It doesn’t take a lot of code to create a UILocalNotification but when you have multiple of them and you’re doing a lot of calendar math and things start getting hairy. To demystify that experience I created a project with a UITableViewController that prints out all of the current UILocalNotifications.

We’ll create 3 local notifications 1 minute apart for the next 3 minutes with these calls:

   [self createLocalNoticationAt:[[NSDate date] dateByAddingTimeInterval:60] withTitle:@"Every Minute 1!"];
    [self createLocalNoticationAt:[[NSDate date] dateByAddingTimeInterval:120] withTitle:@"Every Minute 2!"];
    [self createLocalNoticationAt:[[NSDate date] dateByAddingTimeInterval:180] withTitle:@"Every Minute 3!"];

Continue reading →