颤振降级错误-通道没有先前记录的版本

html5 • • 问答

我的项目使用不向后兼容的包，

我厌倦了在新 PC 上安装，但它安装了最新的 Flutter 并且我无法降级 Flutter

$ flutter downgrade v1.22.6
Downloading Dart SDK from Flutter engine a252ec09b74cca0f8d8d3450566bf77c77f81e8d...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  199M  100  199M    0     0  1159k      0  0:02:55  0:02:55 --:--:-- 2695k
Building flutter tool...
Downloading Material fonts...                                    1,453ms
Downloading Gradle Wrapper...                                      242ms
Downloading package sky_engine...                                  914ms
Downloading flutter_patched_sdk tools...                            4.8s
Downloading flutter_patched_sdk_product tools...                    3.9s
Downloading linux-x64 tools...                                      7.3s
Downloading linux-x64/font-subset tools...                         874ms
There is no previously recorded version for channel "dev".

我试着stable和beta以及

$ flutter downgrade v1.22.6
There is no previously recorded version for channel "stable".

flutter downgrade 1.22.6
There is no previously recorded version for channel "beta".

我也试过：

$ flutter version v1.22.6
WARNING: Flutter version command has been removed, using latest from channel

回答

cd 到 flutter 目录，例如 /home/elia/snap/flutter/common/flutter

然后做：

git checkout 1.22.6

回答

你可以从Flutter SDK 发布页面下载你想要的版本，然后在你的机器上安装它作为你的 Flutter SDK。

以上是颤振降级错误-通道没有先前记录的版本的全部内容。
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