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Flutter 安装与启动

macos 安装

# 安装 Flutter brew install --cask flutter brew install --cask android-studio # 升级 Flutter brew upgrade --cask flutter

安装完成后直接问 AI解决 flutter doctor 报错问题

flutter doctor opencode run "flutter安装处理,当前 androdi-studio 通过 brew 安装了"

环境配置

Flutter 环境变量

~/.zshrc~/.bashrc 中添加:

export ANDROID_HOME=~/Library/Android/sdk export PATH="$PATH:$ANDROID_HOME/platform-tools:$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/tools/bin"

使配置生效:

source ~/.zshrc

验证安装

flutter doctor flutter doctor -v # 详细输出

创建第一个项目

# 创建项目 flutter create my_first_app # 进入项目目录 cd my_first_app # 查看可用的设备 flutter devices # 运行项目(自动选择设备) flutter run # 指定设备运行 flutter run -d <device_id>

常用命令

# 获取依赖 flutter pub get # 构建 APK(Debug) flutter build apk --debug # 构建 APK(Release) flutter build apk --release # 构建 iOS(Release) flutter build ios --release # 运行测试 flutter test # 分析代码 flutter analyze

windows 安装

winget install --id=Google.AndroidStudio winget install --id=Flutter.Flutter

常见问题

Android License 未接受

flutter doctor --android-licenses

设备未识别

# 启用 USB 调试后重新连接 adb devices adb usb

依赖下载慢

# 使用国内镜像 export PUB_HOSTED_URL=https://pub.flutter-io.cn export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn