http://blog.lightvoid.net Mobile Development Thu, 21 May 2009 14:00:15 +0000 http://backend.userland.com/rss092 en Jeff LaMarche (who's blog you should definitely be following), has posted some useful intro tutorials on OpenGL. You might find them useful if your new to OpenGL and trying to get to grips with it. Check them out here. http://blog.lightvoid.net/2009/05/21/learning-opengl/ F1 Insider, our latest iPhone app for Formula 1 has just been released! Check it out: http://www.f1insider.co.uk/download/ http://blog.lightvoid.net/2009/04/08/f1-insider-now-available/ We just submitted F1 Insider to Apple, so it should hopefully be available for purchase on the App Store early next week. F1 Insider brings all the latest information on the 2009 Formula 1™ Season to your finger tips. Follow the F1 Insider team as we go through what looks set ... http://blog.lightvoid.net/2009/03/19/the-formula-1-2009-season-is-coming/ We've just released Redline, our first iPhone app based on our own IP. Check it out on the AppStore! http://blog.lightvoid.net/2009/03/04/redline-released/ Theres a few gotchas with code signing which I've found can result in errors when installing an Ad Hoc application onto a user's iPhone through iTunes, usually of the sort: "Application Redline was unable to be installed on the iPhone (Mitch iPhone) because it could not be verified". This error is ... http://blog.lightvoid.net/2009/02/25/iphone-ad-hoc-code-signing-gotchas/ Quick tip if you want a dynamic multi-line UILabel (i.e you don't know how many lines there will be), just use this: myLabel.numberOfLines = 0; Easy! http://blog.lightvoid.net/2009/01/07/dynamic-multi-line-uilabel/ Just a tip, if you are using IBOutlets and seperate nib files, if you get a strange error like this: *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UIViewController 0x44e8b0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key viewA.' Check that the controller class is set correctly for ... http://blog.lightvoid.net/2009/01/06/strange-ib-error/ Here is a list of fonts available on the iPhone with UIFont. Font Family: American Typewriter Font: AmericanTypewriter Font: AmericanTypewriter-Bold Font Family: AppleGothic Font: AppleGothic Font Family: Arial Font: ArialMT Font: Arial-BoldMT Font: Arial-BoldItalicMT Font: Arial-ItalicMT Font Family: Arial Rounded MT Bold Font: ArialRoundedMTBold Font Family: Arial Unicode MS Font: ArialUnicodeMS Font Family: Courier Font: Courier Font: Courier-BoldOblique Font: Courier-Oblique Font: Courier-Bold Font Family: Courier New Font: CourierNewPS-BoldMT Font: CourierNewPS-ItalicMT Font: CourierNewPS-BoldItalicMT Font: CourierNewPSMT Font ... http://blog.lightvoid.net/2008/11/02/iphone-uifont-list/ Properties in Objective-C can be quite useful sometimes, but you have to be careful because they don't always work how you think they should. Here is a common gotcha among people new to Obj-C and properties. Consider we have a class called Sprite, which has a property called position. @interface Sprite : ... http://blog.lightvoid.net/2008/11/01/gotcha-with-obj-c-properties/ Was having trouble figuring out how to deactivate the itunes account on the iPhone. I finally figured it out though: 1. Plug in your iPhone into your computer. 2. Open up iTunes. 3. Sign out of iTunes account on your computer (on Mac, this is under the Store menu). http://blog.lightvoid.net/2008/10/24/deactivate-itunes-account-on-iphone/