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Qt6 running an example from the documentation

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  • I Ivelin

    Hello, I am trying to run an example from the documentation

    Unfortunately it doesn't come up with any instructions on how to run it with CMake.

    I see that there is a CMakeLists.txt file and the only thing I have added is a line, so I can point to where my Qt6 installation is.

    That's the changed CMakeLists.txt file:

    cmake_minimum_required(VERSION 3.16)
    project(androidnotifier LANGUAGES CXX)
    
    set(CMAKE_INCLUDE_CURRENT_DIR ON)
    
    set(CMAKE_AUTOMOC ON)
    set(CMAKE_AUTORCC ON)
    set(CMAKE_AUTOUIC ON)
    
    if(NOT DEFINED INSTALL_EXAMPLESDIR)
      set(INSTALL_EXAMPLESDIR "examples")
    endif()
    
    
    set(CMAKE_PREFIX_PATH "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake") # THAT'S WHAT I HAVE ADDED
    find_package(Qt6 COMPONENTS Widgets REQUIRED)
    
    set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/corelib/platform/androidnotifier")
    
    set(PROJECT_SOURCES
            main.cpp
            notificationclient.cpp
            notificationclient.h
    )
    
    if(ANDROID)
        qt_add_executable(androidnotifier
            MANUAL_FINALIZATION
            ${PROJECT_SOURCES})
        target_link_libraries(androidnotifier PRIVATE Qt6::Widgets)
    
        set_property(TARGET androidnotifier APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
                     ${CMAKE_CURRENT_SOURCE_DIR}/android)
    
        qt_finalize_executable(androidnotifier)
    
        set(qml_resource_files
            "images/happy.png"
            "images/sad.png"
        )
    
        qt6_add_resources(androidnotifier "main"
            PREFIX
                "/"
            FILES
                ${qml_resource_files}
        )
    
        install(TARGETS androidnotifier
            RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
            BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
            LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
        )
    endif()
    
    

    However, after running

    cmake .
    

    I get

    -- Could NOT find Qt6WidgetsTools (missing: Qt6WidgetsTools_DIR)
    CMake Warning at /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6/Qt6Config.cmake:209 (find_package):
      Found package configuration file:
    
        /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6Widgets/Qt6WidgetsConfig.cmake
    
      but it set Qt6Widgets_FOUND to FALSE so package "Qt6Widgets" is considered
      to be NOT FOUND.  Reason given by package:
    
      Target "Qt6::Widgets" was not found.
    
    Call Stack (most recent call first):
      CMakeLists.txt:15 (find_package)
    
    
    CMake Error at CMakeLists.txt:15 (find_package):
      Found package configuration file:
    
        /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6/Qt6Config.cmake
    
      but it set Qt6_FOUND to FALSE so package "Qt6" is considered to be NOT
      FOUND.  Reason given by package:
    
      Failed to find Qt component "Widgets".
    
      Expected Config file at
      "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6Widgets/Qt6WidgetsConfig.cmake"
      exists
    

    I'd basically would want to build the example and run it on my mobile phone.

    I have been running through forums, including this one, but I haven't found anything to help me out.

    Could someone explain me what's wrong and try to guide me through how to fix it please ?

    JoeCFDJ Offline
    JoeCFDJ Offline
    JoeCFD
    wrote on last edited by JoeCFD
    #2

    @Ivelin Qt 6.2.4 is kind of old. Try to install Qt6.6.1. I tested your Android example with Qt 6.6.1 and got errors. Will check it out later.
    Run the example in Qt Creator like
    qtcreator(comes with 6.6.1) CMakeLists.ext

    cmake alone will not work because NDK, SDK and JDK paths are not set.

    I 2 Replies Last reply
    0
    • JoeCFDJ JoeCFD

      @Ivelin Qt 6.2.4 is kind of old. Try to install Qt6.6.1. I tested your Android example with Qt 6.6.1 and got errors. Will check it out later.
      Run the example in Qt Creator like
      qtcreator(comes with 6.6.1) CMakeLists.ext

      cmake alone will not work because NDK, SDK and JDK paths are not set.

