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我用故事板,我已经创建了一个UIScrollView和它的出口:使用的UIScrollView和Xcode 4.6
.h
@interface ViewController : UIViewController <UIScrollViewDelegate>
@property (strong, nonatomic) IBOutlet UIScrollView *scrollView;
@end
.m
:我合成滚动视图,并在viewDidLoad中我有
- (void)viewDidLoad {
[super viewDidLoad];
self.scrollView.delegate = self;
// Init an array with 3 images
subviewArray = [[NSMutableArray alloc] initWithObjects:@"image1.jpg", @"image2.jpg", @"image3.jpg", nil];
for (int i = 0; i < [subviewArray count]; i++) {
//We'll create a View object in every 'page' of our scrollView.
CGRect frame;
frame.origin.x = self.scrollView.frame.size.width * i;
frame.origin.y = 0;
frame.size = self.scrollView.frame.size;
UIImageView *imageView = [[UIImageView alloc] initWithFrame:frame];
imageView.image = [UIImage imageNamed:[subviewArray objectAtIndex:i]];
[self.scrollView addSubview:imageView];
}
NSLog(@"%f", self.scrollView.frame.size.width);
//Set the content size of our scrollview according to the total width of our imageView objects.
self.scrollView.contentSize = CGSizeMake(self.scrollView.frame.size.width * [subviewArray count], self.scrollView.frame.size.height);
}
问题是当我打印“self.scrollView.frame.size.width”的值时,我得到“0”! 任何帮助PLZ!
您是否将滚动视图连接到插座? self.scrollView是否为? – Wain 2013-04-27 11:47:20
当然,我做过,当我不使用故事板时,它使用相同的逻辑! – raed 2013-04-27 12:14:32
你确认实例是在运行时设置的吗? – Wain 2013-04-27 12:41:13