iOS 简易无限滚动的图片轮播器-SDCycleScrollView

@interface ViewController () <</span>SDCycleScrollViewDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    self.view.backgroundColor = [UIColor colorWithRed:0.98green:0.98 blue:0.98 alpha:0.99];

    UIImageView *backgroundView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"005.jpg"]];

    backgroundView.frame = self.view.bounds;

    [self.view addSubview:backgroundView];

    

    // 情景一：采用本地图片实现

    NSArray *images = @[[UIImage imageNamed:@"h1.jpg"],

                        [UIImage imageNamed:@"h2.jpg"],

                        [UIImage imageNamed:@"h3.jpg"],

                        [UIImage imageNamed:@"h4.jpg"]

                        ];

    

    // 情景二：采用网络图片实现

    NSArray *imagesURLStrings = @[

                           @"https://ss2.baidu.com/-vo3dSag_xI4khGko9WTAnF6hhy/super/whfpf=425,260,50/sign=a4b3d7085dee3d6d2293d48b252b5910/0e2442a7d933c89524cd5cd4d51373f0830200ea.jpg",

                           @"https://ss0.baidu.com/-Po3dSag_xI4khGko9WTAnF6hhy/super/whfpf=425,260,50/sign=a41eb338dd33c895a62bcb3bb72e47c2/5fdf8db1cb134954a2192ccb524e9258d1094a1e.jpg",

                          @"http://c.hiphotos.baidu.com/image/w=400/sign=c2318ff84334970a4773112fa5c8d1c0/b7fd5266d0160924c1fae5ccd60735fae7cd340d.jpg"

                           ];

    

    // 情景三：图片配文字

    NSArray *titles = @[@"感谢您的支持，如果下载的",

                        @"如果代码在使用过程中出现问题",

                        @"您可以发邮件到[e-mail]",

                        @"感谢您的支持"

                        ];

    

    

    

    

    CGFloat w = self.view.bounds.size.width;

    

    // 本地加载 --- 创建不带标题的图片轮播器

    SDCycleScrollView *cycleScrollView = [SDCycleScrollViewcycleScrollViewWithFrame:CGRectMake(0, 100, w, 180)imagesGroup:images];

    cycleScrollView.infiniteLoop = YES;

    cycleScrollView.delegate = self;

    cycleScrollView.pageControlStyle = SDCycleScrollViewPageContolStyleAnimated;

    [self.view addSubview:cycleScrollView];

    //         --- 轮播时间间隔，默认1.0秒，可自定义

    //cycleScrollView.autoScrollTimeInterval = 4.0;

    

    

     //网络加载 --- 创建带标题的图片轮播器

    SDCycleScrollView *cycleScrollView2 = [SDCycleScrollViewcycleScrollViewWithFrame:CGRectMake(0, 320, w, 180)imageURLStringsGroup:nil]; // 模拟网络延时情景

    cycleScrollView2.pageControlAliment =SDCycleScrollViewPageContolAlimentRight;

    cycleScrollView2.delegate = self;

    cycleScrollView2.titlesGroup = titles;

    cycleScrollView2.dotColor = [UIColor yellowColor]; // 自定义分页控件小圆标颜色

    cycleScrollView2.placeholderImage = [UIImageimageNamed:@"placeholder"];

    [self.view addSubview:cycleScrollView2];

    

//             --- 模拟加载延迟

    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

        cycleScrollView2.imageURLStringsGroup = imagesURLStrings;

    });

    

    // 清除缓存

//    [cycleScrollView2 clearCache];

    

}

#pragma mark - SDCycleScrollViewDelegate

- (void)cycleScrollView:(SDCycleScrollView *)cycleScrollViewdidSelectItemAtIndex:(NSInteger)index

{

    NSLog(@"---点击了第%ld张图片", index);

}

 

@end