      I Offline
      I Offline
      Ivelin
      wrote on last edited by
      #3

      @JoeCFD, I do not have problem setting it I am pretty sure so I will try to do that because I have a lot of problems setting my Android kit in Qt Creator and I can't just set it because I am getting weird TLS errors

      1 Reply Last reply
      0
      • JoeCFDJ JoeCFD

        @Ivelin Qt 6.2.4 is kind of old. Try to install Qt6.6.1. I tested your Android example with Qt 6.6.1 and got errors. Will check it out later.
        Run the example in Qt Creator like
        qtcreator(comes with 6.6.1) CMakeLists.ext

        cmake alone will not work because NDK, SDK and JDK paths are not set.

        I Offline
        I Offline
        Ivelin
        wrote on last edited by
        #4

        @JoeCFD, I think I found a way to make that work

        I have changed 2 lines in Qt6Config.cmake from

        set(Qt6_FOUND FALSE)
        

        to

        set(Qt6_FOUND TRUE)
        

        I ran

        cmake .
        

        and I got CMakeFiles forder with a notificaitonclient.cpp, CMakeCache.txt and cmake_install.cmake

        but now what ? Even though the command output is

        
        -- Configuring done
        -- Generating done
        -- Build files have been written to: /home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier
        

        I find no executable apk file ? Why is that?

        What else do I have to do ?

        JoeCFDJ 1 Reply Last reply
        0
        • I Ivelin

          @JoeCFD, I think I found a way to make that work

          I have changed 2 lines in Qt6Config.cmake from

          set(Qt6_FOUND FALSE)
          

          to

          set(Qt6_FOUND TRUE)
          

          I ran

          cmake .
          

          and I got CMakeFiles forder with a notificaitonclient.cpp, CMakeCache.txt and cmake_install.cmake

          but now what ? Even though the command output is

          
          -- Configuring done
          -- Generating done
          -- Build files have been written to: /home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier
          

          I find no executable apk file ? Why is that?

          What else do I have to do ?

          JoeCFDJ Offline
          JoeCFDJ Offline
          JoeCFD
          wrote on last edited by JoeCFD
          #5

          @Ivelin run
          locate .apk
          to find where your apk is located and copy it into your device.

          I 1 Reply Last reply
          0
          • JoeCFDJ JoeCFD

            @Ivelin run
            locate .apk
            to find where your apk is located and copy it into your device.

            I Offline
            I Offline
            Ivelin
            wrote on last edited by
            #6

            @JoeCFD, I tried.

            I can't find an apk file anywhere in the current directory.

            JoeCFDJ 1 Reply Last reply
            0
            • I Ivelin

              @JoeCFD, I tried.

              I can't find an apk file anywhere in the current directory.

              JoeCFDJ Offline
              JoeCFDJ Offline
              JoeCFD
              wrote on last edited by
              #7

              @Ivelin did you build? run
              make -j4

              I 1 Reply Last reply
              0
              • JoeCFDJ JoeCFD

                @Ivelin did you build? run
                make -j4

                I Offline
                I Offline
                Ivelin
                wrote on last edited by
                #8

                @JoeCFD 6bfe42a3-523f-4ac5-ac6c-639f60fa787f-image.png

                That's what I get after make -j4

                JoeCFDJ 2 Replies Last reply
                0
                • I Ivelin

                  @JoeCFD 6bfe42a3-523f-4ac5-ac6c-639f60fa787f-image.png

                  That's what I get after make -j4

                  JoeCFDJ Offline
                  JoeCFDJ Offline
                  JoeCFD
                  wrote on last edited by JoeCFD
                  #9

                  @Ivelin I am not sure if your app is built. I have a dir android-build which you do not have.

                  run
                  locate .apk

                  normally better to
                  mkdir build
                  cd build
                  cmake ..
                  make

                  cmake has messy stuff which you do not want it in your project dir.

