Bart Jacobs

A handful of predefined cell styles have been available to developers since iOS 3. They are convenient and very useful for prototyping, but in many...

With the release of iOS 4, the Core Location framework received a significant update by providing support for geofencing. Not only can an application be...

Mobile analytics provides a wide range of services to developers. Used with web and mobile analytics, Mixpanel is an established player. In this tutorial, I...

Logging is one of the most useful instruments to inspect, understand, and debug iOS and OS X applications. You are probably familiar with the NSLog function...

Have you ever had the need to send a customer from your iOS application to the App Store? Maybe you wanted her to rate your application in the App Store or...

Sandboxing on iOS makes the platform much more secure and this ultimately benefits every user of the platform. However, because of the strict rules inherent...

When Loren Brichter introduced the idea of "pull to refresh" in Tweetie 2 a few years ago, it wasn't long before developers started to adopt this ingenious...

You have learned a lot over the past five weeks, grasshopper, and you might even feel a bit overwhelmed at this point. I would like to leave you with some...

In the previous lessen, we laid the foundation for the shopping list application. In the first part of this lesson, we'll further refine the application by...

In the next two lessons, we'll put the knowledge learned in this series into practice by creating a basic shopping list application. Along the way, you'll...

Persisting data across application launches is a requirement that most iOS applications have, from storing user preferences using the user defaults system to...

While navigation controllers let users navigate hierarchical content or complex data by managing a stack of view controllers, tab bar controllers manage an...