我是 Flutter 的新手，遇到以下错误:

package:http/http.dart That library is in a package that is not known.

也许您忘记在 pubspec.yaml 文件中提及它？

请帮助解决此错误。

最佳答案

转到您的 pubspec.yaml 文件，并添加 http 依赖项:

dependencies:
  flutter:
    sdk: flutter

  cupertino_icons: ^0.1.2
  http: any

请记住，缩进必须与“flutter”或“cupertino_icons”相同

别忘了在终端中运行这个命令:

flutter packages get

https://stackoverflow.com/questions/53462488/