1. iPhone/iPad
Blog: http://tiny4.org/blog
Twitter: @Tinyfool
Mail/Gtalk: tinyfool@gmail.com

2. UIView
•
•
• UIResponder
•
• view

3. View
• Interface Builder view UIView
- (void)addSubview:(UIView *)view;
- (void)removeFromSuperview;
• view
- (void)insertSubview:(UIView *)view atIndex:(int)index;
- (void)insertSubview:(UIView *)view belowSubview:(UIView *)view;
- (void)insertSubview:(UIView *)view aboveSubview:(UIView *)view;
- (void)exchangeSubviewAtIndex:(int)index withSubviewAtIndex:
(int)otherIndex;

4. View
• CGPoint
• {x,y}
• CGSize
• {width,height}
• CGRect

5. CGPoint,CGSize,CGRect

6. CGPoint,CGSize,CGRect

7. UIView
•
•y

8. frame bounds

9. • UIView
•
- (void)drawRect:(CGRect)rect;
•
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;

11. - (void)drawRect:(CGRect)rect
• -[UIView drawRect:]
• backgroundColor
• drawRect:
• rect
• drawRect:

12. • drawRect: !
•
• View
- (void)setNeedsDisplay;
•
- (void)setNumberOfSides:(int)sides {
numberOfSides = sides;
[polygonView setNeedsDisplay];

13. CoreGraphics Quartz 2D
• UIKit
UIRectFill(CGRect rect);
UIRectFrame(CGRect rect);
• CoreGraphics: API
• CG C Base API Objective-C
• CG Quartz 2D

14. •
• PDF
• drawRect:
• path line
• drawRect:
(CGContextRef)UIGraphicsGetCurrentContext(void);
• CG
• drawRect:

15. CG
• CG UIKit
• UIColor *redColor = [UIColor redColor];
[redColor set];
• UIFont *font = [UIFont systemFontOfSize:14.0];
[myLabel setFont:font];

16. • -[NSString drawAtPoint:(CGPoint)point withFont:
(UIFont *)font]

17. UIImage
• UIImage:
•
• +[UIImage imageNamed:(NSString
*)name]
•
• -[UIImage initWithContentsOfFile:
(NSString *)path]
•

18. • - [UIImage drawAtPoint:(CGPoint)point]
• - [UIImage drawInRect:(CGRect)rect]
• - [UIImage drawAsPatternInRect:(CGRect)rect]

19. •
•
•
• CGGraphicsContext
•
•

21. • NSData *UIImagePNGRepresentation (UIImage * image);
• NSData *UIImageJPGRepresentation (UIImage * image);

22. •
• UITouch UIEvent
•
•

24. UITouch
@property(nonatomic,readonly) NSTimeInterval timestamp;
@property(nonatomic,readonly) UITouchPhase phase;
@property(nonatomic,readonly) NSUInteger tapCount;
@property(nonatomic,readonly,retain) UIWindow
*window;
@property(nonatomic,readonly,retain) UIView
*view;
- (CGPoint)locationInView:(UIView *)view;
- (CGPoint)previousLocationInView:(UIView *)view;

25. UIEvent
touch
@property(nonatomic,readonly) NSTimeInterval
timestamp;
- (NSSet *)allTouches;
- (NSSet *)touchesForWindow:(UIWindow *)window;
- (NSSet *)touchesForView:(UIView *)view;

26. UIEvent
- (NSSet *)allTouches;
- (NSSet *)touchesForWindow:(UIWindow *)window;
- (NSSet *)touchesForView:(UIView *)view;

27. UIResponder
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;

28. UIResponder

29. touchesBegan:withEvent:

30. touchesMoved:withEvent:

31. touchesEnded:withEvent:

32. touchesCancelled
touchesCancelled:(NSSet*)touches withEvent:(UIEvent*)event