react-native-cross-button/example/Example/index.android.js

Integrate cross button, spinner, popOver(dropdown) and many other things.

import React, { Component } from 'react';
import {
  AppRegistry,
  StyleSheet,
  Text,
  View
} from 'react-native';

import Kernel from './example.js'

AppRegistry.registerComponent('Example', () => Kernel);