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Schedule app local notification

/ Published in: Objective C
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Show a notification immediately after application enter in background (but you can schedule it too)

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  1. - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    
  2.  NSLog(@"application: didFinishLaunchingWithOptions:");
  3.     // Override point for customization after application launch
  4.  
  5.  UILocalNotification *localNotif = [launchOptions
  6.             objectForKey:UIApplicationLaunchOptionsLocalNotificationKey]; 
  7.  
  8.  if (localNotif) {
  9.  // has notifications
  10.  }
  11.  else {
  12.   [[UIApplication sharedApplication] cancelAllLocalNotifications];
  13.  }
  14.  [window makeKeyAndVisible];
  15.  return YES;
  16. }
  17.  
  18. - (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notif {
  19.    NSLog(@"application: didReceiveLocalNotification:");
  20.  
  21. }
  22.  
  23. - (void)applicationDidEnterBackground:(UIApplication *)application {
  24.  
  25.     UILocalNotification *localNotif = [[UILocalNotification alloc] init];
  26.     localNotif.fireDate = [NSDate date]; // show now, but you can set other date to schedule
  27.  
  28.     localNotif.alertBody = @"this is a notification!";
  29.     localNotif.alertAction = @"notification"; // action button title
  30.  
  31.     localNotif.soundName = UILocalNotificationDefaultSoundName;
  32.  
  33.     // keep some info for later use
  34.   	NSDictionary *infoDict = [NSDictionary dictionaryWithObjectsAndKeys:@"item-one",@"item", nil];
  35.     localNotif.userInfo = infoDict;
  36.  
  37.     [[UIApplication sharedApplication] scheduleLocalNotification:localNotif];
  38.     [localNotif release];
  39. }

URL: http://iphonesdkdev.blogspot.com/2010/04/local-push-notification-sample-code-os.html

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