ScrollviewView自动滚动广告栏
//model
#import <Foundation/Foundation.h>
@interface AdDataModel : NSObject
@property (retain,nonatomic,readonly) NSArray * imageNameArray;
@property (retain,nonatomic,readonly) NSArray * adTitleArray;
- (instancetype)initWithImageName;
- (instancetype)initWithImageNameAndAdTitleArray;
+ (id)adDataModelWithImageName;
+ (id)adDataModelWithImageNameAndAdTitleArray;
@end
#import "AdDataModel.h"
#define PLISTFILENAME @"AdDataPlist.plist"
#define PATH [[NSBundle mainBundle]pathForResource:PLISTFILENAME ofType:nil]
@implementation AdDataModel
- (instancetype)initWithImageName
{
self = [super init];
if (self)
{
// _imageNameArray = [NSArray arrayWithContentsOfFile:PATH][0];
_imageNameArray = [NSArray arrayWithObjects:@"weather.png",@"videoeditor.png", @"notes.png",@"monitor.png",@"mms.png",nil];
}
return self;
}
- (instancetype)initWithImageNameAndAdTitleArray
{
_adTitleArray = [NSArray arrayWithContentsOfFile:PATH][1];
return [self initWithImageName];
}
+ (id)adDataModelWithImageName
{
return [[self alloc]initWithImageName];
}
+ (id)adDataModelWithImageNameAndAdTitleArray
{
return [[self alloc]initWithImageNameAndAdTitleArray];
}
@end
//视图
#import <UIKit/UIKit.h>
typedef NS_ENUM(NSUInteger, UIPageControlShowStyle)
{
UIPageControlShowStyleNone,//default
UIPageControlShowStyleLeft,
UIPageControlShowStyleCenter,
UIPageControlShowStyleRight,
};
typedef NS_ENUM(NSUInteger, AdTitleShowStyle)
{
AdTitleShowStyleNone,
AdTitleShowStyleLeft,
AdTitleShowStyleCenter,
AdTitleShowStyleRight,
};
@interface AdScrollView : UIScrollView<UIScrollViewDelegate>
@property (retain,nonatomic,readonly) UIPageControl * pageControl;
@property (retain,nonatomic,readwrite) NSArray * imageNameArray;
@property (retain,nonatomic,readonly) NSArray * adTitleArray;
@property (assign,nonatomic,readwrite) UIPageControlShowStyle PageControlShowStyle;
@property (assign,nonatomic,readonly) AdTitleShowStyle adTitleStyle;
- (void)setAdTitleArray:(NSArray *)adTitleArray withShowStyle:(AdTitleShowStyle)adTitleStyle;
@end
#import "AdScrollView.h"
#define UISCREENWIDTH self.bounds.size.width//广告的宽度
#define UISCREENHEIGHT self.bounds.size.height//广告的高度
#define HIGHT self.bounds.origin.y //由于_pageControl是添加进父视图的,所以实际位置要参考,滚动视图的y坐标
static CGFloat const chageImageTime = 3.0;
static NSUInteger currentImage = 1;//记录中间图片的下标,开始总是为1
@interface AdScrollView ()
{
//广告的label
UILabel * _adLabel;
//循环滚动的三个视图
UIImageView * _leftImageView;
UIImageView * _centerImageView;
UIImageView * _rightImageView;
//循环滚动的周期时间
NSTimer * _moveTime;
//用于确定滚动式由人导致的还是计时器到了,系统帮我们滚动的,YES,则为系统滚动,NO则为客户滚动(ps.在客户端中客户滚动一个广告后,这个广告的计时器要归0并重新计时)
BOOL _isTimeUp;
//为每一个图片添加一个广告语(可选)
UILabel * _leftAdLabel;
UILabel * _centerAdLabel;
UILabel * _rightAdLabel;
}
@property (retain,nonatomic,readonly) UIImageView * leftImageView;
@property (retain,nonatomic,readonly) UIImageView * centerImageView;
@property (retain,nonatomic,readonly) UIImageView * rightImageView;
@end
@implementation AdScrollView
#pragma mark - 自由指定广告所占的frame
- (instancetype)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
self.bounces = NO;
self.showsHorizontalScrollIndicator = NO;
self.showsVerticalScrollIndicator = NO;
self.pagingEnabled = YES;
self.contentOffset = CGPointMake(UISCREENWIDTH, 0);
self.contentSize = CGSizeMake(UISCREENWIDTH * 3, UISCREENHEIGHT);
self.backgroundColor = [UIColor whiteColor];
self.delegate = self;
_leftImageView = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, UISCREENWIDTH, UISCREENHEIGHT)];
[self addSubview:_leftImageView];
_centerImageView = [[UIImageView alloc]initWithFrame:CGRectMake(UISCREENWIDTH, 0, UISCREENWIDTH, UISCREENHEIGHT)];
[self addSubview:_centerImageView];
_rightImageView = [[UIImageView alloc]initWithFrame:CGRectMake(UISCREENWIDTH*2, 0, UISCREENWIDTH, UISCREENHEIGHT)];
[self addSubview:_rightImageView];
_moveTime = [NSTimer scheduledTimerWithTimeInterval:chageImageTime target:self selector:@selector(animalMoveImage) userInfo:nil repeats:YES];
_isTimeUp = NO;
}
return self;
}
#pragma mark - 设置广告所使用的图片(名字)
- (void)setImageNameArray:(NSArray *)imageNameArray
{
_imageNameArray = imageNameArray;
// _leftImageView.image = [UIImage imageNamed:_imageNameArray[0]];
_leftImageView.image = [UIImage imageNamed:@"weather.png"];
