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Save As vs Exporting – Why Apple excels at UI Design?

Save As vs Exporting – Why Apple excels at UI Design?

Most users think, Mac UI is all about slick graphics and “cool” icons. Well, that might be true partially, but user interface design isn’t about photoshopping or designing cool looking icons. According to Jakob Nielsen, aesthetics is just one aspect of usability. There is much more to user friendly software than just the “cool factor” or great icons. Recently, I was using Microsoft’s Excel to edit a dozen...

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iPhone Tutorial: Follow Cost API and a open source wrapper

What is Follow Cost? Follow Cost is a interesting and powerful statistic that helps you check the “cost” you would incur by “following” a person on twitter. This is a very useful statistic that I think every twitter client should adopt.  Tweetie for iPhone was the first to implement follow cost and I use this feature of tweetie to check whether a follower is “worth the pain” (as follow cost puts it). In...

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iPhone Tutorial – Enabling reviewers to use your In-App purchases for free

iPhone Tutorial – Enabling reviewers to use your In-App purchases for free

Update: MKStoreKit 3.0, an updated version of the one presented here is available. Please check it out and use 3.0 instead of this. In-App purchases is a great way for developers to upsell by giving away their app for free and then allow them to charge for features when users start using it. This freemium model has indeed worked very well for upselling your app in the AppStore. But unfortunately, there isn’t an Apple allowed way to...

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iPhone Tutorial – UISearchDisplayController with NSPredicate

Though UISearchDisplayController is seemingly easy (and yes it’s easy), apart from the sample source code, there isn’t much documentation available from Apple. I won’t be posting code for this tutorial, (as most of them come from Apple’s own source code), however, the tutorial will contain code fragments that I wish to highlight and those I changed for improving the search using NSPredicate Step 1: Create the...

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iPhone Tutorial – In-App Purchases

iPhone Tutorial – In-App Purchases

Update: MKStoreKit 4.0, an updated version of the one presented here is available. Please check it out and use 4.0 instead of this. Update: A Chinese translation is available here. 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...

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bit.ly wrapper for Objective-C/iPhone

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"...

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