2 Components

1.MyComponent.js

1. //define component
2. class MyComponent extends React.Component {
3. render() {
4. return <Text>My component!</Text>;
5. }
6. }
7. //export component
8. export default MyComponent;

2.Main.js

1. //import component
2. import MyComponent from './MyComponent';
3. class Main extends React.Component {
4. render() {
5. //use component
6. return <MyComponent>;
7. }
8. }

3.AppRegistry

1. AppRegistry.registerComponent('MyApp', () => Main);

原文: <https://unbug.gitbooks.io/react-native-training/content/2_components.html>