// _centerImageView.image = [UIImage imageNamed:_imageNameArray[1]];
_centerImageView.image = [UIImage imageNamed:@"videoeditor.png"];
// _rightImageView.image = [UIImage imageNamed:_imageNameArray[2]];
_rightImageView.image = [UIImage imageNamed:@"notes.png"];
}
#pragma mark - 设置每个对应广告对应的广告语
- (void)setAdTitleArray:(NSArray *)adTitleArray withShowStyle:(AdTitleShowStyle)adTitleStyle
{
_adTitleArray = adTitleArray;
if(adTitleStyle == AdTitleShowStyleNone)
{
return;
}
_leftAdLabel = [[UILabel alloc]init];
_centerAdLabel = [[UILabel alloc]init];
_rightAdLabel = [[UILabel alloc]init];
_leftAdLabel.frame = CGRectMake(10, UISCREENHEIGHT - 40, UISCREENWIDTH, 20);
[_leftImageView addSubview:_leftAdLabel];
_centerAdLabel.frame = CGRectMake(10, UISCREENHEIGHT - 40, UISCREENWIDTH, 20);
[_centerImageView addSubview:_centerAdLabel];
_rightAdLabel.frame = CGRectMake(10, UISCREENHEIGHT - 40, UISCREENWIDTH, 20);
[_rightImageView addSubview:_rightAdLabel];
if (adTitleStyle == AdTitleShowStyleLeft) {
_leftAdLabel.textAlignment = NSTextAlignmentLeft;
_centerAdLabel.textAlignment = NSTextAlignmentLeft;
_rightAdLabel.textAlignment = NSTextAlignmentLeft;
}
else if (adTitleStyle == AdTitleShowStyleCenter)
{
_leftAdLabel.textAlignment = NSTextAlignmentCenter;
_centerAdLabel.textAlignment = NSTextAlignmentCenter;
_rightAdLabel.textAlignment = NSTextAlignmentCenter;
}
else
{
_leftAdLabel.textAlignment = NSTextAlignmentRight;
_centerAdLabel.textAlignment = NSTextAlignmentRight;
_rightAdLabel.textAlignment = NSTextAlignmentRight;
}
_leftAdLabel.text = _adTitleArray[0];
_centerAdLabel.text = _adTitleArray[1];
_rightAdLabel.text = _adTitleArray[2];
}
#pragma mark - 创建pageControl,指定其显示样式
- (void)setPageControlShowStyle:(UIPageControlShowStyle)PageControlShowStyle
{
if (PageControlShowStyle == UIPageControlShowStyleNone) {
return;
}
_pageControl = [[UIPageControl alloc]init];
_pageControl.numberOfPages = _imageNameArray.count;
if (PageControlShowStyle == UIPageControlShowStyleLeft)
{
_pageControl.frame = CGRectMake(10, HIGHT+UISCREENHEIGHT - 20, 20*_pageControl.numberOfPages, 20);
}
else if (PageControlShowStyle == UIPageControlShowStyleCenter)
{
_pageControl.frame = CGRectMake(0, 0, 20*_pageControl.numberOfPages, 20);
_pageControl.center = CGPointMake(UISCREENWIDTH/2.0, HIGHT+UISCREENHEIGHT - 10);
}
else
{
_pageControl.frame = CGRectMake( UISCREENWIDTH - 20*_pageControl.numberOfPages, HIGHT+UISCREENHEIGHT - 20, 20*_pageControl.numberOfPages, 20);
}
_pageControl.currentPage = 0;
_pageControl.enabled = NO;
[self performSelector:@selector(addPageControl) withObject:nil afterDelay:0.1f];
}
//由于PageControl这个空间必须要添加在滚动视图的父视图上(添加在滚动视图上的话会随着图片滚动,而达不到效果)
- (void)addPageControl
{
[[self superview] addSubview:_pageControl];
}
#pragma mark - 计时器到时,系统滚动图片
- (void)animalMoveImage
{
[self setContentOffset:CGPointMake(UISCREENWIDTH * 2, 0) animated:YES];
_isTimeUp = YES;
[NSTimer scheduledTimerWithTimeInterval:0.4f target:self selector:@selector(scrollViewDidEndDecelerating:) userInfo:nil repeats:NO];
}
#pragma mark - 图片停止时,调用该函数使得滚动视图复用
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{
if (self.contentOffset.x == 0)
{
currentImage = (currentImage-1)%_imageNameArray.count;
_pageControl.currentPage = (_pageControl.currentPage - 1)%_imageNameArray.count;
}
else if(self.contentOffset.x == UISCREENWIDTH * 2)
{
currentImage = (currentImage+1)%_imageNameArray.count;
_pageControl.currentPage = (_pageControl.currentPage + 1)%_imageNameArray.count;
}
else
{
return;
}
_leftImageView.image = [UIImage imageNamed:_imageNameArray[(currentImage-1)%_imageNameArray.count]];
_leftAdLabel.text = _adTitleArray[(currentImage-1)%_imageNameArray.count];
_centerImageView.image = [UIImage imageNamed:_imageNameArray[currentImage%_imageNameArray.count]];
_centerAdLabel.text = _adTitleArray[currentImage%_imageNameArray.count];
_rightImageView.image = [UIImage imageNamed:_imageNameArray[(currentImage+1)%_imageNameArray.count]];
_rightAdLabel.text = _adTitleArray[(currentImage+1)%_imageNameArray.count];
self.contentOffset = CGPointMake(UISCREENWIDTH, 0);
//手动控制图片滚动应该取消那个三秒的计时器
if (!_isTimeUp) {
[_moveTime setFireDate:[NSDate dateWithTimeIntervalSinceNow:chageImageTime]];
}
_isTimeUp = NO;
}
@end