Offline
                      carles.sole.grauC Offline
                      carles.sole.grau
                      wrote on last edited by carles.sole.grau
                      #13

                      @SGaist
                      Ok, thankyou.
                      I don't understant this <XXX> value =>ANDROID-PLATFORM, what does it means?
                      If it's Android18,19,20...
                      But then, my App could only run properly in this platform?

                      Thanks

                      1 Reply Last reply
                      0
                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #14

                        The name of the folder of the android platform you want to target.

                        You really should consider using @ekkescorner scripts, that would make your life simpler.

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

                        1 Reply Last reply
                        0
                        • GTDevG Offline
                          GTDevG Offline
                          GTDev
                          wrote on last edited by
                          #15

                          Hi @carles.sole.grau,

                          You can also have a look at V-Play Engine if you want to avoid having to build and provide the SSL library for Android. V-Play comes with already bundled SSL libs since version 2.10.0.

                          Best,
                          GT

                          Senior Developer at Felgo - https://felgo.com/qt

                          Develop mobile Apps for iOS & Android with Qt
                          Felgo is an official Qt Technology Partner

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