Tweet Noel’s iPhone OpenGL Programming Class is in Sept just before 360iDev. Save $399 when you attend both — hurry, 360iDev’s price increases $100 on 8/31! One of more the exciting new features of the iPhone 3GS is its faster, more advanced graphics hardware and support of OpenGL ES 2.0. Unfortunately, Apple hasn’t provided much [...]
Getting Started with OpenGL ES 2.0 On The iPhone 3GS
by Noel Llopis on 24. Aug, 2009 in Tips, Tutorials
Tutorial: Easy Audio Playback With AVAudioPlayer
by Dan Grigsby on 11. Aug, 2009 in Resources, Tips, Tools, Tutorials
Tweet There are plenty of different places to get a mobile application designed. The problem is that they’re quite expensive. You might be able to figure out how to create your own, but it will probably look very basic. Instead, a good mobile application development software can make it even easier, so that you can [...]
Accessing HTTP Headers From An NSURLRequest
by Dan Grigsby on 04. Aug, 2009 in Tips, Tutorials
Tweet Rudi Farkas left this comment on my tutorial demonstrating how to use JSON over HTTP on the iPhone: I would like to get to the HTTP headers that accompanied the response to a query sent via NSURLRequest. This falls under the easy, but not obvious class of iPhone programming problems. Worthy of a quick [...]
Combatting Ringtone App Pricing Pressure With Application Suites And Shared Pasteboards
by Dan Grigsby on 29. Jul, 2009 in Tips, Tutorials
Tweet I’m self employed, work from home, and earn a living as a blogger. Consequently, I don’t have much of a work-life balance. I’m reading Feeling Good by David Burns to rectify this. It’s basically Getting Things Done meets Life Hacker for mental health. The book is brimming with, for lack of a better label, [...]
New In iPhone 3.0 Tutorial Series, Part 4: Proximity Monitoring
by Dan Grigsby on 21. Jul, 2009 in Tips, Tutorials
Tweet Seattle Beginning iPhone Programming Workshop: August 20-21.$1200 Only $799 with “mo” coupon code and early registration discount. When Google released their iPhone app last year it was accompanied with a bit of controversy: Their app used an undocumented API to detect when the phone had been placed next to the speaker’s ear. In iPhone [...]
Fighting Back Against The App Store’s Negative Rating Bias
by Dan Grigsby on 14. Jul, 2009 in Resources, Tips, Tutorials
Tweet Apple makes it easy to rate an apps during an uninstall by popping up an alert-box and asking for a star rating. This is, in fact, the easiest way to provide feedback. Absent an uninstall, a user must first launching the app store and then navigating to the app before providing a rating. Consequently, [...]
New In iPhone 3.0 Tutorial Series, Part 3: Copy & Paste With UIPasteboard
by Dan Grigsby on 02. Jul, 2009 in News, Resources, Tips, Tutorials
Tweet Welcome to part-3 of our New In iPhone 3.0 Tutorial/Programming Series. The previous two articles in this series covered in-app email and shake to undo/redo. This time, we’ll cover the basics of reading-from and writing-to the pasteboard. Pasteboard Overview Multiple Pasteboards There isn’t just one pasteboard on the iPhone: There are two system pasteboards: [...]
Lite To Paid iPhone Application Data Migrations With Custom URL Handlers
by Stephen Lombardo on 29. Jun, 2009 in Resources, Tips, Tutorials
Tweet Stephen Lombardo and Zetetic are the creators of the encrypted iPhone data vault Strip. Apple enforces a number of restrictions on applications in the App Store. Among the most painful is the lack of feature-limited trials. Applications are either completely free, or the customer must pay up front, sight unseen. The proliferation of “Lite” [...]
New In iPhone 3.0 Tutorial Series, Part 2: In App Email, MessageUI
by Dan Grigsby on 23. Jun, 2009 in News, Resources, Tips, Tutorials
Tweet Welcome back! In the first part of this series, I showed how to implement Shake To Undo/Redo and NSUndoManager in an iPhone app. This time, we’ll add in-app email to a simple iPhone application using the new-in-3.0 MessageUI framework. Technically neither mail from an app nor MessageUI are new. MessageUI was a private framework [...]
New In iPhone 3.0 Tutorial Series, Part 1: Shake To Undo/Redo, NSUndoManager
by Dan Grigsby on 17. Jun, 2009 in News, Resources, Tips, Tutorials
Tweet Happy iPhone 3.0 release day! To celebrate the release of iPhone 3.0 and, with it, the freedom of being able to talk about things in the 3.0 SDK without violating the NDA, I’m pleased to bring you the first in a series of New In iPhone 3.0 programming tutorials. This first tutorial demonstrates how [...]
