1 //
2 // UITestViewController.h
3 // UITest
4 //
5
6 #import <UIKit/UIKit.h>
7
8 @interface UITestViewController : UIViewController <UIScrollViewDelegate>
9 {
10
11 }
12
13 @end
14
15
16
17 //
18 // UITestViewController.m
19 // UITest
20 //
21
22 #import "UITestViewController.h"
23
24 UIImageView *largeImageView;
25
26 @implementation UITestViewController
27
28 - (void)viewDidLoad {
29
30 [super viewDidLoad];
31
32 CGRect scrollFrame = CGRectMake(20,90,280,280);
33 UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:scrollFrame];
34 scrollView.minimumZoomScale = 0.5;
35 scrollView.maximumZoomScale = 2.0;
36 scrollView.delegate = self;
37
38 UIImage *bigImage = [UIImage imageNamed:@"appleLogo.jpg"];
39 largeImageView = [[UIImageView alloc] initWithImage:bigImage];
40
41 [scrollView addSubview:largeImageView];
42 scrollView.contentSize = largeImageView.frame.size; //important!
43
44 [self.view addSubview:scrollView];
45
46 [scrollView release];
47 }
48
49 - (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
50 {
51 return largeImageView;
52 }
53
54 - (void)didReceiveMemoryWarning {
55 // Releases the view if it doesn't have a superview.
56 [super didReceiveMemoryWarning];
57
58 // Release any cached data, images, etc that aren't in use.
59 }
60
61 - (void)viewDidUnload {
62 // Release any retained subviews of the main view.
63 // e.g. self.myOutlet = nil;
64 }
65
66
67 - (void)dealloc {
68
69 [largeImageView release];
70
71 [super dealloc];
72 }
73
74 @end