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run "flutter upgrade". と出たら flutter upgrade しておこう

2021/02/01に公開

あたり前じゃんって感じなんですけど書き留めておこうかなと思った。

flutter で開発していると
flutter run したときとかにこんなメッセージ出ることがありますよね。

$ flutter run
  ╔════════════════════════════════════════════════════════════════════════════╗
  ║ A new version of Flutter is available!                                     ║
  ║                                                                            ║
  ║ To update to the latest version, run "flutter upgrade".                    ║
  ╚════════════════════════════════════════════════════════════════════════════╝

これは「flutter がアップグレードしたのでよろ!」というメッセージなので
素直に flutter upgrade しておきましょう。別に爆発したりしません。

$ flutter upgrade
...
  ╔════════════════════════════════════════════════════════════════════════════╗
  ║                 Welcome to Flutter! - https://flutter.dev                  ║
  ║                                                                            ║
  ║ The Flutter tool uses Google Analytics to anonymously report feature usage ║
  ║ statistics and basic crash reports. This data is used to help improve      ║
  ║ Flutter tools over time.                                                   ║
  ║                                                                            ║
  ║ Flutter tool analytics are not sent on the very first run. To disable      ║
  ║ reporting, type 'flutter config --no-analytics'. To display the current    ║
  ║ setting, type 'flutter config'. If you opt out of analytics, an opt-out    ║
  ║ event will be sent, and then no further information will be sent by the    ║
  ║ Flutter tool.                                                              ║
  ║                                                                            ║
  ║ By downloading the Flutter SDK, you agree to the Google Terms of Service.  ║
  ║ Note: The Google Privacy Policy describes how data is handled in this      ║
  ║ service.                                                                   ║
  ║                                                                            ║
  ║ Moreover, Flutter includes the Dart SDK, which may send usage metrics and  ║
  ║ crash reports to Google.                                                   ║
  ║                                                                            ║
  ║ Read about data we send with crash reports:                                ║
  ║ https://flutter.dev/docs/reference/crash-reporting                         ║
  ║                                                                            ║
  ║ See Google's privacy policy:                                               ║
  ║ https://policies.google.com/privacy                                        ║
  ╚════════════════════════════════════════════════════════════════════════════╝

もし flutter upgrade してエラーが出た時は、
Google検索すると色々報告されてるようなのでみてみてください。

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