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

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

var HelloWorld = React.createClass({
  getInitialState: function() {
    return {
      name: 'World'
    };
  },
  onNameChanged: function(event) {
    this.setState({ name: event.nativeEvent.text });
  },
  render: function() {
    return (
      <View style={styles.container}>
        <TextInput
          style={styles.nameInput}
          onChange={this.onNameChanged}
          placeholder='Who should be greeted?'/>
        <Text style={styles.welcome}>
          Hello, {this.state.name}!</Text>
        <Text style={styles.instructions}>
          To get started, edit index.ios.js
        </Text>
        <Text style={styles.instructions}>
          Press Cmd+R to reload,{'\n'}
          Cmd+Control+Z for dev menu
        </Text>
      </View>
    );
  }
});

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,
  },
  nameInput: {
    height: 36,
    padding: 4,
    margin: 24,
    fontSize: 18,
    borderWidth: 1,
  }
});

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

2015-04-11 21:53:26.041 [tid:com.facebook.React.JavaScript] "Running application "HelloWorld" with appParams: {"rootTag":1,"initialProps":{}}. __DEV__ === true, development-level warning are ON, performance optimizations are OFF"
2015-04-11 21:53:33.810 HelloWorld[16130:3112472] *** Terminating app due to uncaught exception 'NSRangeException', reason: '*** NSRunStorage, _NSBlockNumberForIndex(): index (0) beyond array bounds (0)'
*** First throw call stack:
(
    0   CoreFoundation                      0x000000010421fc65 __exceptionPreprocess + 165
    1   libobjc.A.dylib                     0x0000000103691bb7 objc_exception_throw + 45
    2   CoreFoundation                      0x000000010421fb9d +[NSException raise:format:] + 205
    3   UIFoundation                        0x000000010c2c7adb _NSBlockNumberForIndex + 84
    4   UIFoundation                        0x000000010c2b8641 -[NSLayoutManager textContainerForGlyphAtIndex:effectiveRange:] + 364
    5   UIFoundation                        0x000000010c2ba6aa -[NSLayoutManager glyphRangeForTextContainer:] + 317
    6   HelloWorld                          0x0000000102da5eb8 -[RCTText drawRect:] + 152
    7   UIKit                               0x0000000105d00612 -[UIView(CALayerDelegate) drawLayer:inContext:] + 495
    8   QuartzCore                          0x00000001059c0a1a -[CALayer drawInContext:] + 119
    9   QuartzCore                          0x00000001058ba93b CABackingStoreUpdate_ + 2793
    10  QuartzCore                          0x00000001059c0923 ___ZN2CA5Layer8display_Ev_block_invoke + 59
    11  QuartzCore                          0x00000001059c07ae _ZN2CA5Layer8display_Ev + 1478
    12  QuartzCore                          0x00000001059b54c9 _ZN2CA5Layer17display_if_neededEPNS_11TransactionE + 301
    13  QuartzCore                          0x00000001059b5551 _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 35
    14  QuartzCore                          0x0000000105921886 _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 242
    15  QuartzCore                          0x0000000105922a3a _ZN2CA11Transaction6commitEv + 462
    16  QuartzCore                          0x00000001059230eb _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 89
    17  CoreFoundation                      0x0000000104152ca7 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
    18  CoreFoundation                      0x0000000104152c00 __CFRunLoopDoObservers + 368
    19  CoreFoundation                      0x0000000104148a33 __CFRunLoopRun + 1123
    20  CoreFoundation                      0x0000000104148366 CFRunLoopRunSpecific + 470
    21  GraphicsServices                    0x0000000107b9aa3e GSEventRunModal + 161
    22  UIKit                               0x0000000105c80900 UIApplicationMain + 1282
    23  HelloWorld                          0x0000000102ceba6f main + 111
    24  libdyld.dylib                       0x0000000107197145 start + 1
    25  ???                                 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb) fe