执行flutter clean等操作后Gradle构建无法生成APK文件的问题求助

我在执行了flutter clean、File -> Invalidate Caches，再通过flutter pub get重新构建Flutter项目后，遇到了一个超烦人的问题！

运行项目时弹出了这个该死的提示：

Gradle build failed to produce an .apk file. It's likely that this file was generated under ~\build, but the tool couldn't find it.

有没有大佬能帮帮我啊？到底该怎么解决这个破问题？还有为啥Gradle就是生成不了APK啊？

备注：内容来源于stack exchange，提问作者Ahmed Nussair