android flutter安装

1.clone flutter到本地

git clone -b beta https://github.com/flutter/flutter.git

2.//把         安装目录/flutter/bin

export PATH=`pwd`/flutter/bin:$PATH

3.配置环境变量

（1）open ~/.bash_profile

 （2）在该文件下加入：

export PATH_TO_FLUTTER_GIT_DIRECTORY=(flutter代码地址)flutter

export PATH=${PATH}:${PATH_TO_FLUTTER_GIT_DIRECTORY}/bin

（3）执行flutter doctor

（4）安装插件fultter 和dart