Привет, я пытаюсь создать фотогалерею с двумя прокрутками
один для горизонтальной прокрутки между изображениями и второй для увеличения изображений.
прокрутка между изображениями работает нормально, но я не могу увеличить изображение во второй scrollView.
mainScrollView с именем VcLicences
VcLicences.h
#import <UIKit/UIKit.h>
@interface VcLicences : UIViewController <UIScrollViewDelegate>{
IBOutlet UIScrollView* scrollView;
IBOutlet UIPageControl* pageControl;
BOOL pageControlIsChangingPage;
}
@property (nonatomic, retain) UIView *scrollView;
@property (nonatomic, retain) UIPageControl* pageControl;
/* for pageControl */
- (IBAction)changePage:(id)sender;
/* internal */
- (void)setupPage;
@end
VcLicences.m
#import "VcLicences.h"
#import "VcImageZoomView.h"
@implementation VcLicences
@synthesize scrollView;
@synthesize pageControl;
- (void)setupPage
{
scrollView.delegate = self;
[self.scrollView setBackgroundColor:[UIColor whiteColor]];
scrollView.indicatorStyle = UIScrollViewIndicatorStyleBlack;
scrollView.clipsToBounds = YES;
scrollView.scrollEnabled = YES;
scrollView.pagingEnabled = YES;
scrollView.multipleTouchEnabled = NO;
NSUInteger nim = 0;
CGFloat cx = 0;
NSArray *licence = [NSArray arrayWithObjects:@"zl1.jpg", @"zl2.jpg", @"zl3.jpg", @"dph.jpg", @"or.jpg", nil];
for (nim=0; nim < [licence count]; nim++)
{
VcImageZoomView *imageZoom = [[VcImageZoomView alloc] initWithNibName:@"VcImageZoomView" bundle:nil];
[imageZoom.view setFrame:CGRectMake(cx, 0, 320, 332)];
[imageZoom setMyImage:[licence objectAtIndex:nim]];
[scrollView addSubview:imageZoom.view];
[imageZoom release];
cx += scrollView.frame.size.width;
}
self.pageControl.numberOfPages = nim;
[scrollView setContentSize:CGSizeMake(cx, [scrollView bounds].size.height)];
}
#pragma mark UIScrollViewDelegate stuff
- (void)scrollViewDidScroll:(UIScrollView *)_scrollView
{
if (pageControlIsChangingPage)
{
return;
}
CGFloat pageWidth = _scrollView.frame.size.width;
int page = floor((_scrollView.contentOffset.x - pageWidth / 2) / pageWidth) + 1;
pageControl.currentPage = page;
}
- (void)scrollViewDidEndDecelerating:(UIScrollView *)_scrollView
{
pageControlIsChangingPage = NO;
}
- (IBAction)changePage:(id)sender
{
CGRect frame = scrollView.frame;
frame.origin.x = frame.size.width * pageControl.currentPage;
frame.origin.y = 0;
[scrollView scrollRectToVisible:frame animated:YES];
pageControlIsChangingPage = YES;
}
#pragma mark - View lifecycle
- (void)viewDidLoad
{
self.navigationItem.title = @"CZECHMAT's licenses";
[self setupPage];
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
}
- (void)viewDidUnload
{
//[scrollView release];
//[pageControl release];
}
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}
- (void)dealloc
{
[super dealloc];
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
//return (interfaceOrientation == UIInterfaceOrientationPortrait);
return YES;
}
@end
второй ScrollView для увеличения изображений с именем VcImageZoomView
VcImageZoomView.h
#import <UIKit/UIKit.h>
@interface VcImageZoomView : UIViewController <UIScrollViewDelegate>{
IBOutlet UIScrollView *scroll;
UIImageView *image;
}
@property (nonatomic, retain) UIScrollView *scroll;
-(void)setMyImage:(NSString *) imageName;
@end
VcImageZoomView.m
#import "VcImageZoomView.h"
@implementation VcImageZoomView
@synthesize scroll;
-(void)setMyImage:(NSString *) imageName;
{
NSLog(@"%@", imageName);
image = [[UIImageView alloc] initWithImage:[UIImage imageNamed:imageName]];
float scaleWidth = scroll.frame.size.width / image.frame.size.width;
float scaleHeight = scroll.frame.size.height / image.frame.size.height;
float scale = scaleWidth < scaleHeight ? scaleWidth : scaleHeight;
NSLog(@"%f", scale);
[scroll addSubview:image];
scroll.minimumZoomScale = scale;
scroll.maximumZoomScale = 1.0;
scroll.delegate = self;
[scroll setZoomScale:scroll.minimumZoomScale];
}
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
[super viewDidLoad];
}
- (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
- (void)dealloc
{
[super dealloc];
}
- (void)didReceiveMemoryWarning
{
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {
return image;
}
@end
спасибо за путь