https://www.jianshu.com/p/78ef7bc04655
iOS 语音播报
https://blog.csdn.net/JavaME_xie/article/details/80414583
# PushAudio
关于APP上语音播报的完整实现
相关文档请看：https://blog.csdn.net/JavaME_xie/article/details/80414583
/*
转发*********************************************************************************
- 🌟🌟🌟 新建SDCycleScrollView交流QQ群：185534916 🌟🌟🌟
- 在您使用此自动轮播库的过程中如果出现bug请及时以以下任意一种方式联系我们，我们会及时修复bug并
- 帮您解决问题。
- 新浪微博:GSD_iOS
- Email : gsdios@126.com
- GitHub: https://github.com/gsdios
- 另（自动布局库SDAutoLayout）：
- 一行代码搞定自动布局！支持Cell和Tableview高度自适应，Label和ScrollView内容自适应，致力于
- 做最简单易用的AutoLayout库。
- 视频教程：http://www.letv.com/ptv/vplay/24038772.html
- 用法示例：https://github.com/gsdios/SDAutoLayout/blob/master/README.md
- GitHub：https://github.com/gsdios/SDAutoLayout
*/
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
typedef void(^TapActionBlock)(NSInteger index);
@interface BannerView : UIView
/*
* images 图片数组
* tapBlock 点击事件
*/
+(void)showBannerWithFrame:(CGRect)frame images:(NSArray*)images superView:(UIView *)superView tapBlock:(TapActionBlock)tapBlock;
@end
NS_ASSUME_NONNULL_END
#import "BannerView.h"
@interface BannerView ()<UIScrollViewDelegate>
@property (strong, nonatomic) NSArray *images;
@property (strong, nonatomic) UIScrollView *scrollView;
@property (strong, nonatomic) UIPageControl *pageControl;
@property (copy, nonatomic) TapActionBlock tapBlock;
@end
@implementation BannerView
+(void)showBannerWithFrame:(CGRect)frame images:(nonnull NSArray *)images superView:(nonnull UIView *)superView tapBlock:(nonnull TapActionBlock)tapBlock{
BannerView *banner = [[BannerView alloc]initWithFrame:frame images:images];
banner.tapBlock = tapBlock;
[superView addSubview:banner];
}
-(instancetype)initWithFrame:(CGRect)frame images:(NSArray *)images{
self = [super initWithFrame:frame];
if (self) {
self.images = images;
[self addSubview:self.scrollView];
[self addSubview:self.pageControl];
[self setBannerView];
[self setTimer];
}
return self;
}
-(void)setTimer{
__weak typeof(self)weakSelf = self;
[NSTimer scheduledTimerWithTimeInterval:2 repeats:YES block:^(NSTimer * _Nonnull timer) {
CGFloat x = weakSelf.scrollView.contentOffset.x;
if (x>=weakSelf.scrollView.contentSize.width) {
[weakSelf.scrollView setContentOffset:CGPointMake(0, 0) animated:NO];
[weakSelf.scrollView setContentOffset:CGPointMake(CGRectGetWidth(weakSelf.frame), 0) animated:YES];
weakSelf.pageControl.currentPage = 0;
}else{
[weakSelf.scrollView setContentOffset:CGPointMake(x+CGRectGetWidth(weakSelf.frame), 0) animated:YES];
weakSelf.pageControl.currentPage = x/CGRectGetWidth(weakSelf.frame);
}
}];
}
-(void)setBannerView{
// 第一张
UIImageView *firstImg = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.frame), CGRectGetHeight(self.frame))];
firstImg.image = [UIImage imageNamed:self.images.lastObject];//最后一张图片
firstImg.contentMode = UIViewContentModeScaleAspectFill;
[self.scrollView addSubview:firstImg];
// 中间
for (NSInteger i=0; i<self.images.count; i++) {
UIImageView *imgView = [[UIImageView alloc]initWithFrame:CGRectMake((CGRectGetWidth(self.frame)*(i+1)), 0, CGRectGetWidth(self.frame), CGRectGetHeight(self.frame))];
imgView.image = [UIImage imageNamed:self.images[i]];//x中间图片
imgView.contentMode = UIViewContentModeScaleAspectFill;
imgView.userInteractionEnabled = YES;
imgView.tag = i;
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(tapAction:)];
[imgView addGestureRecognizer:tap];
[self.scrollView addSubview:imgView];
}
// 最后一张
UIImageView *lastImg = [[UIImageView alloc]initWithFrame:CGRectMake(CGRectGetWidth(self.frame)+1, 0, CGRectGetWidth(self.frame), CGRectGetHeight(self.frame))];
lastImg.image = [UIImage imageNamed:self.images.firstObject];//最后一张图片
lastImg.contentMode = UIViewContentModeScaleAspectFill;
[self.scrollView addSubview:lastImg];
self.scrollView.contentSize = CGSizeMake(CGRectGetWidth(self.frame)*self.images.count, CGRectGetHeight(self.frame));
self.scrollView.contentOffset = CGPointMake(CGRectGetWidth(self.frame), 0);
/// 图片总数
self.pageControl.numberOfPages = self.images.count;
self.pageControl.currentPage = 0;
}
-(void)tapAction:(UITapGestureRecognizer*)gester{
self.tapBlock(gester.view.tag);
}
-(UIScrollView *)scrollView{
if (!_scrollView) {
_scrollView = [[UIScrollView alloc]initWithFrame:self.bounds];
_scrollView.scrollEnabled = YES;
_scrollView.pagingEnabled = YES;
_scrollView.clipsToBounds = YES;
_scrollView.delegate = self;
_scrollView.contentSize = CGSizeMake(CGRectGetWidth(self.frame)*(2+self.images.count), CGRectGetHeight(self.frame));
}
return _scrollView;
}
-(UIPageControl *)pageControl{
if (!_pageControl) {
_pageControl = [[UIPageControl alloc]initWithFrame:CGRectMake(0, CGRectGetHeight(self.frame)-50, CGRectGetWidth(self.frame), 50)];
_pageControl.pageIndicatorTintColor = [UIColor lightGrayColor];
_pageControl.currentPageIndicatorTintColor = [UIColor yellowColor];
}
return _pageControl;
}
-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{
CGFloat offsetX = scrollView.contentOffset.x;
if (offsetX>=(self.images.count+1)*(CGRectGetWidth(self.frame))) {
scrollView.contentOffset = CGPointMake(CGRectGetWidth(self.frame), 0);
self.pageControl.currentPage = 0;
}else{
self.pageControl.currentPage = offsetX/CGRectGetWidth(self.frame)-1;
}
}
@end
