index.os.js

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 */
'use strict';

var React = require('react-native');
var {
  AppRegistry,
  StyleSheet,
  Text,
  View,
  Image
} = React;

var gifTest = React.createClass({
  render: function() {
    return (
      <View style={styles.container}>
        <Image
          style={styles.animatedImage}
          source={{uri:"http://i.giphy.com/13YkBrhLJdziXm.gif"}}/>
        <Text style={styles.welcomeText}>
          {"Hello world !"}
        </Text>
      </View>
    );
  }
});

var styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: 'black'
  },
  animatedImage: {
    width:200,
    height:200
  },
  welcomeText: {
    paddingTop: 40,
    color:'white',
    fontSize: 30
  }
});

AppRegistry.registerComponent('gifTest', () => gifTest);