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Develop for android java issues

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  • P Phips04

    Hi everyone,
    I'm currently working on an mobile app for android.
    I did all the setup, as described (installed jdk and ndk / android sdk).
    Qt Creator recognizes my mobile correctly, when its connected to the development pc.
    When I wanted to deploy the app in my mobile (running android 4.4.2), the process threw up several errors,
    all of them related to java.

    "java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7
    at org.codehaus.groovy.vmplugin.VMPluginFactory.<clinit>(VMPluginFactory.java:43)...".

    Followed by more than 100 lines of errors "at...".
    By the way, openSSL is not set up (it was marked as optional).

    Hope there is someone to help me, thanks

    jsulmJ Offline
    jsulmJ Offline
    jsulm
    Lifetime Qt Champion
    wrote on last edited by
    #2

    @Phips04 said in Develop for android java issues:

    running android 4.4.2

    Android 4.4.2?! Do you really have to use such an old version?
    What Qt version do you use?
    To build for Android 4.4 you need Qt 5.12 or older.
    See https://doc.qt.io/archives/qt-5.13/android.html and https://doc.qt.io/qt-5.12/android.html

    1 Reply Last reply
    1
    • KroMignonK Offline
      KroMignonK Offline
      KroMignon
      wrote on last edited by
      #3

      @Phips04 said in Develop for android java issues:

      When I wanted to deploy the app in my mobile (running android 4.4.2), the process threw up several errors,
      all of them related to java.

      I think your Android version is too old, according to Qt wiki, Android API level 18 (Android 4.3) is required and API 21 (Android 5.0) is recommended.

      It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

      1 Reply Last reply
      1
      • P Offline
        P Offline
        Phips04
        wrote on last edited by
        #4

        My mobile is a samsung galaxy S3 Neo running android 4.4.2, and I'm using QT 5.15.1.
        However it told me, that the build process failed because of java. I just copied the details:

        java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7
        at org.codehaus.groovy.vmplugin.VMPluginFactory.<clinit>(VMPluginFactory.java:43)
        at org.codehaus.groovy.reflection.GroovyClassValueFactory.<clinit>(GroovyClassValueFactory.java:35)
        at org.codehaus.groovy.reflection.ClassInfo.<clinit>(ClassInfo.java:109)
        at org.codehaus.groovy.reflection.ReflectionCache.getCachedClass(ReflectionCache.java:95)
        at org.codehaus.groovy.reflection.ReflectionCache.<clinit>(ReflectionCache.java:39)
        at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.registerMethods(MetaClassRegistryImpl.java:209)
        at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:107)
        at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:85)
        at groovy.lang.GroovySystem.<clinit>(GroovySystem.java:36)
        at org.codehaus.groovy.runtime.InvokerHelper.<clinit>(InvokerHelper.java:86)
        at groovy.lang.GroovyObjectSupport.getDefaultMetaClass(GroovyObjectSupport.java:59)
        at groovy.lang.GroovyObjectSupport.<init>(GroovyObjectSupport.java:32)
        at org.gradle.internal.extensibility.DefaultExtraPropertiesExtension.<init>(DefaultExtraPropertiesExtension.java:29)
        at org.gradle.internal.extensibility.DefaultConvention.<init>(DefaultConvention.java:48)
        at org.gradle.api.internal.plugins.DefaultConvention.<init>(DefaultConvention.java:28)
        at org.gradle.internal.extensibility.ExtensibleDynamicObject.<init>(ExtensibleDynamicObject.java:60)
        at org.gradle.internal.instantiation.MixInExtensibleDynamicObject.<init>(MixInExtensibleDynamicObject.java:34)
        at org.gradle.initialization.DefaultSettings_Decorated.getAsDynamicObject(Unknown Source)
        at org.gradle.initialization.SettingsFactory.createSettings(SettingsFactory.java:58)
        at org.gradle.initialization.ScriptEvaluatingSettingsProcessor.process(ScriptEvaluatingSettingsProcessor.java:61)
        at org.gradle.initialization.PropertiesLoadingSettingsProcessor.process(PropertiesLoadingSettingsProcessor.java:38)
        at org.gradle.initialization.SettingsEvaluatedCallbackFiringSettingsProcessor.process(SettingsEvaluatedCallbackFiringSettingsProcessor.java:34)
        at org.gradle.initialization.RootBuildCacheControllerSettingsProcessor.process(RootBuildCacheControllerSettingsProcessor.java:36)
        at org.gradle.initialization.BuildOperationSettingsProcessor$2.call(BuildOperationSettingsProcessor.java:50)
        at org.gradle.initialization.BuildOperationSettingsProcessor$2.call(BuildOperationSettingsProcessor.java:47)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
        at org.gradle.initialization.BuildOperationSettingsProcessor.process(BuildOperationSettingsProcessor.java:47)
        at org.gradle.initialization.DefaultSettingsLoader.findSettingsAndLoadIfAppropriate(DefaultSettingsLoader.java:104)
        at org.gradle.initialization.DefaultSettingsLoader.findAndLoadSettings(DefaultSettingsLoader.java:45)
        at org.gradle.initialization.SettingsAttachingSettingsLoader.findAndLoadSettings(SettingsAttachingSettingsLoader.java:35)
        at org.gradle.internal.composite.CommandLineIncludedBuildSettingsLoader.findAndLoadSettings(CommandLineIncludedBuildSettingsLoader.java:34)
        at org.gradle.internal.composite.ChildBuildRegisteringSettingsLoader.findAndLoadSettings(ChildBuildRegisteringSettingsLoader.java:47)
        at org.gradle.internal.composite.CompositeBuildSettingsLoader.findAndLoadSettings(CompositeBuildSettingsLoader.java:35)
        at org.gradle.initialization.DefaultSettingsPreparer.prepareSettings(DefaultSettingsPreparer.java:36)
        at org.gradle.initialization.BuildOperatingFiringSettingsPreparer$LoadBuild.doLoadBuild(BuildOperatingFiringSettingsPreparer.java:59)
        at org.gradle.initialization.BuildOperatingFiringSettingsPreparer$LoadBuild.run(BuildOperatingFiringSettingsPreparer.java:54)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:402)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:394)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:92)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
        at org.gradle.initialization.BuildOperatingFiringSettingsPreparer.prepareSettings(BuildOperatingFiringSettingsPreparer.java:42)
        at org.gradle.initialization.DefaultGradleLauncher.prepareSettings(DefaultGradleLauncher.java:190)
        at org.gradle.initialization.DefaultGradleLauncher.doClassicBuildStages(DefaultGradleLauncher.java:134)
        at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:126)
        at org.gradle.initialization.DefaultGradleLauncher.executeTasks(DefaultGradleLauncher.java:106)
        at org.gradle.internal.invocation.GradleBuildController$1.execute(GradleBuildController.java:60)
        at org.gradle.internal.invocation.GradleBuildController$1.execute(GradleBuildController.java:57)
        at org.gradle.internal.invocation.GradleBuildController$3.create(GradleBuildController.java:85)
        at org.gradle.internal.invocation.GradleBuildController$3.create(GradleBuildController.java:78)
        at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:189)
        at org.gradle.internal.work.StopShieldingWorkerLeaseService.withLocks(StopShieldingWorkerLeaseService.java:40)
        at org.gradle.internal.invocation.GradleBuildController.doBuild(GradleBuildController.java:78)
        at org.gradle.internal.invocation.GradleBuildController.run(GradleBuildController.java:57)
        at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:31)
        at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
        at org.gradle.launcher.exec.BuildOutcomeReportingBuildActionRunner.run(BuildOutcomeReportingBuildActionRunner.java:63)
        at org.gradle.tooling.internal.provider.ValidatingBuildActionRunner.run(ValidatingBuildActionRunner.java:32)
        at org.gradle.launcher.exec.BuildCompletionNotifyingBuildActionRunner.run(BuildCompletionNotifyingBuildActionRunner.java:39)
        at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.call(RunAsBuildOperationBuildActionRunner.java:51)
        at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.call(RunAsBuildOperationBuildActionRunner.java:45)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
        at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:45)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter$1.transform(InProcessBuildActionExecuter.java:50)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter$1.transform(InProcessBuildActionExecuter.java:47)
        at org.gradle.composite.internal.DefaultRootBuildState.run(DefaultRootBuildState.java:78)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:47)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:31)
        at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:42)
        at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:28)
        at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:78)
        at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:52)
        at org.gradle.tooling.internal.provider.SubscribableBuildActionExecuter.execute(SubscribableBuildActionExecuter.java:59)
        at org.gradle.tooling.internal.provider.SubscribableBuildActionExecuter.execute(SubscribableBuildActionExecuter.java:36)
        at org.gradle.tooling.internal.provider.SessionScopeBuildActionExecuter.execute(SessionScopeBuildActionExecuter.java:68)
        at org.gradle.tooling.internal.provider.SessionScopeBuildActionExecuter.execute(SessionScopeBuildActionExecuter.java:38)
        at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:37)
        at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:26)
        at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:43)
        at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:29)
        at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:60)
        at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:32)
        at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:55)
        at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:41)
        at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:48)
        at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:32)
        at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:56)
        at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:212)
        at org.gradle.launcher.cli.DefaultCommandLineActionFactory$ParseAndBuildAction.execute(DefaultCommandLineActionFactory.java:404)
        at org.gradle.launcher.cli.DefaultCommandLineActionFactory$ParseAndBuildAction.execute(DefaultCommandLineActionFactory.java:376)
        at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:38)
        at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:23)
        at org.gradle.launcher.cli.DefaultCommandLineActionFactory$WithLogging.execute(DefaultCommandLineActionFactory.java:369)
        at org.gradle.launcher.Main.doAction(Main.java:35)
        at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:60)
        at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:37)
        at org.gradle.launcher.GradleMain.main(GradleMain.java:31)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:31)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:108)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
        FAILURE: Build failed with an exception.

