Flutter集成Firebase认证时触发:app:checkDebugAarMetadata构建失败
Flutter Firebase认证构建错误:
:app:checkDebugAarMetadata 执行失败 我在Flutter项目中集成Firebase Authentication(注册/登录)功能时,遇到了:app:checkDebugAarMetadata任务执行失败的构建错误,尝试多种调试方法都没找到根源,代码也因为反复调试变得混乱。
项目配置文件
app/build.gradle
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.logbook" compileSdkVersion 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 { // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). applicationId "com.example.logbook" // You can update the following values to match your application needs. // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration. minSdkVersion 30 targetSdkVersion 31 versionCode 1 versionName "1.0" multiDexEnabled true } buildTypes { release { // TODO: Add your own signing config for the release build. // Signing with the debug keys for now, so `flutter run --release` works. signingConfig signingConfigs.debug } } } flutter { source '../..' } dependencies { implementation platform('com.google.firebase:firebase-bom:33.2.0') }
project/build.gradle
buildscript { ext.kotlin_version = '1.8.0' repositories { google() mavenCentral() } dependencies { classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath 'com.google.gms:google-services:4.4.2' } } allprojects { repositories { google() mavenCentral() } } rootProject.buildDir = '../build' subprojects { project.buildDir = "${rootProject.buildDir}/${project.name}" } subprojects { project.evaluationDependsOn(':app') } tasks.register("clean", Delete) { delete rootProject.buildDir }
错误详情
构建失败,出现异常。
- 问题原因:任务
:app:checkDebugAarMetadata执行失败。执行com.android.build.gradle.internal.tasks.CheckAarMetadataWorkAction时出现异常,检查AAR元数据时发现2个问题:
- 依赖
androidx.credentials:credentials:1.2.0-rc01要求依赖它的库和应用需针对Android API 34或更高版本编译。当前:app编译目标为android-33。此外,Android Gradle Plugin 7.3.0推荐的最高编译SDK版本为33。建议操作:更新项目的Android Gradle Plugin至支持34的版本,然后将项目的compileSdkVersion更新至至少34。注意:更新库或应用的compileSdkVersion(允许使用更新的API)可与更新targetSdkVersion(启用新的运行时行为)和minSdkVersion(决定应用可安装的设备范围)分开进行。- 依赖
androidx.credentials:credentials-play-services-auth:1.2.0-rc01要求依赖它的库和应用需针对Android API 34或更高版本编译。当前:app编译目标为android-33。此外,Android Gradle Plugin 7.3.0推荐的最高编译SDK版本为33。建议操作:更新项目的Android Gradle Plugin至支持34的版本,然后将项目的compileSdkVersion更新至至少34。注意:更新库或应用的compileSdkVersion(允许使用更新的API)可与更新targetSdkVersion(启用新的运行时行为)和minSdkVersion(决定应用可安装的设备范围)分开进行。
- 建议尝试:使用
--stacktrace选项获取堆栈跟踪;使用--info或--debug选项获取更多日志输出;使用--scan选项获取完整分析信息。- 获取更多帮助:https://help.gradle.org
构建耗时24秒,异常:Gradle任务assembleDebug执行失败,退出码1
修复方案
方案1:升级编译环境适配API 34
更新Android Gradle Plugin(AGP)版本
修改project/build.gradle的buildscript块,添加并指定支持API 34的AGP版本(如7.4.2):buildscript { ext.kotlin_version = '1.8.0' ext.agp_version = '7.4.2' repositories { google() mavenCentral() } dependencies { classpath "com.android.tools.build:gradle:$agp_version" classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath 'com.google.gms:google-services:4.4.2' } }同时确保
gradle/wrapper/gradle-wrapper.properties中的Gradle版本与AGP匹配(7.4.2对应Gradle 7.5):distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip提升compileSdkVersion和targetSdkVersion
修改app/build.gradle的android配置块,将编译目标SDK升级到34:android { namespace "com.example.logbook" compileSdkVersion 34 ndkVersion flutter.ndkVersion // ... 其他配置保持不变 defaultConfig { // ... 其他配置 targetSdkVersion 34 // 可选,建议同步更新以适配最新系统特性 } }若希望通过Flutter SDK统一管理版本,可在
local.properties中添加:flutter.compileSdkVersion=34清理缓存并重新构建
执行命令清理项目缓存后重新构建:flutter clean flutter pub get flutter run
方案2:降低Firebase BOM版本(临时兼容)
如果暂时不想升级编译环境,可将Firebase BOM版本降级到不依赖API 34的版本(如32.8.1),修改app/build.gradle的依赖:
dependencies { implementation platform('com.google.firebase:firebase-bom:32.8.1') }
之后同样执行清理和重建命令。
内容的提问来源于stack exchange,提问作者Tahmeed Zamindar
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