android - 任务 ':fluttertoast:compileDebugKotlin' 执行失败

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我试过flutter clean

flutter pub cache repair ,

fluttertoast 包的更改和版本，并删除它，

删除 android/.gradle 目录并重建。

没有任何效果。

Launching lib\main.dart on Redmi Note 4 in debug mode...
lib\main.dart:1
Parameter format not correct -
e: C:\src\flutter\.pub-cache\hosted\pub.dartlang.org\fluttertoast-7.1.8\android\src\main\kotlin\io\github\ponnamkarthik\toast\fluttertoast\MethodCallHandlerImpl.kt: (45, 84): Unresolved reference: R
e: C:\src\flutter\.pub-cache\hosted\pub.dartlang.org\fluttertoast-7.1.8\android\src\main\kotlin\io\github\ponnamkarthik\toast\fluttertoast\MethodCallHandlerImpl.kt: (70, 68): Unresolved reference: R
e: C:\src\flutter\.pub-cache\hosted\pub.dartlang.org\fluttertoast-7.1.8\android\src\main\kotlin\io\github\ponnamkarthik\toast\fluttertoast\MethodCallHandlerImpl.kt: (85, 64): Unresolved reference: R
2

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':fluttertoast:compileDebugKotlin'.
> Compilation error. See log for more details

* 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 39s
Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

Answer 1

更新compileSdkVersion至30在我的app/build.gradle解决了它并允许我保留最新的gradle。
旧答案:
我不知道为什么，但我能够通过回滚来解决问题

classpath 'com.android.tools.build:gradle:3.5.4'

在我的顶层 build.gradle .