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Forum Update on Monday, May 27th 2025

Android development on MacOS with Qt Creator 4.9.2?

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  • T Offline
    T Offline
    ThanksForTheHelp
    wrote on last edited by
    #10

    Instruction Sets: arm64-v8a
    Kernel Architecture: aarch64
    CPU Architecture: ARMv8-A

    Does that mean 32 bit? I sure as heck looks like 64 since it doesn't say 32

    jsulmJ J.HilkJ 2 Replies Last reply
    0
    • T ThanksForTheHelp

      Instruction Sets: arm64-v8a
      Kernel Architecture: aarch64
      CPU Architecture: ARMv8-A

      Does that mean 32 bit? I sure as heck looks like 64 since it doesn't say 32

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by jsulm
      #11

      @thanksforthehelp CPU supports 64bit, but is able to execute 32bit as far as I know. Just like Windows/Linux on 64bit machines.

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

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      • T Offline
        T Offline
        ThanksForTheHelp
        wrote on last edited by
        #12

        I know 64 bit computer are able to execute and run 32 bit programs. The issue, as far as I can understand, is that 32 bit programs tend to be a bit slower since they do not utilise the whole CPU or something. Even if the difference is, for example, 90% performance I do not want 32 bit build because I need and want as fast, secure and stable as possible.

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        • T ThanksForTheHelp

          Instruction Sets: arm64-v8a
          Kernel Architecture: aarch64
          CPU Architecture: ARMv8-A

          Does that mean 32 bit? I sure as heck looks like 64 since it doesn't say 32

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

          @thanksforthehelp
          well there you have it, select your Qt for Android ARM64-v8a kit
          and you should be good to go


          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.

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          • T Offline
            T Offline
            ThanksForTheHelp
            wrote on last edited by
            #14

            I managed to solve the initial error:

            Initializing deployment to Android device/simulator
            Error while building/deploying project untitled (kit: Android for x86_64 (Clang Qt 5.13.0 for Android x86_64))
            When executing step "Deploy to Android device"```
            
            by opening Android Studio -> SDK Manger -> Tick Show Package Details -> Install Android 9.+ (Q) with Atom_64 -> apply -> install.
            
            Now when I compile a Google Pixel 2 XL pops up when I run but no app is created. There are errors in the 'Issues' tab:
            

            :-1: error: error: cannot find -lc++
            :-1: error: linker command failed with exit code 1 (use -v to see invocation)

            J.HilkJ 1 Reply Last reply
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            • T Offline
              T Offline
              ThanksForTheHelp
              wrote on last edited by ThanksForTheHelp
              #15

              Selecting Qt for Android ARM64-v8a does not compile. There are no supported ABIs for that on my computer nor in the SDK manager...

              Edit: Entering the AVD Manager and changing the architecture of my default phone emulator mirror/profile on other images ATM to nougat 25 for arm64-v8a target build android 7.1.1, despite me having android 9.0, lets try it out

              1 Reply Last reply
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              • T ThanksForTheHelp

                I managed to solve the initial error:

                Initializing deployment to Android device/simulator
                Error while building/deploying project untitled (kit: Android for x86_64 (Clang Qt 5.13.0 for Android x86_64))
                When executing step "Deploy to Android device"```
                
                by opening Android Studio -> SDK Manger -> Tick Show Package Details -> Install Android 9.+ (Q) with Atom_64 -> apply -> install.
                
                Now when I compile a Google Pixel 2 XL pops up when I run but no app is created. There are errors in the 'Issues' tab:
                

                :-1: error: error: cannot find -lc++
                :-1: error: linker command failed with exit code 1 (use -v to see invocation)

                J.HilkJ Offline
                J.HilkJ Offline
                J.Hilk
                Moderators
                wrote on last edited by
                #16

                ah @thanksforthehelp different error :) would have been good to know from the beginning x)

                take a look here
                https://forum.qt.io/topic/103713/error-cannot-find-lc-qt-5-12-android

                error comes from the ndk 20 despite what the docs says, that isn't quite without issues. But fixable, like the thread describes.


                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.

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                • T Offline
                  T Offline
                  ThanksForTheHelp
                  wrote on last edited by
                  #17

                  It is still trying to boot the first emulation on the new architecture. I get a warning though: "Running a x86 based AVD is 10x faster". It is still trying to boot it after 5 minutes...

                  jsulmJ 1 Reply Last reply
                  0
                  • T ThanksForTheHelp

                    It is still trying to boot the first emulation on the new architecture. I get a warning though: "Running a x86 based AVD is 10x faster". It is still trying to boot it after 5 minutes...

                    jsulmJ Offline
                    jsulmJ Offline
                    jsulm
                    Lifetime Qt Champion
                    wrote on last edited by
                    #18

                    @thanksforthehelp said in Android development on MacOS with Qt Creator 4.9.2?:

                    "Running a x86 based AVD is 10x faster"

                    Yes, for testing in VM on PC it is better to use x86 based AVD as it is way slower to emulate complete different CPU (ARM on x86).

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

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                    • T Offline
                      T Offline
                      ThanksForTheHelp
                      wrote on last edited by
                      #19

                      @jsulm so I should deploy for x86 but then when I have my prototype complete I build it with arm? Should the final product, besides the binary files, work the same and be the same?

                      jsulmJ 1 Reply Last reply
                      0
                      • T ThanksForTheHelp

                        @jsulm so I should deploy for x86 but then when I have my prototype complete I build it with arm? Should the final product, besides the binary files, work the same and be the same?

                        jsulmJ Offline
                        jsulmJ Offline
                        jsulm
                        Lifetime Qt Champion
                        wrote on last edited by
                        #20

                        @thanksforthehelp Yes, exactly. But you should still test on a ARM based phone/emulator sometimes :-)

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

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                        • T Offline
                          T Offline
                          ThanksForTheHelp
                          wrote on last edited by
                          #21

                          After switching to x86 and applying the fix to remove the new compiler errors mentioned above I get a fully running emulation of android. When does my program actually boot? Have selected android x86 project, stacked, but nothing happens after the phone boots up...

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                          • T Offline
                            T Offline
                            ThanksForTheHelp
                            wrote on last edited by
                            #22

                            Never mind! The program starts after about 1 minute 30 seconds, I just have to wait without pressing the emulated screen/phone

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                            • S Offline
                              S Offline
                              Surajkumar Tanurkar
                              wrote on last edited by
                              #23

                              Screenshot 2020-04-11 at 5.13.33 PM.png

                              i am getting this error
                              i am using,

                              Qt Creator 4.11.2
                              Based on Qt 5.14.2 (Clang 10.0 (Apple), 64 bit)

                              Built on Mar 27 2020 02:24:45

                              From revision 699407b4ba

                              Copyright 2008-2020 The Qt Company Ltd. All rights reserved.

                              The program is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

                              Android Studio 3.6.2
                              please help
                              i am not able to create build for android in qt
                              thanks!!!!!

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