ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Node.js was installed at: /usr/local/bin/node ? npm was installed at: /usr/local/bin/npm ? Make sure that /usr/local/bin is in your $PATH.
brew install watchman
brew install flow
sudo npm install -g react-native
react-native 会直接生成android和iOS,所以不需要添加平台。
原文:http://www.cnblogs.com/xuhuizhan520/p/6142215.html