flutter: 常用命令

一，查看当前channel

Zhuanz1@MacBook-Pro ~ % flutter channel
Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source!
Flutter channels:
  master (latest development branch, for contributors)
  main (latest development branch, follows master channel)
  beta (updated monthly, recommended for experienced users)
* stable (updated quarterly, for new users and for production app releases)

二，设置当前channel

% flutter channel stable

三，查看flutter版本

% flutter --version
Flutter 3.41.2 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 90673a4eef (8 days ago) • 2026-02-18 13:54:59 -0800
Engine • hash d96704abcce17ff165bbef9d77123407ef961017 (revision 6c0baaebf7) (9 days ago) • 2026-02-18 19:22:23.000Z
Tools • Dart 3.11.0 • DevTools 2.54.1

四，查看dart版本

Zhuanz1@MacBook-Pro ~ % dart --version
Dart SDK version: 3.11.0 (stable) (Mon Feb 9 00:38:07 2026 -0800) on "macos_x64"

五，升级

% flutter upgrade

六，检查环境配置:

% flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.41.2, on macOS 15.7.4 24G517 darwin-x64, locale zh-Hans-CN)
[!] Android toolchain - develop for Android devices (Android SDK version 36.1.0)
    ✗ cmdline-tools component is missing.
      Try installing or updating Android Studio.
      Alternatively, download the tools from https://developer.android.com/studio#command-line-tools-only and make sure to set the
      ANDROID_HOME environment variable.
      See https://developer.android.com/studio/command-line for more details.
    ✗ Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/to/macos-android-setup for more details.
[✗] Xcode - develop for iOS and macOS
    ✗ Xcode installation is incomplete; a full installation is necessary for iOS and macOS development.
      Download at: https://developer.apple.com/xcode/
      Or install Xcode via the App Store.
      Once installed, run:
        sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
        sudo xcodebuild -runFirstLaunch
    ✗ CocoaPods not installed.
        CocoaPods is a package manager for iOS or macOS platform code.
        Without CocoaPods, plugins will not work on iOS or macOS.
        For more info, see https://flutter.dev/to/platform-plugins
      For installation instructions, see https://guides.cocoapods.org/using/getting-started.html#installation
[✓] Chrome - develop for the web
[✓] Connected device (2 available)
[!] Network resources             
    ✗ A network error occurred while checking "https://github.com/": Operation timed out

! Doctor found issues in 3 categories.