[React Native] Up and Running

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We‘ll download the requirements for getting started with React Native, refactor our app to ES6, walk through debugging, and talk about the philosophy behind React and React Native.

 

Install:

brew install --HEAD watchmanbrew install flownpm install -g react-native-cli

 

Create a project:

react-native init githubnotepicker

 

Run the project:

cd githubnotepickerreact-native run-ios

The simulator will pop up.

 

Enable the hot reload:

cmd + D -->  enable hot reload

After that, once you change the code, the app will reload automatically.

 

Debugger:

class githubnotetaker extends Component {  render() {    name="zhentian";    debugger;    return (      <View style={styles.container}>        <Text style={styles.welcome}>          Welcome to React Native!        </Text>        <Text style={styles.instructions}>          To get started, edit index.ios.js        </Text>        <Text style={styles.instructions}>          Press Cmd+R to reload,{‘\n‘}          Cmd+D or shake for dev menu        </Text>      </View>    );  }}

We add a ‘debugger‘ there. "cmd + D" --> Enable remote JS debugging. 

Then refresh the page, you will see a page pop up, then open the debug tool. Then you can debug as you do on the web.

 

[React Native] Up and Running

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