我们都知道UIScrollView有一种很流畅的切换效果，结合UIPageControl的辅助展示效果，就可以完成一个很不错的产品介绍功能页面。下面给大家分享iOS UIScrollView滚动视图/无限循环滚动/自动滚动功能，具体代码如下所示；
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<UIScrollViewDelegate>#define WIDTH [[UIScreen mainScreen] bounds].size.width#define HEIGHT [[UIScreen mainScreen] bounds].size.height@property (nonatomic, strong)NSTimer *timer; //定时器@property (nonatomic, retain)NSMutableArray *arr; //放图片的数组@property (nonatomic, retain)UIView *headerView; //tableView的表头@property (nonatomic, retain)UIImageView *image; //图片@property (nonatomic, retain)UIScrollView *scrollView; @property (nonatomic, retain)UIPageControl *pageC; //页码//设置头视图- (void)headImage{ //图片数组 self.arr = [NSMutableArray arrayWithObjects:@"8.jpg",@"1.jpg", @"2.jpg", @"3.jpg", @"4.jpg", @"5.jpg", @"6.jpg", @"7.jpg", @"8.jpg", @"1.jpg", nil]; self.scrollView = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, WIDTH, 200 * HEIGHT/667)]; self.scrollView.backgroundColor = [UIColor clearColor]; //设置滚动量 self.scrollView.contentSize = CGSizeMake(WIDTH * self.arr.count, 0); //设置偏移量 self.scrollView.contentOffset = CGPointMake(WIDTH, 0); //设置按页滚动 self.scrollView.pagingEnabled = YES; //设置是否显示水平滑动条 self.scrollView.showsHorizontalScrollIndicator = NO; //设置是否边界反弹 self.scrollView.bounces = NO; //把scrollView添加到tableView的表头的视图上 [self.headerView addSubview:self.scrollView]; [_scrollView release]; //循环图片添加到UIImageView上 for (int i = 0 ; i < self.arr.count; i++) { NSString *name = [self.arr objectAtIndex:i]; UIImage *img = [UIImage imageNamed:name]; self.image = [[UIImageView alloc]init]; self.image.frame = CGRectMake(i * WIDTH, 0, WIDTH, 200 * HEIGHT/667); self.image.image = img; [self.scrollView addSubview:self.image]; [_image release]; } self.scrollView.delegate = self; //设置页面 self.pageC = [[UIPageControl alloc]initWithFrame:CGRectMake(100 * WIDTH/375, 120 * HEIGHT/667, 200* WIDTH/375, 60*HEIGHT/667)]; self.pageC.backgroundColor = [UIColor clearColor]; //把页码添加到头视图上 [self.headerView addSubview:self.pageC]; //设置页码数 self.pageC.numberOfPages = self.arr.count; //设置选中页码的颜色 self.pageC.currentPageIndicatorTintColor = [UIColor brownColor]; //设置未选中的页码颜色 self.pageC.pageIndicatorTintColor = [UIColor grayColor]; //设置当前选中页 self.pageC.currentPage = 0; //核心方法 [self.pageC addTarget:self action:@selector(pageAction:) forControlEvents:UIControlEventValueChanged]; [_pageC release]; //自定义一个定时器方法 [self addTimer];} //定时器执行方法- (void)change:(NSTimer *)time{ if (self.pageC.currentPage == self.pageC.numberOfPages - 1) { self.pageC.currentPage = 0; } else if (self.pageC.currentPage < self.pageC.numberOfPages - 1) { self.pageC.currentPage++; } [self.scrollView setContentOffset:CGPointMake((self.pageC.currentPage + 1) * WIDTH, 0) animated:NO]; } |
以上所述是小编给大家介绍的iOS UIScrollView滚动视图/无限循环滚动/自动滚动的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：http://blog.csdn.net/xcp_123/article/details/56835533
