因为java版本更新到21.0.5，打开flutter项目时vscode提示需求更新gradle版本

项目一些需要变更的位置

gradle-wrapper.properties

distributionBase=GRADLE_USER_HOME
distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
distributionPath=wrapper/dists
zipStorePath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME

报错提示： Cannot use @TaskAction annotation on method IncrementalTask.taskAction$gradle_core() because interface

Script 'D:\Program Files\flutter\packages\flutter_tools\gradle\src\main\groovy\flutter.groovy' line: 1349
* Where:
Script 'D:\Program Files\flutter\packages\flutter_tools\gradle\src\main\groovy\flutter.groovy' line: 1349

* What went wrong:

* What went wrong:
A problem occurred evaluating root project 'android'.
A problem occurred evaluating root project 'android'.
> A problem occurred configuring project ':app'.
   > Could not create task ':app:copyFlutterAssetsDebug'.
> A problem occurred configuring project ':app'.
   > Could not create task ':app:copyFlutterAssetsDebug'.
      > Could not create task ':app:mergeDebugAssets'.
      > Could not create task ':app:mergeDebugAssets'.
         > Cannot use @TaskAction annotation on method IncrementalTask.taskAction$gradle_core() because interface org.gradle.api.tasks.incremental.IncrementalTaskInputs is not a valid parameter to an action method.  

android/build.gradle两处变更

buildscript {
    ...略
    dependencies {
        classpath 'com.android.tools.build:gradle:8.7.0' // 对应gradle8.9版本
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
    ...略
}

gradle与插件版本对应关系

https://developer.android.google.cn/build/releases/gradle-plugin?hl=zh-cn

报错： Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl.

FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring project ':uni_links'.
> Could not create an instance of type com.android.build.api.variant.impl.LibraryVariantBuilderImpl.
   > Namespace not specified. Specify a namespace in the module's build file: C:\Users\alex\AppData\Local\Pub\Cache\hosted\pub.flutter-io.cn\uni_links-0.5.1\android\build.gradle. See https://d.android.com/r/tools/upgrade-assistant/set-namespace for information about setting the namespace.

     If you've specified the package attribute in the source AndroidManifest.xml, you can use the AGP Upgrade Assistant to migrate to the namespace value in the build file. Refer to https://d.android.com/r/tools/upgrade-assistant/agp-upgrade-assistant for general information about using the AGP Upgrade Assistant.

* 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.

android/app/build.gradle

增加namespace, 包括所有外部引入的包,否则会报如上错误

...略
android {
    namespace 'xxx.xxx.xxx' // 增加namespace
}
...略