Ho开发者_Go百科w can I tell if the application is running on iPhone 4 or iPhone 3GS or an iPad? I want to determine if which hardware I\'m using and then provide additional functionality if it\'s an
I have an iphone application which has to support multitasking. But when i open the app and do some work then close, it is going to background and when open different app and then again switch to my o
I have a custom view which is composed of a number of UIImageViews.These UIImageViews can vary in size (from 200x200 down to 50x50).The images that they display (loaded from png files) are stored in r
I want to display an image to my users which is larger than the screen area and will overscroll to let the users drag it around and zoom in.
I have an iPhone App published for a while, developed under the SDK3, and everything works great. Some weeks ago, when Apple released the SDK4 I made some changes to my app to support multitasking (it
Is it possible to restrict an app to only run on an iPhone 4?I know you can have an iPad only app.And 开发者_运维百科in iTunes Connect you used to be able to indicate an iPhone only app. But now in iT
In iPhone 3.1 I used the following code to play a movie: moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url];
I have an iPhone app containing a large static image, which is sliced into 1024x1024 tiles and put in an UIScrollView. I\'m not clear whether I can use larger tiles on the iPhone 4.
Now that UIImage imageNamed is using @2x images for iOS4\'s retina display, there is an obvious concern that since the images are 开发者_Python百科now twice the size (pixels x pixels), that they will
I have a program running beautifully on my iPhone 4. It uses a class UIView I created (called TestView) to draw graphics using Quartz (very simply graphics such as just a few CG lines and circles). I
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