Last week, Apple announced that in-app purchases will be available for free apps as well. This could probably free developers from creating “lite” and “pro” versions of the app and allow developers to “unlock” features inside the app and create business models that the AppStore haven’t seen. This model could be a great boon for developers like us to upsell our apps (provided they are of good...

Continuing from my part 1, in this section, we will discuss about how to use this helper in your own application. Source Code Download the source code here MKBitlyHelper 1.0.zip Documentation With just three lines of code, you can shorten your URL using this wrapper. Initialize the helper class with your loginname and apikey. bitlyHelper = [[MKBitlyHelper alloc] initWithLoginName:@"yourlogin"...

Many a times, in an iPhone application, you might need to format the date relative to today. This code snippet will help you do it. + (NSString *) formattedDateRelativeToNow:(NSDate *)date { NSDateFormatter *mdf = [[NSDateFormatter alloc] init]; [mdf setDateFormat:@"yyyy-MM-dd"]; NSDate *midnight = [mdf dateFromString:[mdf stringFromDate:date]]; [mdf...

bit-ly-rest-api-objective-c Introduction Of late, many programmers who develop for Windows/Linux have moved to iPhone because of it's runaway success. Among the most successful apps on the Apple AppStore, first comes games (yeah I can hear you, fart apps!!!). Next comes apps like Tweetie and others those consume a web service (REST or otherwise). Games are pretty difficult get started especially if you aren't a game programmer. However,...

If you were following my tweets, you might be knowing that I got a invitation from Microsoft to test Microsoft Office 2010. Invitation to test Microsoft Office 2010 Yeah, From the screen shot it should be evident that I’m using a mac now. I testing Office 2010 by installing it on my Windows 7 Virtual Box image. Being a usability guy myself, In this article, I will primarily focus on usability aspects of Word, Excel, PowerPoint and...

OK, many of the programmers would have been confused as how to design a dialog on your website. In what order should the dialog contain the OK and Cancel Buttons? Should it be OK – Cancel like Windows or Cancel – OK like the Mac? Are there any “rule of thumb” why a certain standard should be followed? Or is it just a matter of taste? Firstly Apple’s Human Interface Guidelines state that, rather than OK or...