        • What went wrong:
          Could not initialize class org.codehaus.groovy.reflection.ReflectionCache
        • Try:
          Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
        • Get more help at https://help.gradle.org
          BUILD FAILED in 2s

        I'm not sure, but maybe its not android itself being responsible for the problems.

        1 Reply Last reply
        0
        • Christian EhrlicherC Offline
          Christian EhrlicherC Offline
          Christian Ehrlicher
          Lifetime Qt Champion
          wrote on last edited by
          #5

          @Phips04 said in Develop for android java issues:

          I'm not sure, but maybe its not android itself being responsible for the problems.

          Did you read the post from @jsulm ?

          Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
          Visit the Qt Academy at https://academy.qt.io/catalog

          1 Reply Last reply
          2
          • P Offline
            P Offline
            Phips04
            wrote on last edited by Phips04
            #6
            This post is deleted!
            J.HilkJ jsulmJ 2 Replies Last reply
            0
            • P Phips04

              This post is deleted!

              J.HilkJ Offline
              J.HilkJ Offline
              J.Hilk
              Moderators
              wrote on last edited by
              #7

              @Phips04 It does not matter at all what device you attach to your PC,

              what does matter is what minimal android version you set inside your manifest. Did you change it there ?

              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
              • P Phips04

                This post is deleted!

                jsulmJ Offline
                jsulmJ Offline
                jsulm
                Lifetime Qt Champion
                wrote on last edited by
                #8
                This post is deleted!
                1 Reply Last reply
                0
                • P Offline
                  P Offline
                  Phips04
                  wrote on last edited by
                  #9

                  @J-Hilk Which file is that?

                  Do you mean the *.pro file?

                  KroMignonK 1 Reply Last reply
                  0
                  • P Phips04

                    @J-Hilk Which file is that?

                    Do you mean the *.pro file?

                    KroMignonK Offline
                    KroMignonK Offline
                    KroMignon
                    wrote on last edited by
                    #10

                    @Phips04 said in Develop for android java issues:

                    Do you mean the *.pro file?

                    No, the Android manifest ==> AndroidManifest.xml
                    Double click on it in QtCreator to start the editor:
                    11469230-f742-477d-b2a4-dac3c72d3219-image.png

                    It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

                    1 Reply Last reply
                    1
                    • P Offline
                      P Offline
                      Phips04
                      wrote on last edited by
                      #11

                      QTAndroid.jpg

                      This is how it actually looks like, the option to set the sdk is disabled.
                      I made sure, that the sdk's I want to use are installed. (Sry I'm new to qt)

                      KroMignonK 1 Reply Last reply
                      0
                      • P Phips04

                        QTAndroid.jpg

                        This is how it actually looks like, the option to set the sdk is disabled.
                        I made sure, that the sdk's I want to use are installed. (Sry I'm new to qt)

                        KroMignonK Offline
                        KroMignonK Offline
                        KroMignon
                        wrote on last edited by
                        #12

                        @Phips04 Did you check QtCreator Android configuration?

