Infinite Scrolling in UIScrollView

阿新

发布于 2018-04-12 07:35:42

54200

代码可运行

文章被收录于专栏：c#开发者c#开发者

运行总次数：0

代码可运行

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    [theScrollView setContentSize:CGSizeMake(3 * theScrollView.bounds.size.width, theScrollView.bounds.size.height)];
    [theScrollView setPagingEnabled:YES];
    
    CGRect aFrame = theScrollView.bounds;
    
    UIView* view;
    NSLog(@"Frame: %@", NSStringFromCGRect(aFrame));
    view = [[UIView alloc] initWithFrame:aFrame];
    [view setBackgroundColor:[UIColor blueColor]];
    [theScrollView addSubview:view];
    
    aFrame = CGRectOffset(aFrame, theScrollView.bounds.size.width, 0);
    NSLog(@"Frame: %@", NSStringFromCGRect(aFrame));
    view = [[UIView alloc] initWithFrame:aFrame];
    [view setBackgroundColor:[UIColor redColor]];
    [theScrollView addSubview:view];
        
    aFrame = CGRectOffset(aFrame, theScrollView.bounds.size.width, 0);
    NSLog(@"Frame: %@", NSStringFromCGRect(aFrame));
    view = [[UIView alloc] initWithFrame:aFrame];
    [view setBackgroundColor:[UIColor yellowColor]];
    [theScrollView addSubview:view];
    
    
}