iOS UIScrollView滚动视图/无限循环滚动/自动滚动的实例代码

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；

<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快网idc网站的支持！

iOS UIScrollView滚动视图/无限循环滚动/自动滚动的实例代码

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