[iPhone] Classes Overview

1. Class Rererence
   http://developer.apple.com/iphone/library/navigation/index.html#section=Resource%20Types&topic=Reference
   
2. Basic
   
   1. BOOL (the value can be YES or NO)
      
3. NSxxx
   http://developer.apple.com/iphone/library/documentation/Cocoa/Reference/Foundation/Miscellaneous/Foundation_Functions/Reference/reference.html
   The base class is NSObect.
   
   1. NSInteger
   2. NSNumber
      
   3. NSString
   4. NSDate
   5. NSData
   6. Connection
      
      • NSArray
      • NSDictionary
      • NSSet
   7. NSThread
      
   8. NSURL
   9. NSURLConnection
   10. NSFormatter
       
       • NSDateFormatter
       • NSNumberFormatter
         
   11. Locale
       
       • NSLocale
       • NSLocalizedString
         
   12. Notification Center
       
       • NSNotificationCenter
       • NSNotificationQueue
       • NSDistributedNotificationCenter
         
       • NSNotification
   13. File & File System
       
       • File
         
         • Property List: CFPropertyListRef
         • Archive: NSKeyedArchiver
           
         • NSFileHandle
           Open/Close, read/write in sync/async mode, seek, sync, truncate file at offset, ...
           
         • fopen/fread/fwrite/fclose
         • mmap/munmap
           
       • File System
         
         • NSFileManager
           Move, copy, remove, create, link, symbolic link, compare, get/set attributes, ...
           
         • ...
           
       • ...
         
   14. ...
       
4. UIxxx
   http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UIKit_Framework/index.html
   
   1. UIApplication, UIApplicationDelegate
   2. UIScreen
      
   3. UIViewController
      
      • UINavigationController
        - UINavigationBar
        - UINavigationItem
        - UIBarButtonItem
        
      • UITabBarController
        - UITabBar
        - UITabBarItem
        
      • xxx
        
   4. UIDevice
   5. UIBarItem
      
      • UITabBarItem
   6. UIResponder
   • UIView (This is base class)
     
     • UIWindow
     • UILabel: Display static text string
       
     • UIPickerView
     • Progress View
       
       • UIProgressView
       • UIActivityIndicatorView (This one is suitable if you don't know how long the task will take)
         
     • UIImageView
     • UIToolBar
       
     • UITabBar
       
     • UINavigationBar
       
     • UIAlertView (UIAlertViewDelegate)
       
     • UIActionSheet (UIActionSheetDelegate)
     • UIScrollView
       
     • UITableView
       - UITableViewCell (Represent a row of table view)
       - UITableViewDataSource
       - UITableViewDelegate
       
     • UITableBar
     • UITextView(UITextViewDelegate): Display multiple lines of editable text
       
     • UISearchBar
       
     • UIWebView
       
     • UIControl
     • UIButton
     • UITextField(UITextFieldDelegate): Display a single line of editable text
       
     • UIDatePicker
     • UIPageControl
     • UISegmentedControl
     • UISlider
     • UISwitch
     • UIWebView(UIWebViewDelegate)
       
5. Others
   
   • UIImage
6. ...