title: How to notify the user with an alert sound every week from my application?
body: <pre><code>UILocalNotification *localNotification = [[UILocalNotification alloc] init];
  [localNotification setFireDate:[NSDate dateWithTimeIntervalSinceNow:3600]];
  [localNotification setAlertAction:@"Launch"];
  [localNotification setAlertBody:[alertBodyField text]];
  [localNotification setHasAction: YES];
  [localNotification setApplicationIconBadgeNumber:[[UIApplication sharedApplication] applicationIconBadgeNumber]+1];
  [[UIApplication sharedApplication] scheduleLocalNotification:localNotification];
  [alertNotification setHidden:NO];
  </code></pre>