Flutter下載或Building flutter tool...慢問題解決方案

一、下載慢

git clone -b stable https://github.com/flutter/flutter.git 比較緩慢解決方案如下
請配置環境變量，以Linux為例：
打開/etc/profile或~/.bashrc，添加環境變量
export FLUTTER_STORAGE_BASE_URL=https://mirrors.sjtug.sjtu.edu.cn
export PUB_HOSTED_URL=https://dart-pub.mirrors.sjtug.sjtu.edu.cn

二、Building flutter tool...慢

flutter doctor時Building flutter tool...緩慢
添加如下環境變量

#export FLUTTER_STORAGE_BASE_URL=https://mirrors.sjtug.sjtu.edu.cn
#export PUB_HOSTED_URL=https://dart-pub.mirrors.sjtug.sjtu.edu.cn
export PUB_HOSTED_URL=https://pub.flutter-io.cn
export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn