title: iPhone: How to set repeat daily/hourly local notification?
body: <p>I want to test add local notification. I want it repeat daily/hourly. How can I do that?</p>
  
  <pre><code>NSCalendar *calendar = [NSCalendar autoupdatingCurrentCalendar];
  
   // Get the current date
      NSDate *now = [NSDate date];
  
   // Break the date up into components
  NSDateComponents *dateComponents = [calendar components:( NSYearCalendarUnit |       NSMonthCalendarUnit |  NSDayCalendarUnit )
             fromDate:now];
  
  NSDateComponents *timeComponents = [calendar components:( NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit)
             fromDate:now];
  
  
   // Set up the fire time
  NSDateComponents *dateComps = [[NSDateComponents alloc] init];
  
  [dateComps setDay:[dateComponents day]];
  [dateComps setMonth:[dateComponents month]];
  [dateComps setYear:[dateComponents year]];
  
  [dateComps setHour:[timeComponents hour]];
   [dateComps setMinute:[timeComponents minute]];
   [dateComps setSecond:[timeComponents second]+10];
  
   // Notification will fire in one minute
  
  NSDate *itemDate = [calendar dateFromComponents:dateComps];
  [dateComps release];
  
  UILocalNotification *localNotif = [[UILocalNotification alloc] init];
  if (localNotif == nil)
      return;
  
  localNotif.fireDate = itemDate;
  localNotif.timeZone = [NSTimeZone defaultTimeZone];
  
   // Notification details
  localNotif.alertBody = @"Hello World";
  
   // Set the action button
  localNotif.alertAction = @"View";
  localNotif.soundName = UILocalNotificationDefaultSoundName;
  
  applicationIconBadgeNumber++;
  
  localNotif.applicationIconBadgeNumber = applicationIconBadgeNumber;
  
   // Schedule the notification
  [[UIApplication sharedApplication] scheduleLocalNotification:localNotif];
  [localNotif release];
  </code></pre>