Mobile Devices

96 ◾ Lauren Collins

[application

registerForRemoteNotificationTypes:UIRemoteN

//Add the view controller’s view to the window and

display

[window addSubview:viewController.view];

[window makeKeyAndVisible];

return YES;

}

Notice we are only passing UIRemoteNoticationTypeAlert, because

all we want to receive right now is alerts. If you would like to receive other

notications, go ahead and add them:

[...]Types:UIRemoteNotificationTypeAlert | UIRemoteN

With these modications to our app delegate, the OS will begin register-

ing with the Apple Push Notication Service (APNS). If it succeeds, it will

send an application.didRegisterForRemoteNoticat ...