                  1 Reply Last reply
                  0
                  • I Ivelin

                    @JoeCFD 6bfe42a3-523f-4ac5-ac6c-639f60fa787f-image.png

                    That's what I get after make -j4

                    JoeCFDJ Offline
                    JoeCFDJ Offline
                    JoeCFD
                    wrote on last edited by
                    #10

                    @Ivelin take a look at how to pass Android settings to cmake file.
                    https://developer.android.com/ndk/guides/cmake
                    What you did will not build.

                    I 1 Reply Last reply
                    0
                    • JoeCFDJ JoeCFD

                      @Ivelin take a look at how to pass Android settings to cmake file.
                      https://developer.android.com/ndk/guides/cmake
                      What you did will not build.

                      I Offline
                      I Offline
                      Ivelin
                      wrote on last edited by
                      #11

                      @JoeCFD, thank you for providing this information. I have clearer picture right now, but I got another problem

                      At the moment after I do

                      cmake -DCMAKE_TOOLCHAIN_FILE=/opt/android-ndk/build/cmake/android.toolchain.cmake -DANDROID_ABI=armeabi-v7a -DANDROID_PLATFORM=26 .
                      

                      I get

                      -- Detecting CXX compiler ABI info
                      -- Detecting CXX compiler ABI info - done
                      -- Check for working CXX compiler: /opt/android-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ - skipped
                      -- Detecting CXX compile features
                      -- Detecting CXX compile features - done
                      CMake Error at CMakeLists.txt:16 (find_package):
                        By not providing "FindQt6.cmake" in CMAKE_MODULE_PATH this project has
                        asked CMake to find a package configuration file provided by "Qt6", but
                        CMake did not find one.
                      
                        Could not find a package configuration file provided by "Qt6" with any of
                        the following names:
                      
                          Qt6Config.cmake
                          qt6-config.cmake
                      
                        Add the installation prefix of "Qt6" to CMAKE_PREFIX_PATH or set "Qt6_DIR"
                        to a directory containing one of the above files.  If "Qt6" provides a
                        separate development package or SDK, be sure it has been installed.
                      
                      
                      -- Configuring incomplete, errors occurred!
                      See also "/home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier/CMakeFiles/CMakeOutput.log".
                      

                      which is weird because when I do

                      cmake .
                      

                      only

                      I get

                      -- The CXX compiler identification is GNU 9.4.0
                      -- Detecting CXX compiler ABI info
                      -- Detecting CXX compiler ABI info - done
                      -- Check for working CXX compiler: /usr/bin/c++ - skipped
                      -- Detecting CXX compile features
                      -- Detecting CXX compile features - done
                      -- Looking for C++ include pthread.h
                      -- Looking for C++ include pthread.h - found
                      -- Performing Test CMAKE_HAVE_LIBC_PTHREAD
                      -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
                      -- Check if compiler accepts -pthread
                      -- Check if compiler accepts -pthread - yes
                      -- Found Threads: TRUE  
                      -- Could NOT find Qt6WidgetsTools (missing: Qt6WidgetsTools_DIR)
                      CMake Warning at /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6/Qt6Config.cmake:209 (find_package):
                        Found package configuration file:
                      
                          /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6Widgets/Qt6WidgetsConfig.cmake
                      
                        but it set Qt6Widgets_FOUND to FALSE so package "Qt6Widgets" is considered
                        to be NOT FOUND.  Reason given by package:
                      
                        Target "Qt6::Widgets" was not found.
                      
                      Call Stack (most recent call first):
                        CMakeLists.txt:16 (find_package)
                      
                      
                      -- Configuring done
                      -- Generating done
                      -- Build files have been written to: /home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier
                      

                      Why is that ? Could you help me out ?

                      JoeCFDJ 1 Reply Last reply
                      0
                      • I Ivelin

                        @JoeCFD, thank you for providing this information. I have clearer picture right now, but I got another problem

                        At the moment after I do

                        cmake -DCMAKE_TOOLCHAIN_FILE=/opt/android-ndk/build/cmake/android.toolchain.cmake -DANDROID_ABI=armeabi-v7a -DANDROID_PLATFORM=26 .
                        

                        I get

                        -- Detecting CXX compiler ABI info
                        -- Detecting CXX compiler ABI info - done
                        -- Check for working CXX compiler: /opt/android-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ - skipped
                        -- Detecting CXX compile features
                        -- Detecting CXX compile features - done
                        CMake Error at CMakeLists.txt:16 (find_package):
                          By not providing "FindQt6.cmake" in CMAKE_MODULE_PATH this project has
                          asked CMake to find a package configuration file provided by "Qt6", but
                          CMake did not find one.
                        
                          Could not find a package configuration file provided by "Qt6" with any of
                          the following names:
                        
                            Qt6Config.cmake
                            qt6-config.cmake
                        
                          Add the installation prefix of "Qt6" to CMAKE_PREFIX_PATH or set "Qt6_DIR"
                          to a directory containing one of the above files.  If "Qt6" provides a
                          separate development package or SDK, be sure it has been installed.
                        
                        
                        -- Configuring incomplete, errors occurred!
                        See also "/home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier/CMakeFiles/CMakeOutput.log".
                        

                        which is weird because when I do

                        cmake .
                        

                        only

                        I get

                        -- The CXX compiler identification is GNU 9.4.0
                        -- Detecting CXX compiler ABI info
                        -- Detecting CXX compiler ABI info - done
                        -- Check for working CXX compiler: /usr/bin/c++ - skipped
                        -- Detecting CXX compile features
                        -- Detecting CXX compile features - done
                        -- Looking for C++ include pthread.h
                        -- Looking for C++ include pthread.h - found
                        -- Performing Test CMAKE_HAVE_LIBC_PTHREAD
                        -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
                        -- Check if compiler accepts -pthread
                        -- Check if compiler accepts -pthread - yes
                        -- Found Threads: TRUE  
                        -- Could NOT find Qt6WidgetsTools (missing: Qt6WidgetsTools_DIR)
                        CMake Warning at /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6/Qt6Config.cmake:209 (find_package):
                          Found package configuration file:
                        
                            /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6Widgets/Qt6WidgetsConfig.cmake
                        
                          but it set Qt6Widgets_FOUND to FALSE so package "Qt6Widgets" is considered
                          to be NOT FOUND.  Reason given by package:
                        
                          Target "Qt6::Widgets" was not found.
                        
                        Call Stack (most recent call first):
                          CMakeLists.txt:16 (find_package)
                        
                        
                        -- Configuring done
                        -- Generating done
                        -- Build files have been written to: /home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier
                        

                        Why is that ? Could you help me out ?

                        JoeCFDJ Offline
                        JoeCFDJ Offline
                        JoeCFD
                        wrote on last edited by
                        #12

                        @Ivelin Can you try?
                        CMAKE_PREFIX_PATH "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6"

                        I 3 Replies Last reply
                        0
                        • JoeCFDJ JoeCFD

                          @Ivelin Can you try?
                          CMAKE_PREFIX_PATH "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6"

                          I Offline
                          I Offline
                          Ivelin
                          wrote on last edited by
                          #13

                          @JoeCFD said in Qt6 running an example from the documentation:

                          /home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6"

                          I have set it in the CMakeLists.txt file as

                          set(CMAKE_PREFIX_PATH "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6")
                          

                          Now I get

                          -- Detecting CXX compiler ABI info
                          -- Detecting CXX compiler ABI info - done
                          -- Check for working CXX compiler: /opt/android-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ - skipped
                          -- Detecting CXX compile features
                          -- Detecting CXX compile features - done
                          CMake Warning at CMakeLists.txt:15 (find_package):
                            By not providing "FindQt6.cmake" in CMAKE_MODULE_PATH this project has
                            asked CMake to find a package configuration file provided by "Qt6", but
                            CMake did not find one.
                          
