QML error in Android

[gotronics]

please I need your assistance I am filing to compile qml examples in qt5.10.1 I even tried to a new project withoutn any modification or edition still I kept on getting the following errors in the attached picture.

[jsulm]

@gotronics Can you please show the actual error in "Compile Output", it is above what you can see in your screen-shot.

[gotronics]

thank for the reply here is the information

21:45:44: Running steps for project qml_android...
21:45:44: Configuration unchanged, skipping qmake step.
21:45:44: Starting: "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe"
C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ -c -D__ANDROID_API__=16 --sysroot=C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/platforms/android-16/arch-arm/ -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/include -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include -fstack-protector-strong -DANDROID -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -fno-builtin-memmove -g -g -marm -O0 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I..\qml_android -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQuick -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtGui -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQml -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtNetwork -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtCore -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\mkspecs\android-g++ -o main.obj ..\qml_android\main.cpp
C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\rcc.exe -name qml ..\qml_android\qml.qrc -o qrc_qml.cpp
C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ -c -D__ANDROID_API__=16 --sysroot=C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/platforms/android-16/arch-arm/ -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/include -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include -fstack-protector-strong -DANDROID -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -fno-builtin-memmove -g -g -marm -O0 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I..\qml_android -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQuick -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtGui -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQml -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtNetwork -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtCore -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\mkspecs\android-g++ -o qrc_qml.obj qrc_qml.cpp
C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ --sysroot=C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/platforms/android-16/arch-arm/ -Wl,-soname,libqml_android.so -Wl,-rpath=C:/Qt/Qt5.10.1/5.10.1/android_armv7/lib -Wl,--no-undefined -Wl,-z,noexecstack -shared -o libqml_android.so main.obj qrc_qml.obj -LC:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a -Lc:/users/gotora/appdata/local/android/ndk/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9 -LC:/Qt/Qt5.10.1/5.10.1/android_armv7/lib -lQt5Quick -Lc:\utils\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a -Lc:/utils/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows/bin/../lib/gcc/arm-linux-androideabi/4.9 -LC:\Qt\Qt5.10.1\5.10.1\android_armv7/lib -lQt5Gui -lQt5Qml -lQt5Network -lQt5Core -lGLESv2 -lgnustl_shared -lgcc -llog -lz -lm -ldl -lc
21:46:13: The process "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe" exited normally.
21:46:13: Starting: "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe" "INSTALL_ROOT=C:\Users\Gotora\Desktop\android\android\build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug\android-build" install
C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\qmake.exe -install qinstall -exe libqml_android.so C:\Users\Gotora\Desktop\android\android\build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug\android-build\libs\armeabi-v7a\libqml_android.so
21:46:15: The process "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe" exited normally.
21:46:15: Starting: "C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\androiddeployqt.exe" --input C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-libqml_android.so-deployment-settings.json --output C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-build --deployment bundled --android-platform android-27 --jdk "C:/Program Files/Java/jdk1.8.0_162" --gradle
Generating Android Package
Input file: C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-libqml_android.so-deployment-settings.json
Output directory: C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-build/
Application binary: C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/libqml_android.so
Android build platform: android-27
Install to device: No
Failed to notify ProjectEvaluationListener.afterEvaluate(), but primary configuration failure takes precedence.
java.lang.IllegalStateException: buildToolsVersion is not specified.
at com.google.common.base.Preconditions.checkState(Preconditions.java:173)
at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:645)
at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:608)
at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:605)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:156)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:120)
at com.android.build.gradle.BasePlugin.lambda$createTasks$1(BasePlugin.java:603)
at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:93)
at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:82)
at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:44)
at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:79)
at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:30)
at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
at com.sun.proxy.$Proxy15.afterEvaluate(Unknown Source)
at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:82)
at org.gradle.configuration.project.LifecycleProjectEvaluator.doConfigure(LifecycleProjectEvaluator.java:76)
at org.gradle.configuration.project.LifecycleProjectEvaluator.access$000(LifecycleProjectEvaluator.java:33)
at org.gradle.configuration.project.LifecycleProjectEvaluator$1.execute(LifecycleProjectEvaluator.java:53)
at org.gradle.configuration.project.LifecycleProjectEvaluator$1.execute(LifecycleProjectEvaluator.java:50)
at org.gradle.internal.Transformers$4.transform(Transformers.java:169)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:106)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:61)
at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:50)
at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:599)
at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:125)
at org.gradle.execution.TaskPathProjectEvaluator.configure(TaskPathProjectEvaluator.java:35)
at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:60)
at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:38)
at org.gradle.initialization.DefaultGradleLauncher$ConfigureBuildAction.execute(DefaultGradleLauncher.java:233)
at org.gradle.initialization.DefaultGradleLauncher$ConfigureBuildAction.execute(DefaultGradleLauncher.java:230)
at org.gradle.internal.Transformers$4.transform(Transformers.java:169)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:106)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:56)
at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:160)
at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:119)
at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:102)
at org.gradle.launcher.exec.GradleBuildController.run(GradleBuildController.java:71)
at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:41)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:75)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:49)
at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:49)
at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:31)
at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:51)
at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:173)
at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:244)
at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:217)
at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:33)
at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:210)
at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:174)
at org.gradle.launcher.Main.doAction(Main.java:33)
at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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.

