* What went wrong:
Execution failed for task ':compileDebugJava'.
> Cannot find System Java Compiler. Ensure that you have installed a JDK (not just a JRE) and configured your JAVA_HOME system variable to point to the according directory.
* 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: 11.952 secs
Warning: QML import could not be resolved in any of the import paths: QtQuick.Extras.Private.CppUtils
Warning: QML import could not be resolved in any of the import paths: QtQuick.Extras.Private.CppUtils
Building the android package failed!
-- For more information, run this command with --verbose.
14:54:29: 进程"C:\Qt\Qt5.7.0\5.7\android_armv7\bin\androiddeployqt.exe"退出，退出代码 14 。
Error while building/deploying project mapviewer (kit: Android for armeabi-v7a (GCC 4.9, Qt 5.7.0))
When executing step "Build Android APK"
14:54:29: Elapsed time: 00:45. 不是代码问题，无论什么都会出现
