Flutter开发中在运行pubspec.yaml文件中的Packages upgrade后,由于访问不到pub服务器(HTTP error 478: status code 478),所以更新任务一直处于重试机制,这个时候运行其它任何任务都会报Waiting for another flutter command to release the startup lock。 错误日志 分析及解决 1.如何停止正在运行的upgrade任务? 首先Flutt...
flutter upgrade 这个命令首先获取你的Flutter渠道可用的最新的Flutter SDK版本。接着这个命令更新你 app依赖的每一个package,到最新的兼容版本。 flutter pub upgrade 如果你修改了pubspec.yaml文件,或者想仅更新项目依赖的 packages,而不是同时更新 packages 和 Flutter SDK,可以选择使用下面提到的 flutter pub 命令。
可以看到,首先实例化了一个 FlutterCommandRunner 对象,接着把所有支持的 FlutterCommand 列表加入 runner 对象中,然后调用了 runner 的 run 方法,所以我们现在查看packages/flutter_tools/lib/src/runner/flutter_command_runner.dart文件的 run 方法,如下: 代码语言:txt 复制 ... @override Future<void> run(Iterab...
Run command flutter upgrade on Windows 10 Outcome Unable to upgrade Flutter: no upstream repository configured. Code involved https://github.com/flutter/flutter/blob/master/packages/flutter_tools/lib/src/commands/upgrade.dart 9e42e4b Notes It seems that flutter is swallowing up the real error here...
from GitHub (as opposed to from a prepackaged archive), the Flutter tool will download the Dart SDK from Google servers immediately when first run, as it is used to execute thefluttertool itself. This will also occur when Flutter is upgraded (e.g. by running theflutter upgradecommand). ...
flutter packagesget获取项目所有的依赖包。 flutter packages upgrade 获取项目所有依赖包的最新版本。 4.安装Xcode、Android Studio 为iOS开发Flutter程序,需要安装iOS开发工具Xcode,一般安装开发工具后所需要的命令行工具也会一并安装。 为Android开发Flutter程序,需要安装Android开发工具Android Studio。
若想升级flutter SDK,需要执行命令:flutter upgrade 。 该命令会同时更新Flutter SDK和flutter项目依赖包。若只更新项目依赖包(不包括Flutter SDK),可以使用以下命令: flutter packages get 获取项目所有的依赖包。 flutter packages upgrades 获取项目所有依赖包的最新版本。
pub Commandsformanaging Flutter packages. run Run your Flutter app on an attached device. screenshot Take a screenshot from a connected device. test Run Flutter unit testsforthe current project. upgrade Upgrade yourcopyof Flutter. version List orswitchflutter versions. ...
from GitHub (as opposed to from a prepackaged archive), the Flutter tool will download the Dart SDK from Google servers immediately when first run, as it is used to execute thefluttertool itself. This will also occur when Flutter is upgraded (e.g. by running theflutter upgradecommand). ...
flutter upgrade 1. 该命令会同时更新Flutter SDK和你的flutter项目依赖包。如果你只想更新项目依赖包(不包括Flutter SDK),可以使用如下命令: fl utter packages get获取项目所有的依赖包。 flutter packages upgrade 获取项目所有依赖包的最新版本。 1. 2. ...