Friday, July 24, 2009 [Tweets] [Favorites]

How To Make Your iPhone App Launch Faster

James Thomson:

Going back to the Default.png image file, I said some of the Apple applications modify it. What they do is save an image of the application when they quit and save the state of the application, that way, the default image will match the real application when it’s finished loading again. I couldn’t do this with PCalc because third-party apps can’t replace the default image.

But what I could do is keep the splashscreen default image, and then as quickly as possible display my own saved image before I loaded the calculator.

PCalc now feels like it launches very quickly, especially on an iPhone 3GS.

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