在 Debian 上“升级 Flutter 版本”通常不是通过 apt(Debian 官方仓库里一般没有 Flutter,或版本很旧),而是使用 Flutter SDK 自带的升级机制。下面按常见情况说明。
cd ~/flutter
# 或你实际安装的路径,例如 /opt/flutter
flutter --version
flutter upgrade
这会:
stable)flutter --version
flutter doctor
flutter channel
flutter channel stable
flutter upgrade
flutter channel beta
flutter upgrade
flutter version 3.19.6
sudo snap refresh flutter
查看版本:
flutter --version
Debian 官方源里的 Flutter 通常很旧,不建议用于开发。
检查是否 apt 安装:
which flutter
如果路径是 /usr/bin/flutter 且不是你自己放的,建议:
flutter pub upgrade
flutter doctor --android-licenses
确保你对 Flutter 目录有写权限:
sudo chown -R $USER:$USER ~/flutter
✅ 使用官方 Flutter SDK
✅ 定期 flutter upgrade
❌ 不要依赖 Debian apt 的 Flutter
如果你愿意,可以告诉我:
我可以给你更精确的升级命令。