• Where:
  Build file 'C:\Users\Gotora\Desktop\android\android\build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug\android-build\build.gradle' line: 39

• What went wrong:
  A problem occurred evaluating root project 'android-build'.

Invalid revision: 28.0.0-preview

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 6.472 secs
Building the android package failed!
-- For more information, run this command with --verbose.
21:46:32: The process "C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\androiddeployqt.exe" exited with code 14.
Error while building/deploying project qml_android (kit: Android for armeabi-v7a (GCC 4.9, Qt 5.10.1 for Android armv7))
When executing step "Build Android APK"
21:46:32: Elapsed time: 00:49.

[gotronics]

@jsulm
thank for the reply here is the information

21:45:44: Running steps for project qml_android...
21:45:44: Configuration unchanged, skipping qmake step.
21:45:44: Starting: "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe"
C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ -c -D__ANDROID_API__=16 --sysroot=C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/platforms/android-16/arch-arm/ -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/include -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include -fstack-protector-strong -DANDROID -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -fno-builtin-memmove -g -g -marm -O0 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I..\qml_android -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQuick -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtGui -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQml -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtNetwork -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtCore -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\mkspecs\android-g++ -o main.obj ..\qml_android\main.cpp
C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\rcc.exe -name qml ..\qml_android\qml.qrc -o qrc_qml.cpp
C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ -c -D__ANDROID_API__=16 --sysroot=C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/platforms/android-16/arch-arm/ -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/include -isystem C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include -fstack-protector-strong -DANDROID -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -fno-builtin-memmove -g -g -marm -O0 -std=gnu++11 -Wall -W -D_REENTRANT -fPIC -DQT_DEPRECATED_WARNINGS -DQT_QML_DEBUG -DQT_QUICK_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_CORE_LIB -I..\qml_android -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQuick -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtGui -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtQml -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtNetwork -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\include\QtCore -I. -IC:\Qt\Qt5.10.1\5.10.1\android_armv7\mkspecs\android-g++ -o qrc_qml.obj qrc_qml.cpp
C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/arm-linux-androideabi-g++ --sysroot=C:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/platforms/android-16/arch-arm/ -Wl,-soname,libqml_android.so -Wl,-rpath=C:/Qt/Qt5.10.1/5.10.1/android_armv7/lib -Wl,--no-undefined -Wl,-z,noexecstack -shared -o libqml_android.so main.obj qrc_qml.obj -LC:\Users\Gotora\AppData\Local\Android\NDK\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a -Lc:/users/gotora/appdata/local/android/ndk/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.9 -LC:/Qt/Qt5.10.1/5.10.1/android_armv7/lib -lQt5Quick -Lc:\utils\android-ndk-r10e/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a -Lc:/utils/android-ndk-r10e/toolchains/arm-linux-androideabi-4.9/prebuilt/windows/bin/../lib/gcc/arm-linux-androideabi/4.9 -LC:\Qt\Qt5.10.1\5.10.1\android_armv7/lib -lQt5Gui -lQt5Qml -lQt5Network -lQt5Core -lGLESv2 -lgnustl_shared -lgcc -llog -lz -lm -ldl -lc
21:46:13: The process "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe" exited normally.
21:46:13: Starting: "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe" "INSTALL_ROOT=C:\Users\Gotora\Desktop\android\android\build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug\android-build" install
C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\qmake.exe -install qinstall -exe libqml_android.so C:\Users\Gotora\Desktop\android\android\build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug\android-build\libs\armeabi-v7a\libqml_android.so
21:46:15: The process "C:\Qt\Qt5.10.1\Tools\mingw530_32\bin\mingw32-make.exe" exited normally.
21:46:15: Starting: "C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\androiddeployqt.exe" --input C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-libqml_android.so-deployment-settings.json --output C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-build --deployment bundled --android-platform android-27 --jdk "C:/Program Files/Java/jdk1.8.0_162" --gradle
Generating Android Package
