flutter version downgrade 방법

flutter 명령어를 확인해보면 다음과 같이 'downgrade'가 있다. 

그렇기에 'flutter downgrade v3.0.0'을 입력하면 될꺼 같지만 되지 않는다.

방법은 다음과 같다. 

1.현재 fluter 버전과 channel을 확인 flutter --version 

PS D:\> flutter --version
Flutter 3.0.5 • channel stable • https://github.com/flutter/flutter.git
Framework • revision f1875d570e (6 weeks ago) • 2022-07-13 11:24:16 -0700
Engine • revision e85ea0e79c
Tools • Dart 2.17.6 • DevTools 2.12.2

 

 

2. 변경할 flutter version을 확인 

https://docs.flutter.dev/development/tools/sdk/releases?tab=macos 

Flutter SDK releases

3. 현재 flutter SDK설치 폴더로 이동

PS D:\SDK> cd .\flutter\

3-1.  flutter sdk 설치 위치 확인 

D:\> flutter doctor -v
[✓] Flutter (Channel stable, 3.0.5, on macOS 12.5.1 21G83 darwin-arm, locale ko-KR)
    • Flutter version 3.0.5 at /Users/na/development/flutter

4. git checkout 버전명  원하는 버전 명 입력

D:\SDK\flutter> git checkout 2.10.5
Updating files: 100% (2043/2043), done.
Note: switching to '2.10.5'.

5. flutter doctor

 D:\SDK\flutter> flutter doctor
Checking Dart SDK version...
Downloading Dart SDK from Flutter engine 57d3bac3dd5cb5b0e464ab70e7bc8a0d8cf083ab...
Expanding downloaded archive...
Building flutter tool...
Running pub upgrade...
Downloading Material fonts...                                    2,006ms
Downloading package sky_engine...                                  542ms
Downloading flutter_patched_sdk tools...                         1,387ms
Downloading flutter_patched_sdk_product tools...                 1,660ms
Downloading windows-x64 tools...                                   10.6s
Downloading windows-x64/font-subset tools...                     2,101ms
Doctor summary (to see all details, run flutter doctor -v):

6. flutter --version을 통해 다운그래이드가 되었는지 확인

 D:\SDK\flutter> flutter --version
Flutter 2.10.5 • channel unknown • unknown source
Framework • revision 5464c5bac7 (4 months ago) • 2022-04-18 09:55:37 -0700
Engine • revision 57d3bac3dd
Tools • Dart 2.16.2 • DevTools 2.9.2