React native environment build-ios

   

 1.install Homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2. Install nvm

brew install nvm

 

mkdir ~/.nvm

vi ~/.bash_profile
write
export NVM_DIR=~/.nvm
.$(brew --prefix nvm)/nvm.sh

and save it.

    Close the command line and reopen it, enter the command

  

nvm --version

    will prompt 0.31.0

3. Install watchman, flow

   

brew install watchman
brew install flow

4. Install xocde 

    Enter the appstore, click xode to download and install

 

5. Install nodejs

   nvm install node //This installation will take a long time, it is best to use vpn, otherwise the installation will be difficult

   nvm alias default node

5. Install react native

   npm install -g react-native-cli //It is difficult to download

6. Create a react native project

  react-native init Awesome //Awesome project name