Input file: C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-libqml_android.so-deployment-settings.json
Output directory: C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/android-build/
Application binary: C:/Users/Gotora/Desktop/android/android/build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug/libqml_android.so
Android build platform: android-27
Install to device: No
Failed to notify ProjectEvaluationListener.afterEvaluate(), but primary configuration failure takes precedence.
java.lang.IllegalStateException: buildToolsVersion is not specified.
at com.google.common.base.Preconditions.checkState(Preconditions.java:173)
at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:645)
at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:608)
at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:605)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:156)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:120)
at com.android.build.gradle.BasePlugin.lambda$createTasks$1(BasePlugin.java:603)
at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:93)
at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:82)
at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:44)
at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:79)
at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:30)
at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
at com.sun.proxy.$Proxy15.afterEvaluate(Unknown Source)
at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:82)
at org.gradle.configuration.project.LifecycleProjectEvaluator.doConfigure(LifecycleProjectEvaluator.java:76)
at org.gradle.configuration.project.LifecycleProjectEvaluator.access$000(LifecycleProjectEvaluator.java:33)
at org.gradle.configuration.project.LifecycleProjectEvaluator$1.execute(LifecycleProjectEvaluator.java:53)
at org.gradle.configuration.project.LifecycleProjectEvaluator$1.execute(LifecycleProjectEvaluator.java:50)
at org.gradle.internal.Transformers$4.transform(Transformers.java:169)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:106)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:61)
at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:50)
at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:599)
at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:125)
at org.gradle.execution.TaskPathProjectEvaluator.configure(TaskPathProjectEvaluator.java:35)
at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:60)
at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:38)
at org.gradle.initialization.DefaultGradleLauncher$ConfigureBuildAction.execute(DefaultGradleLauncher.java:233)
at org.gradle.initialization.DefaultGradleLauncher$ConfigureBuildAction.execute(DefaultGradleLauncher.java:230)
at org.gradle.internal.Transformers$4.transform(Transformers.java:169)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:106)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:56)
at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:160)
at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:119)
at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:102)
at org.gradle.launcher.exec.GradleBuildController.run(GradleBuildController.java:71)
at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:41)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:75)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:49)
at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:49)
at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:31)
at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:51)
at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:173)
at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:244)
at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:217)
at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:33)
at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:210)
at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:174)
at org.gradle.launcher.Main.doAction(Main.java:33)
at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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.

•Where:
Build file 'C:\Users\Gotora\Desktop\android\android\build-qml_android-Android_for_armeabi_v7a_GCC_4_9_Qt_5_10_1_for_Android_armv7-Debug\android-build\build.gradle' line: 39

•What went wrong:
A problem occurred evaluating root project 'android-build'.

Invalid revision: 28.0.0-preview
•Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 6.472 secs
Building the android package failed!
-- For more information, run this command with --verbose.
21:46:32: The process "C:\Qt\Qt5.10.1\5.10.1\android_armv7\bin\androiddeployqt.exe" exited with code 14.
Error while building/deploying project qml_android (kit: Android for armeabi-v7a (GCC 4.9, Qt 5.10.1 for Android armv7))
When executing step "Build Android APK"
21:46:32: Elapsed time: 00:49.

[jsulm]

@gotronics said in QML error in Android:

java.lang.IllegalStateException: buildToolsVersion is not specified

Looks like your Android Kit is not configured properly. You should check it.

[gotronics]

@jsulm thank you very much I solved by deleting Tools (Preview Channel ) Android SDK build tools 28 rc2