I have a UIScrollView with the requirement that, when zooming, the contentSize.height should remain the same. Zooming in from 200x100 should result in a new contentSize of 400x100 instead of 400x200,
I am wondering if there is some way to create and send VCards based upon the iPhone Address Book information from my own app.On the Mac, there is some easy function in the built in app to do this, but
I am developing an application where the user can tap multiple hit areas which produces sounds. But the result is a little laggy, when multiple sounds start at the same time, the sounds are played wit
I´ve created an utility Application which is nearly complete, but now I´m on a point were I really have to persist Data.
How would I create a core-data application that syncs with a MySQL database? Should I implement a SQL-Lite layer and try to sync with MySQL that way?
I am currently doing a lot of data wrangling. I ingest a lloonngg NSData byte streams and then parse that d开发者_C百科ata. The parsing is trivial. However, I have to simulate consumption of the data
I need to mask a whole animation that takes place in a UIImageView. I tried subclassing the UIImageView and doing the masking in its drawRect call but that doesn\'t get called on every frame of the an
I have a UIViewController subclass that I am trying to have handle the shake event when its view is up.
I\'m trying to get NSDate from UIDateP开发者_C百科icker, but it constantly returns me a date time with trailing 20 seconds. How can I manually set NSDate\'s second to zero?NSDate is immutable, so you
I am trying to cover my bases with reachability so that my app doesn\'t get rejected by the App Store.I am familiar with the Reachability class that Apple provides in sample code.My question is, how b
加载中,请稍侯......