Gradle报错：pluginManagement中无dependencies()方法，求替代方案

报错信息 #

Could not find method dependencies() for arguments [settings_cn0h89kgygs6v1tnoowf6zgq6$_run_closure1$_closure5@45f4580] on object of type org.gradle.plugin.management.internal.DefaultPluginManagementSpec.

问题原因 #

Gradle的pluginManagement配置块仅负责管理插件仓库、插件版本等插件相关的全局配置，不支持通过dependencies()方法声明类路径依赖，你在该块中定义dependencies代码块属于误用，因此触发报错。

解决步骤 #

1. 移除pluginManagement块内的dependencies代码块
2. 将R8的classpath依赖转移到项目根目录的build.gradle文件的buildscript块中

修改后的代码示例 #

1. 调整后的settings.gradle

pluginManagement {
    def flutterSdkPath = {
        def properties = new Properties()
        file("local.properties").withInputStream { properties.load(it) }
        def flutterSdkPath = properties.getProperty("flutter.sdk")
        assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
        return flutterSdkPath
    }
    settings.ext.flutterSdkPath = flutterSdkPath()

    includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")

    repositories {
        google()
        mavenCentral()
        gradlePluginPortal()
        maven {
            url = uri("https://storage.googleapis.com/r8-releases/raw")
        }
    }
    // 已移除原有的dependencies代码块
}

plugins {
    id "dev.flutter.flutter-plugin-loader" version "1.0.2"
    id "com.android.application" version "7.3.0" apply false
    id "org.jetbrains.kotlin.android" version "1.9.10" apply false
}

include ":app"

2. 根目录build.gradle的补充配置

在项目根目录的build.gradle中添加（或修改）buildscript块，声明R8依赖：

buildscript {
    repositories {
        google()
        mavenCentral()
        maven {
            url = uri("https://storage.googleapis.com/r8-releases/raw")
        }
    }
    dependencies {
        classpath("com.android.tools:r8:8.2.24")
    }
}

// 保留项目原有的其他配置，例如：
allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

tasks.register("clean", Delete) {
    delete rootProject.buildDir
}

内容的提问来源于stack exchange，提问作者Snehil Tejani