颤振：无法运行基本的 hello world 程序，因为“任务 ':app:packageDebug' 执行失败”。'

Question

我是 flutter 和 android studio 的初学者，当我试图运行一个非常基本的 hello world 程序时，我得到了这个：

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:packageDebug'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
   > java.io.FileNotFoundException: D:\flutter\newapp\build\app\intermediates\signing_config\debug\out\signing-config.json (Access is denied)

* 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 16s
[!] Gradle threw an error while downloading artifacts from the network. Retrying to download...
Running Gradle task 'assembleDebug'...

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:packageDebug'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
   > java.io.FileNotFoundException: D:\flutter\newapp\build\app\intermediates\signing_config\debug\out\signing-config.json (Access is denied)

* 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
[!] Gradle threw an error while downloading artifacts from the network. Retrying to download...
Exception: Gradle task assembleDebug failed with exit code 1

我试过了，flutter clean但这没有用。我通过 android studio 手动清除了缓存，但也没有用。我终于重新启动了我的机器，这也不起作用。

我不走运和解决方案。任何帮助，将不胜感激。

（运行Windows 10）

Answer 1

转到路由D:\flutter\newapp\build\app\intermediates\signing_config\debug\out\并删除文件，signing-config.json然后再次运行。