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Qt for Android

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  • D Domel07

    Many thanks for your reply. Yes I did follow this link as well :) However, it has issues like e.g. "android" command being obsolete or "sdkmanager" plain not working.

    At the end of my struggle I found that the only missing component of the puzzle on Windows was using (old) Java 8 instead of the latest 11.

    However this only worked on Windows. Still can not come to terms on Linux. Followed all instructions to no avail. Compiled Qt no problem, Qt Designer complains with the mentioned red cross and does not automatically create kits. Have anyone here succeeded on Linux?

    Regards
    Dominik

    J.HilkJ Online
    J.HilkJ Online
    J.Hilk
    Moderators
    wrote on last edited by
    #5

    @Domel07 I only ever had problems when I has android studio also installed on my system, or when I had more than 1 valid java installation.

    Since I switched to command line tools only and stick with one jdk(working mind you) I haven't had any problems with Qt for Android


    Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


    Q: What's that?
    A: It's blue light.
    Q: What does it do?
    A: It turns blue.

    1 Reply Last reply
    1
    • D Offline
      D Offline
      Domel07
      wrote on last edited by
      #6

      Thank you guys for all the replies. Can you please post your configuration command? Here is mine:

      ./configure -xplatform android-clang --disable-rpath -nomake tests -nomake examples -android-ndk /home/dominik/Android/Sdk/ndk-bundle/ -android-sdk /home/dominik/Android/Sdk -android-ndk-host linux-x86_64 -android-toolchain-version 4.9 -skip qttranslations -skip qtserialport -no-warnings-are-errors

      Using At 5.12.1 and the latest sdk/ndk, open jdk 8.

      Thanks!

      Pablo J. RoginaP 1 Reply Last reply
      0
      • D Domel07

        Hi,

        I tried to follow these instructions on linux (Ubuntu):

        https://wiki.qt.io/Android

        and failed. Qt compiled no problem, but Qt Creator can not configure kits and there is only one red cross at the Device configuration with the option "SDK installed", everything else is green. Can not figure out how to configure the kits, it says "Qt versions are missing for the following architectures" and then like mips-linux-android, arm, x86 etc.

        Then I switched to Windows and installed latest versions of everything: Qt 5.12.1, SDK 26.1.1, NDK 19.1.5304403 and Oracle Java 11. I did try NDK version 10 as advised somewhere but it did not change anything. I have the same red cross as on linux but go one step further - the kits are automatically defined with Clang (arm64-v8a, armeabi-v7a, x86) but compilation fails like:

        Android build SDK not defined. Check Android settings.
        Error while building/deploying project analogclock (kit: Android for x86 (Clang Qt 5.12.1 for Android x86))
        When executing step "Build Android APK"

        Please advise how to set up the environment correctly. It's a hell of frustration and quite a show stopper for me.

        Thanks for any hints or reports of specific combination of working versions.

        F Offline
        F Offline
        FRAUBRJ
        wrote on last edited by
        #7

        @Domel07 Same problem under MacOS. It's very frustrating!
        I need to develop an application for Android, communicating by Bluetooth with a measuring device (serial link emulation) and I'm stuck.
        Help would be good.

        D 1 Reply Last reply
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        • D Domel07

          Thank you guys for all the replies. Can you please post your configuration command? Here is mine:

          ./configure -xplatform android-clang --disable-rpath -nomake tests -nomake examples -android-ndk /home/dominik/Android/Sdk/ndk-bundle/ -android-sdk /home/dominik/Android/Sdk -android-ndk-host linux-x86_64 -android-toolchain-version 4.9 -skip qttranslations -skip qtserialport -no-warnings-are-errors

          Using At 5.12.1 and the latest sdk/ndk, open jdk 8.

          Thanks!

          Pablo J. RoginaP Offline
          Pablo J. RoginaP Offline
          Pablo J. Rogina
          wrote on last edited by
          #8

          @Domel07 said in Qt for Android:

          ./configure -xplatform android-clang --disable-rpath -nomake tests -nomake

          Just confused or curious, I don't know. Are you building Qt yourself?

          Is there something preventing you to develop on let's say a Linux host and connect your Android device and deploy to and run your Qt application on it?

          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

          D 1 Reply Last reply
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          • Pablo J. RoginaP Pablo J. Rogina

            @Domel07 said in Qt for Android:

            ./configure -xplatform android-clang --disable-rpath -nomake tests -nomake

            Just confused or curious, I don't know. Are you building Qt yourself?

            Is there something preventing you to develop on let's say a Linux host and connect your Android device and deploy to and run your Qt application on it?

            D Offline
            D Offline
            Domel07
            wrote on last edited by Domel07
            #9

            @Pablo-J.-Rogina yes, building Qt from sources. Because I could not find a Ubuntu prebuilt version. Is there a prebuilt version of the latest Qt for Ubuntu? I could not locate one, but I might have missed it.

            However I have successfully set up the latest Qt prebuilt for Windows. Works almost out of the box, the only glitch is java version (11 won't work, need to roll back to 8).

            J.HilkJ 1 Reply Last reply
            0
            • D Domel07

              @Pablo-J.-Rogina yes, building Qt from sources. Because I could not find a Ubuntu prebuilt version. Is there a prebuilt version of the latest Qt for Ubuntu? I could not locate one, but I might have missed it.

              However I have successfully set up the latest Qt prebuilt for Windows. Works almost out of the box, the only glitch is java version (11 won't work, need to roll back to 8).

              J.HilkJ Online
              J.HilkJ Online
              J.Hilk
              Moderators
              wrote on last edited by
              #10

              @Domel07
              check the Qt Website, the unified online installer should have the latest Linux builds

              Should work.


              Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


              Q: What's that?
              A: It's blue light.
              Q: What does it do?
              A: It turns blue.

              D 2 Replies Last reply
              0
              • J.HilkJ J.Hilk

                @Domel07
                check the Qt Website, the unified online installer should have the latest Linux builds

                Should work.

                D Offline
                D Offline
                Domel07
                wrote on last edited by
                #11

                @FRAUBRJ I am currently still stuck on linux but windows works great for me (beware of the java version, 11 does not work for me).

                F 1 Reply Last reply
                0
                • J.HilkJ J.Hilk

                  @Domel07
                  check the Qt Website, the unified online installer should have the latest Linux builds

                  Should work.

                  D Offline
                  D Offline
                  Domel07
                  wrote on last edited by
                  #12

                  @J.Hilk do you mean linux version? I can not find one (and the Qt download site is extremely hard to find, the information on download page are highly deceiving (and not leading to any actual downloads))

                  J.HilkJ Pablo J. RoginaP 2 Replies Last reply
                  0
                  • D Domel07

                    @J.Hilk do you mean linux version? I can not find one (and the Qt download site is extremely hard to find, the information on download page are highly deceiving (and not leading to any actual downloads))

                    J.HilkJ Online
                    J.HilkJ Online
                    J.Hilk
                    Moderators
                    wrote on last edited by J.Hilk
                    #13

                    @Domel07 jep
                    0_1550765212811_319E738F-BD5B-4701-B8B0-18F40FABFF79.jpeg

                    http://download.qt.io/official_releases/online_installers/qt-unified-linux-x64-online.run
                    http://download.qt.io/official_releases/online_installers/qt-unified-linux-x86-online.run

                    no idea if the links work, iā€˜m on an iPad šŸ™ˆ


                    Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


                    Q: What's that?
                    A: It's blue light.
                    Q: What does it do?
                    A: It turns blue.

                    1 Reply Last reply
                    0
                    • D Domel07

                      @J.Hilk do you mean linux version? I can not find one (and the Qt download site is extremely hard to find, the information on download page are highly deceiving (and not leading to any actual downloads))

                      Pablo J. RoginaP Offline
                      Pablo J. RoginaP Offline
                      Pablo J. Rogina
                      wrote on last edited by
                      #14

                      @Domel07 what about http://download.qt.io/archive/qt/ ?

                      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

                      D 2 Replies Last reply
                      0
                      • Pablo J. RoginaP Pablo J. Rogina

                        @Domel07 what about http://download.qt.io/archive/qt/ ?

                        D Offline
                        D Offline
                        Domel07
                        wrote on last edited by
                        #15

                        @J.Hilk Will try, many thanks, I have overlooked it :) Many thanks!

                        1 Reply Last reply
                        0
                        • D Domel07

                          @FRAUBRJ I am currently still stuck on linux but windows works great for me (beware of the java version, 11 does not work for me).

                          F Offline
                          F Offline
                          FRAUBRJ
                          wrote on last edited by
                          #16

                          @Domel07 Yes you are right! I installed JDK8 (http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html)
                          and all is fine!
                          Thank.

                          1 Reply Last reply
                          0
                          • Pablo J. RoginaP Pablo J. Rogina

                            @Domel07 what about http://download.qt.io/archive/qt/ ?

                            D Offline
                            D Offline
                            Domel07
                            wrote on last edited by
                            #17

                            @Pablo-J.-Rogina Many thanks, that's it!

                            1 Reply Last reply
                            0
                            • F FRAUBRJ

                              @Domel07 Same problem under MacOS. It's very frustrating!
                              I need to develop an application for Android, communicating by Bluetooth with a measuring device (serial link emulation) and I'm stuck.
                              Help would be good.

                              D Offline
                              D Offline
                              Domel07
                              wrote on last edited by
                              #18

                              @FRAUBRJ I am currently still stuck on linux but windows works great for me (beware of the java version, 11 does not work for me).

                              1 Reply Last reply
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