| Foundation.framework | |
| Public Framework | |
|---|---|
| Availabile | 1.0 – present |
| Class Prefix | NS |
| Headers | [headers.cynder.me] |
This is the basic Objective-C-based framework, used by everything. Provides NSString, NSDictionary, NSArray, ... It provides many classes that wrap CoreFoundation classes, but also provides unique functionality above and beyond that.
Mac OS X classes that are undocumented on the iPhoneOS
There are several classes that are present on both Mac OS X and iPhoneOS, but the corresponding documentation are not found on the iPhoneOS.
| Class | Possible reason for being undocumented |
|---|---|
| NSAffineTransform | CGAffineTransform is used instead. |
| NSUnarchiver and NSArchiver | Deprecated — use NSKeyedUnarchiver and NSKeyedArchiver instead. |
| NSPointerFunctions, NSHashTable and NSMapTable | No garbage collection on iPhoneOS. |
| NSHost | Who knows? |
| NSTask | SDK-compatible programs are not supposed to open other executables. |
| NSPortMessage | SDK-compatible programs are not supposed to perform IPC. (Although NSMessagePort is documented.) |
| NSProtocolChecker | Distributed objects are not available on the iPhoneOS. |
| NSURLDownload | Who knows? (Note that NSURLDownload was not available.) |
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