objective c - ipad programming guidance -

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i'm @ startup level in ipad/iphone programming. there project in mind, need guidance on key points:

fundemental requirements: 1)user interface , interaction wired magazine app(playing movies on page,etc) 2)accessing timeuser spent on pages , videos more: -accessing application's data (and let's application can give permission, if there so)

maybe these easy things figure out, if point me pleased.

ps: have more 10+ top seller ebooks on ipad/ios/iphone programming , i'm started reading them. clear, names of these concepts (in way should research accessing time user spent on page- did try on google on own words not desired result)or material pointing issues ease way.

the ui portion of question should pretty easy to, take learning lot of cocoa touch library, bit of core foundation.

there 2 books highly recommend:

i recommend programming ios 4, because has been updated xcode 4.

to answer other question: best of knowledge, not allowed access other application's data due sandboxing. can, however, share data between own apps if share same app id.


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