There are two categories of notifications on iOS devices. One type is a push notification sent by a server, and the other is a local notification scheduled on-device that appears at a particular time or location.
This tutorial focuses on local notifications. An example of a local notification can be seen in your calendar. You add an appointment, set it to remind you 15 minutes before, and 15 minutes before the meeting begins, you see a notification on your lock screen. Let’s take a look at how these work.[Read more…]