Beginning iOS 5 Application Development

PUBLISHING A SERVICE

With all the views and outlets wired up, you can publish a service using the NSNetService class. The following Try It Out shows you how.

TRY IT OUT: Publishing a Service on the Network

1. Using the same project created in the previous section, add the following bold statements to the BonjourAppDelegate.h file:

   #import <UIKit/UIKit.h>
   
   @class BonjourViewController;
   
   @interface BonjourAppDelegate : UIResponder
   <UIApplicationDelegate, NSNetServiceDelegate>
   {
       NSNetService *netService;
   }
   
   @property (strong, nonatomic) UIWindow *window;
   
   @property (strong, nonatomic) BonjourViewController *viewController;
   
   @end

2. In the BonjourAppDelegate.m file, add the following statements in bold:

   #import“BonjourAppDelegate.h”
   
   #import“BonjourViewController.h”
   
   @implementation BonjourAppDelegate
   
   @synthesize window = _window;

   @synthesize viewController = _viewController;
   
   - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:
    (NSDictionary *)launchOptions
   {
       //---publish the service---
       netService = [[NSNetService alloc]
                    initWithDomain:@“”
                    type:@“_MyService._tcp.”
                    name:@“iOS 5 Simulator”
                    port:9876];
       netService.delegate = self;
       [netService publish]; self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; // Override point for customization after application launch. self.viewController = [[[BonjourViewController alloc] initWithNibName: @“BonjourViewController”bundle:nil] autorelease]; self.window.rootViewController = self.viewController; ...