问题描述
我尝试将我的 Flutter 应用程序与 firebase 连接起来,但我发现了这个错误。提前致谢:)
FAILURE:构建失败,出现异常。
- 出了什么问题: 配置根项目“android”时出现问题。
无法解析配置“:classpath”的所有工件。 无法解析 com.google.gms:google-services:4.3.8。 要求: 项目 : > 无法解析 com.google.gms:google-services:4.3.8。 > 无法获取资源“https://dl.google.com/dl/android/maven2/com/google/gms/google-services/4.3.8/google-services-4.3.8.pom”。 > 无法获取“https://dl.google.com/dl/android/maven2/com/google/gms/google-services/4.3.8/google-services-4.3.8.pom”。 > 连接到 127.0.0.1:8080 [/127.0.0.1] 失败:连接被拒绝:连接 > 无法解析 com.google.gms:google-services:4.3.8。 > 无法获取资源“https://jcenter.bintray.com/com/google/gms/google-services/4.3.8/google-services-4.3.8.pom”。 > 无法获取“https://jcenter.bintray.com/com/google/gms/google-services/4.3.8/google-services-4.3.8.pom”。 > 连接到 127.0.0.1:8080 [/127.0.0.1] 失败:连接被拒绝:连接
构建在 28 秒内失败 例外:Gradle 任务 assembleDebug 失败,退出代码为 1
我的应用\build.gradle:
def localProperties = new Properties()
def localPropertiesFile = rootProject.file('local.properties')
if (localPropertiesFile.exists()) {
localPropertiesFile.withReader('UTF-8') { reader ->
localProperties.load(reader)
}
}
def FlutterRoot = localProperties.getProperty('Flutter.sdk')
if (FlutterRoot == null) {
throw new GradleException("Flutter SDK not found. Define location with Flutter.sdk in the local.properties file.")
}
def FlutterVersionCode = localProperties.getProperty('Flutter.versionCode')
if (FlutterVersionCode == null) {
FlutterVersionCode = '1'
}
def FlutterVersionName = localProperties.getProperty('Flutter.versionName')
if (FlutterVersionName == null) {
FlutterVersionName = '1.0'
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'com.google.gms.google-services'
apply from: "$FlutterRoot/packages/Flutter_tools/gradle/Flutter.gradle"
android {
compileSdkVersion 30
sourceSets {
main.java.srcDirs += 'src/main/kotlin'
}
defaultConfig {
// Todo: Specify your own unique Application ID
(https://developer.android.com/studio/build/application-id.html).
applicationId "com.example.untitled2"
minSdkVersion 16
targetSdkVersion 30
versionCode FlutterVersionCode.toInteger()
versionName FlutterVersionName
}
buildTypes {
release {
// Todo: Add your own signing config for the release build.
// Signing with the debug keys for Now,so `Flutter run --release` works.
signingConfig signingConfigs.debug
}
}
}
Flutter {
source '../..'
}
dependencies {
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation platform('com.google.firebase:firebase-bom:28.1.0')
}
我的 android\build.gradle:
buildscript {
repositories {
google()
mavenCentral()
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:4.1.0'
classpath 'com.google.gms:google-services:4.3.8'
}
}
allprojects {
repositories {
google()
mavenCentral()
jcenter()
}
}
rootProject.buildDir = '../build'
subprojects {
project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
project.evaluationDependsOn(':app')
}
task clean(type: Delete) {
delete rootProject.buildDir
}
颤动医生 -v :
[√] Flutter (Channel stable,2.0.5,on Microsoft Windows [Version 10.0.19042.1023],locale en-IN)
• Flutter version 2.0.5 at C:\Flutter
• Framework revision adc687823a (8 weeks ago),2021-04-16 09:40:20 -0700
• Engine revision b09f014e96
• Dart version 2.12.3
[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
• Android SDK at C:\Users\Geo Swift Sam\AppData\Local\Android\sdk
• Platform android-30,build-tools 30.0.3
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6842174)
X Android license status unkNown.
Run `Flutter doctor --android-licenses` to accept the SDK licenses.
See https://Flutter.dev/docs/get-started/install/windows#android-setup for more details.
[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[√] Android Studio (version 4.1.0)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-Flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6842174)
[√] Connected device (3 available)
• Android SDK built for x86 (mobile) • emulator-5554 • android-x86 • Android 10 (API 29) (emulator)
• Chrome (web) • chrome • web-javascript • Google Chrome 91.0.4472.101
• Edge (web) • edge • web-javascript • Microsoft Edge 90.0.818.66
! Doctor found issues in 1 category.
解决方法
这可能听起来很愚蠢,但这似乎是互联网连接问题。我在移动网络上的 gradle 同步期间遇到了类似的问题,而它在 LAN 中运行良好。
,在您的 android/build.gradle
中,按照文档中的说明将 google-services 版本从 4.3.8
更改为 4.3.3
classpath 'com.google.gms:google-services:4.3.3'
试一试,告诉我。