使用 Firestore 调用 Firebase 服务

Firebase 是一个用于开发 BaaS 应用的开发平台，它提供了诸如实时数据库、云存储、鉴权、Crash 上报、机器学习、远程配置以及托管你的静态文件等后台托管服务。

Firebase is a Backend-as-a-Service (BaaS) app development platform that provides hosted backend services such as a realtime database, cloud storage, authentication, crash reporting, machine learning, remote configuration, and hosting for your static files.

Firebase 可以支持 Flutter，如果你想获取更多信息，可以查阅下面这些链接：

Firebase supports Flutter. For more information, see:

• Firebase 文档 中的 将 Firebase 添加到您的 Flutter 应用

  Getting started with Firebase and Flutter in the Firebase docs

• 基于 Flutter 的 Firebase codelab

  Firebase for Flutter codelab

• FlutterFire 插件

  FlutterFire plugins

• 在你的 Flutter 应用后端中使用 Firestore (视频)

  Using Firestore as a backend to your Flutter app (video)

当然，Flutter 社区也创建了一些可能会对你有用的文档：

Also, the Flutter community has created docs that you might find useful:

• 在 Flutter 中使用 Firebase 实现用户鉴权

  Authenticating users with Firebase and Flutter

• 在 Flutter 中使用 Firebase 构建聊天应用

  Building chat app with Flutter and Firebase