React Native Hello World

index.ios.js

var React = require('react-native');
var { AppRegistry,  Text } = React;
 
var App = React.createClass({
  render: function() {
    return (
      <View>
        <Text>Hello World!</Text>
      </View>
    );
  }
});
 
AppRegistry.registerComponent('Hola', () => App);