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  • Custom Camera App | Part 2: Taking Pictures

    Second part of the Custom Camera App series. Custom Camera App – Part 1: Custom Overlay Custom Camera App – Part 2: Taking Pictures Custom Camera App – Part 3: Assets Library In the first par

  • Blocks and Multithreading in iOS

    When developing for iOS, there are several ways to deal with multithreading. You can create your own threads and do whatever you please, but there are various alternatives that will make your life mu

  • Direct Access to the Camera

    Using AVFoundation framework you can access the raw data of the camera, which allows you to process images in real time. Direct access to the camera is used for Augmented Reality, or to modify an ima

  • Playing Audio in your iOS App

    Due to the fact that the iPhone and iTouch are all about playing music, one would think that playing audio in iOS would be an easy task. Well, I hate to break it to you, but playing sound effects in

  • Custom Camera App | Part 1: Custom Overlay

    First part of the Custom Camera App series. Custom Camera App – Part 1: Custom Overlay Custom Camera App – Part 2: Taking Pictures Custom Camera App – Part 3: Assets Library In this series, I

  • Saving Data with NSUserDefaults

    In today’s tutorial, I will show you how to save data that will persist through application sessions using NSUserDefaults. This class is a Foundation class that is very useful to save small amounts

  • Displaying Images in iOS

    Creating images from code is really easy, and although you can draw them in any UIView, they are almost always displayed using UIImageView, a UIView subclass. In this tutorial, I will show you how to

  • Particle Emitter With UIKit

    One of the many things that iOS 5 brought with it, is the possibility of creating cool particle systems using only UIKit. Particle systems are used for explosions, fire effects, smoke… They are mos

  • Quick Tip: Take Screenshots Programmatically

    In today’s quick tip I will show you how to take screenshots from your iOS app programmatically. There are several ways to do it, so I will show you the code Apple provided with the last SDK update

  • Simple Paint App

    In this tutorial you will learn how to handle touch events and the basics of Quartz 2D. I will show you how to create a simple Paint app to draw with your finger. There are four different functions c

  • Custom Camera App | Part 3: Assets Library

    Third part of the Custom Camera App series. Custom Camera App – Part 1: Custom Overlay Custom Camera App – Part 2: Taking Pictures Custom Camera App – Part 3: Assets Library Welcome to the la

  • Alerts in iOS

    Alerts are used to display messages with important information about the application, such as error or warning messages. This tutorial will dive into the use of UIAlertView to create alerts and how t

  • Send Email from an App

    Sending emails from your iOS app without leaving the application is really easy thanks to MFMailComposeViewController. Today I will demonstrate how to do this by creating a simple app to send an emai