UIScrollView基本用法和代理方法

- (void)viewDidLoad

{

[superviewDidLoad];

scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)];

scrollView.backgroundColor = [UIColor redColor];

//
是否支持滑动最顶端

// scrollView.scrollsToTop = NO;

scrollView.delegate = self;

//
设置内容大小

scrollView.contentSize = CGSizeMake(320, 460*10);

//
是否反弹

// scrollView.bounces = NO;

//
是否分页

// scrollView.pagingEnabled = YES;

//
是否滚动

// scrollView.scrollEnabled = NO;

// scrollView.showsHorizontalScrollIndicator = NO;

//
设置indicator风格

// scrollView.indicatorStyle = UIScrollViewIndicatorStyleWhite;

//
设置内容的边缘和Indicators边缘

// scrollView.contentInset = UIEdgeInsetsMake(0, 50, 50, 0);

// scrollView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 50, 0, 0);

//
提示用户,Indicators flash

[scrollView flashScrollIndicators];

//
是否同时运动,lock

scrollView.directionalLockEnabled = YES;

[self.view addSubview:scrollView];

UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 200, 320, 40)];

label.backgroundColor = [UIColor yellowColor];

label.text = @"学习scrolleview";

[scrollView addSubview:label];

[label release];

}

#pragma mark -

/*

//
返回一个放大或者缩小的视图

- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView

{

}

//
开始放大或者缩小

- (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:

(UIView *)view

{

}

//
缩放结束时

- (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(float)scale

{

}

//
视图已经放大或缩小

- (void)scrollViewDidZoom:(UIScrollView *)scrollView

{

NSLog(@"scrollViewDidScrollToTop");

}

*/

//
是否支持滑动至顶部

- (BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView

{

returnYES;

}

//
滑动到顶部时调用该方法

- (void)scrollViewDidScrollToTop:(UIScrollView *)scrollView

{

NSLog(@"scrollViewDidScrollToTop");

}

// scrollView
已经滑动

- (void)scrollViewDidScroll:(UIScrollView *)scrollView

{

NSLog(@"scrollViewDidScroll");

}

// scrollView
开始拖动

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView

{

NSLog(@"scrollViewWillBeginDragging");

}

// scrollView
结束拖动

- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate

{

NSLog(@"scrollViewDidEndDragging");

}

// scrollView
开始减速（以下两个方法注意与以上两个方法加以区别）

- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView

{

NSLog(@"scrollViewWillBeginDecelerating");

}

// scrollview
减速停止

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView

{

NSLog(@"scrollViewDidEndDecelerating");

}