                            Could not find a package configuration file provided by "Qt6" with any of
                            the following names:
                          
                              Qt6Config.cmake
                              qt6-config.cmake
                          
                            Add the installation prefix of "Qt6" to CMAKE_PREFIX_PATH or set "Qt6_DIR"
                            to a directory containing one of the above files.  If "Qt6" provides a
                            separate development package or SDK, be sure it has been installed.
                          
                          
                          CMake Error at CMakeLists.txt:26 (qt_add_executable):
                            Unknown CMake command "qt_add_executable".
                          
                          
                          -- Configuring incomplete, errors occurred!
                          See also "/home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier/CMakeFiles/CMakeOutput.log".
                          
                          1 Reply Last reply
                          0
                          • JoeCFDJ JoeCFD

                            @Ivelin Can you try?
                            CMAKE_PREFIX_PATH "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6"

                            I Offline
                            I Offline
                            Ivelin
                            wrote on last edited by
                            #14

                            @JoeCFD, perhaps something is wrong with my toolchain file?

                            I have downloaded this Qt from Qt creator and I got my ndk, sdk and toolchain file ask from the Android Studio

                            JoeCFDJ 1 Reply Last reply
                            0
                            • I Ivelin

                              @JoeCFD, perhaps something is wrong with my toolchain file?

                              I have downloaded this Qt from Qt creator and I got my ndk, sdk and toolchain file ask from the Android Studio

                              JoeCFDJ Offline
                              JoeCFDJ Offline
                              JoeCFD
                              wrote on last edited by
                              #15

                              @Ivelin Try to upgrade your Qt to 6.6.1 and show your command here. I can test it for you. I guess lower Qt6 versions have more bugs.

                              1 Reply Last reply
                              0
                              • JoeCFDJ JoeCFD

                                @Ivelin Can you try?
                                CMAKE_PREFIX_PATH "/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6"

                                I Offline
                                I Offline
                                Ivelin
                                wrote on last edited by Ivelin
                                #16

                                @JoeCFD, I have made some progress.

                                As I said I have downloaded Qt6 from the Qt Maintenance. I looked in the Qt/6.2.4 folder and saw there there is a qt.toolchain.cmake file in Qt/6.2.4/android_x86_64/lib/cmake/Qt6/qt.toolchain.cmake, so I used that one.

                                It gave me an error that it is searching for /opt/android/android-ndk-r22b, but I hadn't had /opt/android, so I created a folder and downloaded the anroid-ndk-r22b file from the official android ndk downloads. It was also searching for an sdk, but I already had one ( Don't remember where I got it from )

                                After that I ran this command:

                                cmake -DCMAKE_TOOLCHAIN_FILE=/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6/qt.toolchain.cmake .
                                

                                I got

                                -- The CXX compiler identification is Clang 11.0.5
                                -- Detecting CXX compiler ABI info
                                -- Detecting CXX compiler ABI info - done
                                -- Check for working CXX compiler: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ - skipped
                                -- Detecting CXX compile features
                                -- Detecting CXX compile features - done
                                -- Looking for C++ include pthread.h
                                -- Looking for C++ include pthread.h - found
                                -- Performing Test CMAKE_HAVE_LIBC_PTHREAD
                                -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
                                -- Check if compiler accepts -pthread
                                -- Check if compiler accepts -pthread - yes
                                -- Found Threads: TRUE  
                                -- Performing Test HAVE_STDATOMIC
                                -- Performing Test HAVE_STDATOMIC - Success
                                -- Found WrapAtomic: TRUE  
                                -- Performing Test HAVE_EGL
                                -- Performing Test HAVE_EGL - Success
                                -- Found EGL: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include (found version "1.5") 
                                -- Performing Test HAVE_GLESv2
                                -- Performing Test HAVE_GLESv2 - Success
                                -- Found GLESv2: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include  
                                -- Found WrapVulkanHeaders: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include  
                                -- Found android platform plugin at: /home/ivelin/Qt/6.2.4/android_x86_64/./plugins/platforms/libplugins_platforms_qtforandroid_x86_64.so
                                -- Configuring done
                                -- Generating done
                                -- Build files have been written to: /home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier
                                

                                which seems like a successful build. Then I ran make and got

                                8b18b9a0-6f70-4d11-b42a-850029993378-image.png

                                Why is that ? Any ideas on how to fix it ?

