added bundleIdentifier for IOS (#8)

* added bundleIdentifier for IOS

* fixed typo

README.md

@@ -2,13 +2,14 @@
 # react-native-version-number
 <img src="https://travis-ci.org/APSL/react-native-version-number.svg?branch=master" />
 
-Returns the `CFBundleShortVersionString` and the `CFBundleVersion`. For Android, returns the `versionName` and `versionCode`.
+Returns the `CFBundleShortVersionString` and the `CFBundleVersion` and `bundleIdentifier` on IOS. For Android, returns the `versionName` and `versionCode`.
 
 
 |  | iOS | Android | Example |
 | --- | --- | --- | --- |
 | appVersion | `CFBundleShortVersionString` | `versionName` | `1.0.2` |
 | buildVersion | `CFBundleVersion` | `versionCode` | `42` |
+| bundleIdentifier | `bundleIdentifier` | | `com.foo.bar.MyApp`|
 
 
 ## Getting started
@@ -27,6 +28,9 @@ import VersionNumber from 'react-native-version-number';
 
 console.log(VersionNumber.appVersion);
 console.log(VersionNumber.buildVersion);
+
+console.log(VersionNumber.bundleIdentifier); // IOS only
+
 ```
 
 ## License

index.js

@@ -12,6 +12,7 @@ type VersionObject = {
 const VersionNumber: VersionObject = {
   appVersion: RNVersionNumber.appVersion,
   buildVersion: RNVersionNumber.buildVersion,
+  bundleIdentifier: RNVersionNumber.bundleIdentifier
 }
 
 export default VersionNumber;

ios/RNVersionNumber.m

@@ -12,7 +12,10 @@ - (dispatch_queue_t)methodQueue
 - (NSDictionary *)constantsToExport
 {
     return @{@"appVersion"  : [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"],
-             @"buildVersion": [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleVersionKey]};
+             @"buildVersion": [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleVersionKey],
+             @"bundleIdentifier"  : [[NSBundle mainBundle] bundleIdentifier]
+            };
+
 }
 
 @end