Merge pull request #73 from twopt/master

updates to README.md

Author: Naturalclar

README.md

@@ -11,28 +11,33 @@ React Native Push Notification API for iOS.
 
 ### Install
 
-```
+```bash
 yarn add @react-native-community/push-notification-ios
 ```
 
 ### Link
+
 There are a couple of cases for linking. Choose the appropriate one.
+
 - `react-native >= 0.60`
 
  The package is [automatically linked](https://github.com/react-native-community/cli/blob/master/docs/autolinking.md) when building the app. All you need to do is:
-```
+
+```bash
 cd ios && pod install
 ```
 
 - `react-native <= 0.59`
-```
+
+```bash
 react-native link @react-native-community/push-notification-ios
 ```
 
 - upgrading to `react-native >= 0.60`
 
  First, unlink the library. Then follow the instructions above.
- ```
+
+ ```bash
  react-native unlink @react-native-community/push-notification-ios
  ```
 
@@ -45,10 +50,13 @@ react-native link @react-native-community/push-notification-ios
 Finally, to enable support for `notification` and `register` events you need to augment your AppDelegate.
 
 At the top of the file:
-```
+
+```objective-c
 #import <RNCPushNotificationIOS.h>
 ```
+
 Then, add the following lines:
+
 ```objective-c
 // Required to register for notifications
 - (void)application:(UIApplication *)application didRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings
@@ -78,7 +86,32 @@ fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler
 }
 ```
 
+Also, if not already present, at the top of the file:
+
+```objective-c
+#import <UserNotifications/UserNotifications.h>
+```
+
+Inside didFinishLaunchingWithOptions or equivalent:
+
+```objective-c
+  // Define UNUserNotificationCenter
+  UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
+  center.delegate = self;
+```
+
+And at the bottom (before @end):
+
+```objective-c
+  // Called when a notification is delivered to a foreground app.
+  -(void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions options))completionHandler
+  {
+    completionHandler(UNAuthorizationOptionSound | UNAuthorizationOptionAlert | UNAuthorizationOptionBadge);
+  }
+```
+
 ## Migrating from the core `react-native` module
+
 This module was created when the PushNotificationIOS was split out from the core of React Native. To migrate to this module you need to follow the installation instructions above and then change you imports from:
 
 ```js
@@ -98,4 +131,4 @@ import PushNotificationIOS from "@react-native-community/push-notification-ios";
 [license-badge]: https://img.shields.io/npm/l/@react-native-community/push-notification-ios.svg?style=flat-square
 [license]: https://opensource.org/licenses/MIT
 [lean-core-badge]: https://img.shields.io/badge/Lean%20Core-Extracted-brightgreen.svg?style=flat-square
-[lean-core-issue]: https://github.com/facebook/react-native/issues/23313
+[lean-core-issue]: https://github.com/facebook/react-native/issues/23313