FIrebase 云消息传递，无法解析依赖项 com.google.firebase:firebase-core:9.0

问题描述

我正在尝试按照 此处此处，但我很惊讶地添加了实现 FCM 的依赖项(com.google.firebase:firebase-core:9.0.2).每次我尝试通过项目结构添加它时，它都不会在搜索结果中列出依赖项.当我尝试将它添加到应用程序级别的 gradle 中时，它给了我一个无法解决依赖关系的错误.我不知道我要去哪里错了，但请帮我解决这个问题.

I was trying to write an application using Firebase Cloud Messaging as per the guidelines given here, but I'm struck in adding the dependency for implementing FCM (com.google.firebase:firebase-core:9.0.2). Every time I try to add it via project structure, it won't list the dependency in the search results. When I try to add it in app level gradle, it gives me an error that the dependency cannot be resolved. I don't know where I'm going wrong but please help me out with this.

推荐答案

从您的 SDK 管理器下载更新.我遇到过同样的问题.从 SDK 管理器更新 Google play services 和 Google Repository 对我有用.

Download updates from your SDK manager. I had the same issue. Updating Google play services and Google Repository from the SDK manager worked for me.

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