Play Video with MPMoviePlayerController in iOS 3.0 and 3.2/4.0
Apple made significant changes to the MPMoviePlayerController API:s in iOS 3.2. Before, all you had to do was to initialize the MPMoviePlayerController and call play. Now things are a bit more complicated because videos can be played on a portion of the screen (good for the iPad) and not just in full screen mode.
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MGImageUtilities
MGImageUtilities is a collection of useful UIImage categories for iPhone and iPad developers, which may be particularly handy if you intend to support the Retina Display on iPhone 4.
I use these in my visual speed-dial app, Favorites for iPhone, and I thought you might find them handy too.
NimbleKit – Smart kit for fast iPhone apps development
Xcode template to make native iPhone apps with HTML and javascript