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{ Category Archives } iPhone

Plug-And-Play OpenAL / AVFoundation Sound Engine For iPhone Apps

I recently found a great sound engine for iPhone applications that is pretty much plug-and-play.
This sound engine was written by Alex Restrepo under a creative commons attribution-share alike licence, so you are free to use it so long as you attribute the code to the author and if you change it and share it you [...]

Xcode Script For Creating Properties From Instance Variables For UIViewController

One of my favourite blogs on the net is Matt Gallagher’s Cocoa with Love. Today I was investigating ways to speed up my workflow in Xcode and I found a great mixed Perl and AppleScript script already written by Matt a couple of years ago.
The script called PropertyFromInstanceVariable had already been added to by a couple [...]

c74: iPhone/iPod Touch Max 5 External

Just downloaded a new app that allows you to create custom Max 5 interfaces on your iPhone or iPod Touch.  This looks to me like a great creative tool and the best touch software option on a mobile platform for users of Cycling ’74’s MaxMSP. c74 is integrated with Max 5, so you will need to [...]

When To Use self.myObject Instead Of myObject In iPhone Programming

I have seen a lot of confusion on the topic of when and why to reference an object using self.myObject versus just plain myObject. It took me a while to understand this myself, and please, if I am mistaken in my explanation, set me right, but here it is as I understand it.
If you reference [...]

iPhone Camera Overlay App With Custom Button Example

There seems to be a lot of interest recently in making apps that use a camera view with an overlay for augmented reality or what some might call pseudo-augmented reality applications (because often these apps just layer an image or data on a camera view). I wasn’t satisfied with the few examples I found on [...]

iWasHere iPhone App Free For A Limited Time

I have made my iPhone app iWasHere free for a limited time to encourage more users to start creating networks with their friends.
Augment your reality with iWasHere!
iWasHere is a geo-locational social networking message board. iWasHere allows you to create an augmented reality by enabling you to leave a message at a specific location which can [...]

Retrieving JSON Data In iPhone Apps

As described at www.json.org, JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate. The JSON format is one of two things; a list of name/value pairs that can be realized as an object, record, struct, dictionary, hash table, keyed [...]

iWasHere Now Available On The App Store

Augment your reality with iWasHere!
After a long wait my geo-locational social networking message board iPhone app iWasHere is finally available for purchase on the App Store.
iWasHere is a geo-locational social networking message board. iWasHere allows you to create an augmented reality by enabling you to leave a message at a specific location which can then [...]

PachubeMon Now Available On The App Store

I am happy to announce that my Pachube feed organizer/viewer application PachubeMon is now available as a free download on the App Store. It was also announced on the Pachube blog on Monday.
Pachube is a web service available at pachube.com that enables you to connect, tag and share real time sensor data from objects, devices, buildings [...]

How To Test For An Internet Connection On The iPhone

If you write an app that uses the internet then the Apple Human Interface Guidelines require that you check for a WiFi or Wireless Wide Area Network (cellular) connection and let the user know if they are not available.
The best way I have found to test for this is to make use of the code [...]