UIScrollView基本使用

来源：互联网发布：win7一拖二软件编辑：程序博客网时间：2024/04/26 07:41
- (void)viewDidLoad{    [super viewDidLoad];         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{    return YES;} // 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"); }
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