Often times you find yourself in a situation where you might want to control your application remotely. You may want to enable/disable features at a certain time, push messages to all of your users, or do some cross promotion whenever you launch a new application. All of this can easily be done with a little JSON and some simple web interface coding.

 
In this tutorial, I will show you how to use ASIHTTPRequest along with JSONKIT to fetch, parse, …

Way back when, when everyone was still complaining about Apple’s lack of support for (3rd party) multitasking, there was a simple solution put in place. This solution was known as push notifications.

Push notifications solved many of the issues associated with background processing. For example, when quitting the AIM application, the server could keep you logged in and send you a push notification when a new message arrived. You could then tap on a View button that would launch the app.

This solution is great and all, but it still requires that you have an active internet connection. As of iOS4, Apple has introduced a new type of notification that can be scheduled to fire within the device itself. It requires no complicated server programming, or additional configuration with iTunes. I am talking about Local Notifications.