适用于iOS的幻灯片播放器。易于使用。支持手动或自动幻灯片播放,带有淡入淡出和滑动过渡效果。支持本地和远程图片。
此版本引入了许多破坏性变更。请一定要看看演示。
datasource
协议。datasource
和delegate
协议方法以提高一致性datasource
即可。只需将其复制到您的项目文件夹中
- (void)viewDidLoad
{
[super viewDidLoad];
_datasource = @[[UIImage imageNamed:@"test_1.jpg"],
[NSURL URLWithString:@"https://i.imgur.com/7jDvjyt.jpg"],
@"test_3.jpg"];
_slideshow = [[KASlideShow alloc] initWithFrame:CGRectMake(0,0,320,250)];
_slideshow.datasource = self;
_slideshow.delegate = self;
[_slideshow setDelay:3]; // Delay between transitions
[_slideshow setTransitionDuration:1]; // Transition duration
[_slideshow setTransitionType:KASlideShowTransitionFade]; // Choose a transition type
[_slideshow setImagesContentMode:UIViewContentModeScaleAspectFill]; // Choose a content mode for images to display
[_slideshow addGesture:KASlideShowGestureTap]; // Gesture to go previous/next directly on the image
}
#pragma mark - KASlideShow datasource
- (NSObject *)slideShow:(KASlideShow *)slideShow objectAtIndex:(NSUInteger)index
{
return _datasource[index];
}
- (NSUInteger)slideShowImagesNumber:(KASlideShow *)slideShow
{
return _datasource.count;
}
#pragma mark - KASlideShow delegate
- (void) slideShowWillShowNext:(KASlideShow *)slideShow
{
NSLog(@"slideShowWillShowNext, index : %@",@(slideShow.currentIndex));
}
您需要实现数据源以显示图片。KASlideShow可以处理UIImage
,NNString
(本地图片的名称)和NSURL
(远程图片的URL)。
- (NSObject *) slideShow:(KASlideShow *)slideShow objectAtIndex:(NSUInteger)index;
- (NSUInteger) slideShowImagesNumber:(KASlideShow *)slideShow;
[_slideshow next]; // Go to the next image
[_slideshow previous]; // Got to the previous image
[_slideshow start]; // Start automatic slideshow
[_slideshow stop]; // Stop automatic slideshow
- (void) slideShowDidShowNext:(KASlideShow *) slideShow;
- (void) slideShowDidShowPrevious:(KASlideShow *) slideShow;
- (void) slideShowWillShowNext:(KASlideShow *) slideShow;
- (void) slideShowWillShowPrevious:(KASlideShow *) slideShow;
- (void) slideShowDidSwipeLeft:(KASlideShow *) slideShow;
- (void) slideShowDidSwipeRight:(KASlideShow *) slideShow;
您可以设置三种可用的过渡效果类型,通过调用setTransitionType
。
KASlideShowTransitionFade
KASlideShowTransitionSlideHorizontal
KASlideShowTransitionSlideVertical
您还可以通过调用setTransitionDuration
指定过渡时间。
有两种类型的手势可供通过addGesture
方法与幻灯片播放器交互。您可以同时添加它们。
KASlideShowTransitionFade
KASlideShowTransitionSlideHorizontal
KASlideShowTransitionSlideVertical