flutter 搭建

1.将flutter源码克隆到本地

git clone https://github.com/flutter/flutter.git

2.切换至/flutter/bin/,使用powershell 执行 flutter.bat doctor

3.安装android studio 并安装最新sdk

4.添加ansroid sdk目录添加至环境变量

5.执行sdk/tools/bin/sdkmanager.bat --update //升级android的license

6.执行flutter doctor --android-licenses,然后一路y