Flutter项目连接Firebase遇Kotlin Gradle插件1.7.1找不到错误求助

错误信息：

Could not find org.jetbrain.kotlin:kotlin-gradle-plugin:1.7.1

核心问题分析 #

你的配置里存在两处关键问题：

1. Kotlin依赖的组名拼写错误：正确组名是org.jetbrains.kotlin（末尾多一个s），你写成了org.jetbrain.kotlin，导致Gradle无法定位到正确的依赖包。
2. 仓库加载顺序可能影响依赖检索效率，优先加载Google仓库能提升兼容依赖的获取成功率。

修复步骤 #

1. 修正android目录下build.gradle的配置

调整仓库顺序并修复Kotlin依赖组名：

buildscript {
    ext.kotlin_version = '1.7.1'
    repositories {
        google() // 优先加载Google仓库
        mavenCentral()
    }
    dependencies {
        classpath 'com.google.gms:google-services:4.4.1'
        // 修正组名，添加末尾的s
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}

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
}

2. 修正android/app目录下build.gradle的依赖

同步修正Kotlin标准库的组名：

plugins {
    id "com.android.application"
    id "kotlin-android"
    id "dev.flutter.flutter-gradle-plugin"
    id 'com.google.gms.google-services'
}

def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
    localPropertiesFile.withReader('UTF-8') { reader ->
        localProperties.load(reader)
    }
}

def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
if (flutterVersionCode == null) {
    flutterVersionCode = '1'
}

def flutterVersionName = localProperties.getProperty('flutter.versionName')
if (flutterVersionName == null) {
    flutterVersionName = '1.0'
}

android {
    namespace "com.example.clinicconnect_test"
    compileSdk flutter.compileSdkVersion
    ndkVersion flutter.ndkVersion

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = '1.8'
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    defaultConfig {
        applicationId "com.example.clinicconnect_test"
        minSdkVersion 21
        targetSdkVersion 34
        versionCode flutterVersionCode.toInteger()
        versionName flutterVersionName
    }

    buildTypes {
        release {
            signingConfig signingConfigs.debug
        }
    }
}

flutter {
    source '../..'
}

dependencies {
    implementation 'com.google.android.gms:play-services-maps:18.2.0'
    implementation(platform("com.google.firebase:firebase-bom:32.8.0"))
    implementation("com.google.firebase:firebase-analytics")
    // 修正组名
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
}

3. 清理缓存并重新构建

执行以下命令清除旧配置缓存，避免残留问题：

flutter clean
rm -rf android/.gradle
flutter pub get
flutter run

可选：更换兼容的Kotlin版本

如果1.7.1版本仍无法下载，可尝试使用与Flutter版本匹配的稳定版（如1.8.22适配Flutter 3.10+），只需修改ext.kotlin_version的值即可。

内容的提问来源于stack exchange，提问作者Naufal Nujaimin