Question

我已从某处复制此代码，以使用Splash屏幕创建Webview应用程序。但是，我在构建应用程序文件时不断收到此R.java错误：

Configuration on demand is an incubating feature.
:app:preBuild UP-TO-DATE
:app:preDebugBuild UP-TO-DATE
:app:checkDebugManifest
:app:preReleaseBuild UP-TO-DATE
:app:prepareComAndroidSupportAppcompatV72311Library UP-TO-DATE
:app:prepareComAndroidSupportDesign2311Library UP-TO-DATE
:app:prepareComAndroidSupportRecyclerviewV72311Library UP-TO-DATE
:app:prepareComAndroidSupportSupportV42311Library UP-TO-DATE
:app:prepareDebugDependencies
:app:compileDebugAidl UP-TO-DATE
:app:compileDebugRenderscript UP-TO-DATE
:app:generateDebugBuildConfig UP-TO-DATE
:app:generateDebugAssets UP-TO-DATE
:app:mergeDebugAssets UP-TO-DATE
:app:generateDebugResValues UP-TO-DATE
:app:generateDebugResources UP-TO-DATE
:app:mergeDebugResources
:app:processDebugManifest UP-TO-DATE
:app:processDebugResources
:app:generateDebugSources
:app:compileDebugJavaWithJavac
/Users/Varun/AndroidStudioProjects/DiagnoseECG/app/build/generated/source/r/debug/package com/abcofecg/app/diagnoseecg/R.java:8: error: <identifier> expected
package package com.abcofecg.app.diagnoseecg;
       ^
/Users/Varun/AndroidStudioProjects/DiagnoseECG/app/build/generated/source/r/debug/package com/abcofecg/app/diagnoseecg/R.java:8: error: class, interface, or enum expected
package package com.abcofecg.app.diagnoseecg;
                ^
/Users/Varun/AndroidStudioProjects/DiagnoseECG/app/build/generated/source/buildConfig/debug/package com/abcofecg/app/diagnoseecg/BuildConfig.java:4: error: <identifier> expected
package package com.abcofecg.app.diagnoseecg;
       ^
/Users/Varun/AndroidStudioProjects/DiagnoseECG/app/build/generated/source/buildConfig/debug/package com/abcofecg/app/diagnoseecg/BuildConfig.java:4: error: class, interface, or enum expected
package package com.abcofecg.app.diagnoseecg;
                ^
4 errors

 FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.

* 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: 5.302 secs

请帮我解决此问题。

Answer 1

这就是我这样做的事情。

（1）清理项目/构建（2）重建项目（3）同步Gradle （4）重启Android Studio

也许其中一个可以解决您的问题

Android：R.Java中的错误<identifier>预期

1 个答案: