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java - 我正在尝试在我的应用程序中添加 google 登录，但此依赖项不起作用

问题描述

app/build.gradle    
Unable to resolve dependency for ':app@debug/compileClasspath': Could not resolve com.google.android.gms:play-services-auth:15.0.1.
<a href="openFile:D:/DeVEloPER/Android/InternshipProjects/Watchman/app/build.gradle">Open File</a><br><a href="Unable to resolve dependency for &#39;:app@debug/compileClasspath&#39;: Could not resolve com.google.android.gms:play-services-auth:15.0.1.">Show Details</a>    
Unable to resolve dependency for ':app@debugAndroidTest/compileClasspath': Could not resolve com.google.android.gms:play-services-auth:15.0.1.
<a href="openFile:D:/DeVEloPER/Android/InternshipProjects/Watchman/app/build.gradle">Open File</a><br><a href="Unable to resolve dependency for &#39;:app@debugAndroidTest/compileClasspath&#39;: Could not resolve com.google.android.gms:play-services-auth:15.0.1.">Show Details</a> 
Unable to resolve dependency for ':app@debugUnitTest/compileClasspath': Could not resolve com.google.android.gms:play-services-auth:15.0.1.
<a href="openFile:D:/DeVEloPER/Android/InternshipProjects/Watchman/app/build.gradle">Open File</a><br><a href="Unable to resolve dependency for &#39;:app@debugUnitTest/compileClasspath&#39;: Could not resolve com.google.android.gms:play-services-auth:15.0.1.">Show Details</a>    
Unable to resolve dependency for ':app@release/compileClasspath': Could not resolve com.google.android.gms:play-services-auth:15.0.1.
<a href="openFile:D:/DeVEloPER/Android/InternshipProjects/Watchman/app/build.gradle">Open File</a><br><a href="Unable to resolve dependency for &#39;:app@release/compileClasspath&#39;: Could not resolve com.google.android.gms:play-services-auth:15.0.1.">Show Details</a>  
Unable to resolve dependency for ':app@releaseUnitTest/compileClasspath': Could not resolve com.google.android.gms:play-services-auth:15.0.1.
<a href="openFile:D:/DeVEloPER/Android/InternshipProjects/Watchman/app/build.gradle">Open File</a><br><a href="Unable to resolve dependency for &#39;:app@releaseUnitTest/compileClasspath&#39;: Could not resolve com.google.android.gms:play-services-auth:15.0.1.">Show Details</a>

标签： javaandroid

解决方案

使用最新版本更新您的项目 gradle 文件

 classpath 'com.android.tools.build:gradle:3.1.0'
    classpath 'com.google.gms:google-services:3.0.0'

也放置

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

在您的应用程序 gradle 依赖项的底部。

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