Gradle Error：アプリの同期中にGoogleサービスでエラーが発生しました

Question

Googleサービスに問題があります。私は解決するために助けてください

buildscript { 
    repositories { 
     maven { url 'https://maven.fabric.io/public' } 
    } 

    dependencies { 
     classpath 'io.fabric.tools:gradle:1.+' 
     classpath 'com.google.gms:google-services:3.0.0' 
    } 
} 
apply plugin: 'com.android.application' 
apply plugin: 'com.google.gms.google-services' 
apply plugin: 'io.fabric' 

repositories { 
    maven { url 'https://maven.fabric.io/public'} 
    jcenter() 
    mavenCentral() 
} 


android { 
    compileSdkVersion 23 
    buildToolsVersion "23.0.3" 

    defaultConfig { 
     applicationId "com.example.delsnap_user_domestic.delsnapuser_dometics" 
     minSdkVersion 15 
     targetSdkVersion 23 
     versionCode 1 
     versionName "1.0" 
    } 
    buildTypes { 
     release { 
      minifyEnabled false 
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 
     } 
    } 
} 

dependencies { 
    compile fileTree(dir: 'libs', include: ['*.jar']) 
    testCompile 'junit:junit:4.12' 
    compile 'com.android.support:appcompat-v7:23.+' 
    compile 'com.android.support:design:23.+' 
} 

：私は私のアプリにAPIは、サインインに追加したいが、私は原因以下のエラーにアプリを同期できませんでした：

Error:Could not find com.google.gms:google-services:3.0.0. 
Searched in the following locations: 
    file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/google/gms/google-services/3.0.0/google-services-3.0.0.pom 
    file:/C:/Program Files/Android/Android Studio/gradle/m2repository/com/google/gms/google-services/3.0.0/google-services-3.0.0.jar 
    https://maven.fabric.io/public/com/google/gms/google-services/3.0.0/google-services-3.0.0.pom 
    https://maven.fabric.io/public/com/google/gms/google-services/3.0.0/google-services-3.0.0.jar 
Required by: 
    DelSnapUser-Dometics:app:unspecified 

そして、ここに私のGradleです。 ...と感謝は

Answer 1

変更:)感謝

buildscript { 
    repositories { 
     maven { url 'https://maven.fabric.io/public' } 
    } 

へ

buildscript { 
    repositories { 
     jcenter() // <-- Added 
     maven { url 'https://maven.fabric.io/public' } 
    }