                        In Tools/Option/Devices, select tab "Android":
                        9acabd97-323f-4a6a-8f1e-36521c90789c-image.png

                        It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

                        1 Reply Last reply
                        0
                        • P Offline
                          P Offline
                          Phips04
                          wrote on last edited by
                          #13

                          Java and android settings are ok, in the android settings there is no "ndk-bundle". But the second entry exists, as I mentioned OpenSSL is not set

                          KroMignonK 1 Reply Last reply
                          0
                          • P Phips04

                            Java and android settings are ok, in the android settings there is no "ndk-bundle". But the second entry exists, as I mentioned OpenSSL is not set

                            KroMignonK Offline
                            KroMignonK Offline
                            KroMignon
                            wrote on last edited by
                            #14

                            @Phips04 said in Develop for android java issues:

                            in the android settings there is no "ndk-bundle"

                            This is your problem, ndk-bundle is mandatory for Qt!

                            Extract from the Qt documentation:
                            Use the sdkmanager command line tool to update the packages list and then install the essential packages:

                            cd <ANDROID_SDK_ROOT>/tools/bin/
./sdkmanager --update
./sdkmanager --install "platform-tools" "platforms;android-29" "build-tools;29.0.2" "ndk-bundle"

                            It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

                            1 Reply Last reply
                            0
                            • P Offline
                              P Offline
                              Phips04
                              wrote on last edited by
                              #15

                              Ok, I did it, but the cmd line reported some errors, and there was no effect in qt creator.
                              QTAndroid2.jpg

                              KroMignonK 1 Reply Last reply
                              0
                              • P Phips04

                                Ok, I did it, but the cmd line reported some errors, and there was no effect in qt creator.
                                QTAndroid2.jpg

                                KroMignonK Offline
                                KroMignonK Offline
                                KroMignon
                                wrote on last edited by
                                #16

                                @Phips04 This seems to be a well know issue with Android:

                                • https://stackoverflow.com/questions/60730615/sdkmanager-warning-could-not-create-setting-java-lang-illegalargumentexcepti
                                • https://medium.com/@s89707192/if-you-have-the-issue-652c7c1ad5d0

                                You can try:

                                cd <ANDROID_SDK_ROOT>\tools\bin\
sdkmanager --sdk_root="<ANDROID_SDK_ROOT>" --update
sdkmanager --sdk_root="<ANDROID_SDK_ROOT>" --install "platform-tools" "platforms;android-29" "build-tools;29.0.2" "ndk-bundle"

                                It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

                                1 Reply Last reply
                                0
                                • P Offline
                                  P Offline
                                  Phips04
                                  wrote on last edited by
                                  #17

                                  It worked this way, the bundle is installed now, but I still can't change the minimal android version

                                  J.HilkJ KroMignonK 2 Replies Last reply
                                  0
                                  • P Phips04

                                    It worked this way, the bundle is installed now, but I still can't change the minimal android version

                                    J.HilkJ Offline
                                    J.HilkJ Offline
                                    J.Hilk
                                    Moderators
                                    wrote on last edited by
                                    #18

                                    @Phips04 do it by hand than, open the android manifest.xml in a text editor
                                    and change the version there
                                    2fb9ec48-f65e-4d1d-97a4-2689c7454849-image.png

                                    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
                                    • P Offline
                                      P Offline
                                      Phips04
                                      wrote on last edited by
                                      #19

                                      The .xml can be evaluated and I set the entries. Min sdk is 21 (android 5) and target is 27 (android 8.1). The error still is the same

                                      1 Reply Last reply
                                      0
                                      • P Phips04

                                        It worked this way, the bundle is installed now, but I still can't change the minimal android version

                                        KroMignonK Offline
                                        KroMignonK Offline
                                        KroMignon
                                        wrote on last edited by
                                        #20

                                        @Phips04 said in Develop for android java issues:

                                        It worked this way, the bundle is installed now, but I still can't change the minimal android version

                                        What do you mean with "you can't"? Is the dropdown combobox grayed out or is the list empty?
                                        Do you have restart Qt Creator after updating SDK root?

                                        It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. (Sherlock Holmes)

                                        1 Reply Last reply
                                        0
                                        • P Offline
                                          P Offline
                                          Phips04
                                          wrote on last edited by
                                          #21

                                          Yes the combobox was grayed (I set the entries in the xml file via text editor, now I can edit the boxes) and I restarted Qt creator.

                                          KroMignonK 1 Reply Last reply
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