                                JoeCFDJ 1 Reply Last reply
                                0
                                • I Ivelin

                                  @JoeCFD, I have made some progress.

                                  As I said I have downloaded Qt6 from the Qt Maintenance. I looked in the Qt/6.2.4 folder and saw there there is a qt.toolchain.cmake file in Qt/6.2.4/android_x86_64/lib/cmake/Qt6/qt.toolchain.cmake, so I used that one.

                                  It gave me an error that it is searching for /opt/android/android-ndk-r22b, but I hadn't had /opt/android, so I created a folder and downloaded the anroid-ndk-r22b file from the official android ndk downloads. It was also searching for an sdk, but I already had one ( Don't remember where I got it from )

                                  After that I ran this command:

                                  cmake -DCMAKE_TOOLCHAIN_FILE=/home/ivelin/Qt/6.2.4/android_x86_64/lib/cmake/Qt6/qt.toolchain.cmake .
                                  

                                  I got

                                  -- The CXX compiler identification is Clang 11.0.5
                                  -- Detecting CXX compiler ABI info
                                  -- Detecting CXX compiler ABI info - done
                                  -- Check for working CXX compiler: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/bin/clang++ - skipped
                                  -- Detecting CXX compile features
                                  -- Detecting CXX compile features - done
                                  -- Looking for C++ include pthread.h
                                  -- Looking for C++ include pthread.h - found
                                  -- Performing Test CMAKE_HAVE_LIBC_PTHREAD
                                  -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed
                                  -- Check if compiler accepts -pthread
                                  -- Check if compiler accepts -pthread - yes
                                  -- Found Threads: TRUE  
                                  -- Performing Test HAVE_STDATOMIC
                                  -- Performing Test HAVE_STDATOMIC - Success
                                  -- Found WrapAtomic: TRUE  
                                  -- Performing Test HAVE_EGL
                                  -- Performing Test HAVE_EGL - Success
                                  -- Found EGL: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include (found version "1.5") 
                                  -- Performing Test HAVE_GLESv2
                                  -- Performing Test HAVE_GLESv2 - Success
                                  -- Found GLESv2: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include  
                                  -- Found WrapVulkanHeaders: /opt/android/android-ndk-r22b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include  
                                  -- Found android platform plugin at: /home/ivelin/Qt/6.2.4/android_x86_64/./plugins/platforms/libplugins_platforms_qtforandroid_x86_64.so
                                  -- Configuring done
                                  -- Generating done
                                  -- Build files have been written to: /home/ivelin/Qt/Examples/Qt-6.2.4/corelib/platform/androidnotifier
                                  

                                  which seems like a successful build. Then I ran make and got

                                  8b18b9a0-6f70-4d11-b42a-850029993378-image.png

                                  Why is that ? Any ideas on how to fix it ?

                                  JoeCFDJ Offline
                                  JoeCFDJ Offline
                                  JoeCFD
                                  wrote on last edited by
                                  #17

                                  @Ivelin Read the error messages. Install Android studio and then use it to install SDK build tool 30.0.2.

                                  I 1 Reply Last reply
                                  0
                                  • JoeCFDJ JoeCFD

                                    @Ivelin Read the error messages. Install Android studio and then use it to install SDK build tool 30.0.2.

                                    I Offline
                                    I Offline
                                    Ivelin
                                    wrote on last edited by
                                    #18

                                    @JoeCFD, sorry that was a stupid mistake from mine.

                                    I have installed the corresponding SDK from Android Studio and moved the file from where the Android Studio was configured to download it to where qt6 cmake is searching for it - /opt/android and now it is working.

                                    Thank you for your patience and support. I wouldn't make it without your patience and guidance.

                                    Cheers.

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