UIScrollView （一）UIScrollView基本用法和代理方法，uiscrollview代理

UIScrollView （一）UIScrollView基本用法和代理方法，uiscrollview代理
- (void)viewDidLoad{    [super viewDidLoad];         scrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, 460)];    scrollView.backgroundColor = [UIColor redColor];    // 是否支援滑動最頂端//    scrollView.scrollsToTop = NO;    scrollView.delegate = self;    // 設定內容大小    scrollView.contentSize = CGSizeMake(320, 460*10);    // 是否反彈//    scrollView.bounces = NO;    // 是否分頁//    scrollView.pagingEnabled = YES;    // 是否滾動//    scrollView.scrollEnabled = NO;//    scrollView.showsHorizontalScrollIndicator = NO;    // 設定indicator風格//    scrollView.indicatorStyle = UIScrollViewIndicatorStyleWhite;    // 設定內容的邊緣和Indicators邊緣//    scrollView.contentInset = UIEdgeInsetsMake(0, 50, 50, 0);//    scrollView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 50, 0, 0);    // 提示使用者,Indicators flash    [scrollView flashScrollIndicators];    // 是否同時運動,lock    scrollView.directionalLockEnabled = YES;    [self.view addSubview:scrollView];         UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 200, 320, 40)];    label.backgroundColor = [UIColor yellowColor];    label.text = @"學習scrolleview";    [scrollView addSubview:label];    [label release];} #pragma mark - /*// 返回一個放大或者縮小的視圖- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{     }// 開始放大或者縮小- (void)scrollViewWillBeginZooming:(UIScrollView *)scrollView withView:(UIView *)view{     } // 縮放結束時- (void)scrollViewDidEndZooming:(UIScrollView *)scrollView withView:(UIView *)view atScale:(float)scale{     }  // 視圖已經放大或縮小- (void)scrollViewDidZoom:(UIScrollView *)scrollView{NSLog(@"scrollViewDidScrollToTop");} */ // 是否支援滑動至頂部- (BOOL)scrollViewShouldScrollToTop:(UIScrollView *)scrollView{    return YES;} // 滑動到頂部時調用該方法- (void)scrollViewDidScrollToTop:(UIScrollView *)scrollView{    NSLog(@"scrollViewDidScrollToTop");} // scrollView 已經滑動- (void)scrollViewDidScroll:(UIScrollView *)scrollView{    NSLog(@"scrollViewDidScroll");} // scrollView 開始拖動- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView{    NSLog(@"scrollViewWillBeginDragging");} // scrollView 結束拖動- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate{    NSLog(@"scrollViewDidEndDragging");} // scrollView 開始減速（以下兩個方法注意與以上兩個方法加以區別）- (void)scrollViewWillBeginDecelerating:(UIScrollView *)scrollView{    NSLog(@"scrollViewWillBeginDecelerating");} // scrollview 減速停止- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{   NSLog(@"scrollViewDidEndDecelerating"); }