flutterでimport 'package:http/http.dart' as http; をするのに必要な設定

やりたいこと

main.dart
にて

import 'package:http/http.dart' as http;

記載時、

Target of URI doesn't exist: 'package:http/http.dart'.
Try creating the file referenced by the URI, or Try using a URI for a file that does exist.darturi_does_not_exist
Peek Problem (Alt+F8)
No quick fixes available

になった場合の対処。

対処法

• pubspec.yaml を開く。

• dependencies: の記述を確認する。

• 下記のように追記する。

dependencies:
  http: ^0.12.0

下記コマンドを実行する

flutter packages get

すると

Target of URI doesn't exist: 'package:http/http.dart'.
Try creating the file referenced by the URI, or Try using a URI for a file that does exist.darturi_does_not_exist
Peek Problem (Alt+F8)
No quick fixes available

が消える。

関連リンク
https://flutter.dev/docs/cookbook/networking/fetch-data