android - 在 Android 中查找谷歌服务类路径时出错

Question

在添加 classpath 'com.google.gms:google-services:3.3.1'到 build.gradle 我收到了这个错误。有什么解决办法吗？

    Error:Could not find com.google.gms:google-services:3.3.1.
Searched in the following locations:
    file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/google/gms/google-services/3.3.1/google-services-3.3.1.pom
    file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/google/gms/google-services/3.3.1/google-services-3.3.1.jar
    https://repo1.maven.org/maven2/com/google/gms/google-services/3.3.1/google-services-3.3.1.pom
    https://repo1.maven.org/maven2/com/google/gms/google-services/3.3.1/google-services-3.3.1.jar
    https://dl.google.com/dl/android/maven2/com/google/gms/google-services/3.3.1/google-services-3.3.1.pom
    https://dl.google.com/dl/android/maven2/com/google/gms/google-services/3.3.1/google-services-3.3.1.jar
Required by:
    project :

build.gradle

buildscript {
    repositories {
        mavenCentral()
        google()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
        classpath 'com.google.gms:google-services:3.3.1' // google-services plugin
    }
}

def isReleaseBuild() {
    return version.contains("SNAPSHOT") == false
}

allprojects {
    version = VERSION_NAME
    group = GROUP

    repositories {
        mavenCentral()
        google()
    }
}
allprojects {
    repositories {
        maven { url "https://jitpack.io" }
        maven {
            url "https://maven.google.com" // Google's Maven repository
        }
    }
}

apply plugin: 'android-reporting'

Answer 1

几件事。

项目级别构建.gradle

dependencies {
    classpath 'com.android.tools.build:gradle:3.1.2'
    classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.31"
    classpath 'com.google.gms:google-services:3.2.1' 
}

我建议将您的版本降低到 3.2.1，因为 3.3.1 中存在影响围绕模块、 flavor 等进行编译的已知问题。

其次，请证明您在模块 build.gradle 中也正确应用了插件。

下面的例子:

模块级构建.gradle

dependencies {
    implementation 'com.google.firebase:firebase-crash:15.0.2'
    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
    kapt "com.android.databinding:compiler:3.1.2"

    //to compile @synchronized things and java references
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre8:1.2.31"

    implementation 'com.android.support:design:27.1.1'
    implementation 'com.android.support:support-v4:27.1.1'
    implementation 'com.android.support:cardview-v7:27.1.1'
    implementation 'com.android.support:recyclerview-v7:27.1.1'

    implementation 'com.github.barteksc:android-pdf-viewer:2.7.0'
    implementation 'com.wajahatkarim3.EasyFlipView:EasyFlipView:2.0.5'

    // [START firebase]
    implementation 'com.google.firebase:firebase-core:15.0.2'
    implementation 'com.google.firebase:firebase-messaging:15.0.2'
    implementation 'com.google.firebase:firebase-appindexing:15.0.1'
    implementation 'com.google.android.gms:play-services-base:15.0.1'
    // [END   firebase]

    implementation('com.crashlytics.sdk.android:crashlytics:2.7.1@aar') {
        transitive = true
    }  

    apply plugin: 'com.google.gms.google-services'
}

当然，您只关心 google gms 部分，因此请确保您拥有该插件和依赖项。