NavigatorIOS bug

gistfile1.txt

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

var React = require('react-native');
var {
    AppRegistry,
    Navigator,
    NavigatorIOS,
    ScrollView,
    TabBarIOS,
    Text,
    View,
    StyleSheet,
} = React;


var HelloWorld = React.createClass({

    render: function () {
        return       <View style={styles.container}>
        <Text style={styles.welcome}>
          Welcome to React Native!
        </Text>
      </View>;

    }

});



var NavigatorBug = React.createClass({

    getInitialState: function () {
        return {'navigationBarHidden': false};

    },

    componentDidMount: function () {
        setInterval(()=> {
            this.setState({navigationBarHidden: !this.state.navigationBarHidden})
        }, 1000)
    },

  render: function() {
      return <NavigatorIOS
          style={{flex: 1}}
          navigationBarHidden={this.state.navigationBarHidden}
          initialRoute={{component: HelloWorld}}/>
  }
});

var styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: '#F5FCFF',
  },
  welcome: {
    fontSize: 20,
    textAlign: 'center',
    margin: 10,
  },
  instructions: {
    textAlign: 'center',
    color: '#333333',
    marginBottom: 5,
  },
});

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