SDCycleScrollView 有好幾種初始化的樣式,在此列舉一些平常日用的樣式
1.初始化一些基本屬性
UIScrollView *demoContainerView = [[UIScrollView alloc] initWithFrame:self.view.frame];
demoContainerView.contentSize = CGSizeMake(self.view.frame.size.width, 1200);
[self.view addSubview:demoContainerView];
self.title = @"輪播Demo";
// 情景一:采用本地圖片實(shí)現(xiàn)
NSArray *imageNames = @[@"h1.jpg",
@"h2.jpg",
@"h3.jpg",
@"h4.jpg",
@"h7" // 本地圖片請(qǐng)?zhí)顚懭? ];
// 情景二:采用網(wǎng)絡(luò)圖片實(shí)現(xiàn)
NSArray *imagesURLStrings = @[
@"https://ss2.baidu.com/-vo3dSag_xI4khGko9WTAnF6hhy/super/whfpf%3D425%2C260%2C50/sign=a4b3d7085dee3d6d2293d48b252b5910/0e2442a7d933c89524cd5cd4d51373f0830200ea.jpg",
@"https://ss0.baidu.com/-Po3dSag_xI4khGko9WTAnF6hhy/super/whfpf%3D425%2C260%2C50/sign=a41eb338dd33c895a62bcb3bb72e47c2/5fdf8db1cb134954a2192ccb524e9258d1094a1e.jpg",
@"http://c.hiphotos.baidu.com/image/w%3D400/sign=c2318ff84334970a4773112fa5c8d1c0/b7fd5266d0160924c1fae5ccd60735fae7cd340d.jpg"
];
// 情景三:圖片配文字
NSArray *titles = @[@"新建交流QQ群:185534916 ",
@"感謝您的支持,如果下載的",
@"如果代碼在使用過(guò)程中出現(xiàn)問(wèn)題",
@"您可以發(fā)郵件到gsdios@126.com"
];
CGFloat w = self.view.bounds.size.width;
2.初始化輪播控件的方法
1.本地加載
// 本地加載 --- 創(chuàng)建不帶標(biāo)題的圖片輪播器
SDCycleScrollView *cycleScrollView = [SDCycleScrollView cycleScrollViewWithFrame:CGRectMake(0, 64, w, 180) shouldInfiniteLoop:YES imageNamesGroup:imageNames];
cycleScrollView.delegate = self;
cycleScrollView.pageControlStyle = SDCycleScrollViewPageContolStyleAnimated;
[demoContainerView addSubview:cycleScrollView];
cycleScrollView.scrollDirection = UICollectionViewScrollDirectionVertical;
2.網(wǎng)絡(luò)加載 --- 創(chuàng)建帶標(biāo)題的圖片輪播器
SDCycleScrollView *cycleScrollView2 = [SDCycleScrollView cycleScrollViewWithFrame:CGRectMake(0, 280, w, 180) delegate:self placeholderImage:[UIImage imageNamed:@"placeholder"]];
cycleScrollView2.pageControlAliment = SDCycleScrollViewPageContolAlimentRight;
cycleScrollView2.titlesGroup = titles;
cycleScrollView2.currentPageDotColor = [UIColor whiteColor]; // 自定義分頁(yè)控件小圓標(biāo)顏色
[demoContainerView addSubview:cycleScrollView2];
// --- 模擬加載延遲
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
cycleScrollView2.imageURLStringsGroup = imagesURLStrings;
});
3.網(wǎng)絡(luò)加載 --- 創(chuàng)建自定義圖片的pageControlDot的圖片輪播器
// 網(wǎng)絡(luò)加載 --- 創(chuàng)建自定義圖片的pageControlDot的圖片輪播器
SDCycleScrollView *cycleScrollView3 = [SDCycleScrollView cycleScrollViewWithFrame:CGRectMake(0, 500, w, 180) delegate:self placeholderImage:[UIImage imageNamed:@"placeholder"]];
cycleScrollView3.currentPageDotImage = [UIImage imageNamed:@"pageControlCurrentDot"];
cycleScrollView3.pageDotImage = [UIImage imageNamed:@"pageControlDot"];
cycleScrollView3.imageURLStringsGroup = imagesURLStrings;
[demoContainerView addSubview:cycleScrollView3];
4.創(chuàng)建只上下滾動(dòng)展示文字的輪播器
// 網(wǎng)絡(luò)加載 --- 創(chuàng)建只上下滾動(dòng)展示文字的輪播器
// 由于模擬器的渲染問(wèn)題,如果發(fā)現(xiàn)輪播時(shí)有一條線不必處理,模擬器放大到100%或者真機(jī)調(diào)試是不會(huì)出現(xiàn)那條線的
SDCycleScrollView *cycleScrollView4 = [SDCycleScrollView cycleScrollViewWithFrame:CGRectMake(0, 750, w, 40) delegate:self placeholderImage:[UIImage imageNamed:@"h1.jpg"]];
cycleScrollView4.scrollDirection = UICollectionViewScrollDirectionVertical;
cycleScrollView4.onlyDisplayText = YES;
NSMutableArray *titlesArray = [NSMutableArray new];
[titlesArray addObject:@"純文字上下滾動(dòng)輪播"];
[titlesArray addObject:@"純文字上下滾動(dòng)輪播 -- demo輪播圖4"];
[titlesArray addObjectsFromArray:titles];
cycleScrollView4.titlesGroup = [titlesArray copy];
[demoContainerView addSubview:cycleScrollView4];
3.接下來(lái)就是點(diǎn)擊的delegate方法了
- (void)cycleScrollView:(SDCycleScrollView *)cycleScrollView didSelectItemAtIndex:(NSInteger)index
{
NSLog(@"---點(diǎn)擊了第%ld張圖片", (long)index);
if (cycleScrollView.tag ==1) {
NSLog(@"cycleScrollView.tag =1");
}else{
NSLog(@"cycleScrollView.tag =2**3");
}
ActionRabiosModel *model = actIDs[index];
ActionDetailViewController *vc = [[ActionDetailViewController alloc]initWithNibName:@"ActionDetailViewController" bundle:MAINBUNDLE];
vc.actionId = [model.act_id intValue];
vc.hidesBottomBarWhenPushed = YES;
[self.navigationController pushViewController:vc animated:YES];
}
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