01.
02.
03.
04.
05.
06.
07.
08.
09.#import "ViewController.h"
10.
11.@interface ViewController ()
12.
13.@end
14.
15.@implementation ViewController
16.
17.- (void)viewDidLoad
18.{
19. [super viewDidLoad];
20.
21.
22.
23. UIRotationGestureRecognizer *rotationGesture =[[UIRotationGestureRecognizer alloc]
24. initWithTarget: self
25. action: @selector(rotationGuestureHandle:)];
26. [[self view] addGestureRecognizer:rotationGesture];
27.}
28.
29.-(void) rotationGuestureHandle:(UIRotationGestureRecognizer *) sender {
30.
31. NSLog(@"Rotation Gesture Handling");
32.
33. UIRotationGestureRecognizer *rotation = (UIRotationGestureRecognizer *)sender;
34.
35. CGFloat angle = rotation.rotation;
36. imgView.transform = CGAffineTransformRotate(imgView.transform, angle);
37. rotation.rotation=0.0;
38.}
39.
40.- (void)didReceiveMemoryWarning
41.{
42. [super didReceiveMemoryWarning];
43.
44.}
45.
46.- (void)dealloc {
47. [imgView release];
48. [super dealloc];
49.}
50.@end
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