UIScrollerView和UIPageView联合使用

ViewController.h

#import <UIKit/UIKit.h>

@interface FourthViewController : UIViewController<UIScrollViewDelegate>
{
    CGFloat screenWidth;
    NSArray *AdImgArray;
    int TimeNum;
    BOOL Tend;
}

@property (strong, nonatomic) IBOutlet UIScrollView *AdScrollView;
@property (strong, nonatomic) IBOutlet UIPageControl *AdPageControl;
- (IBAction)PageControlValueChange:(id)sender;

@end
ViewController.m

#import "FourthViewController.h"

@interface FourthViewController ()

@end

@implementation FourthViewController
@synthesize AdPageControl;
@synthesize AdScrollView;

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
    screenWidth = self.view.frame.size.width;

    AdScrollView.scrollEnabled = YES;
    AdScrollView.pagingEnabled = YES;
    AdScrollView.showsHorizontalScrollIndicator = NO;
    AdScrollView.showsVerticalScrollIndicator = NO;
    AdScrollView.delegate = self;

    [NSTimer scheduledTimerWithTimeInterval:1 target: self selector: @selector(handleTimer:) userInfo:nil repeats: YES];
    AdImgArray = [[NSArray alloc]initWithObjects:
         @"/2013/0422/20130422082319186.png",
         @"/2013/0422/20130422082319311.png",
         @"http://www.baidu.com/img/baidu_sylogo1.gif",nil];
    [self AdImg:AdImgArray];

    [self setCurrentPage:AdPageControl.currentPage];
}

- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}

#pragma mark - 5秒换图片
- (void) handleTimer: (NSTimer *) timer
{
    if (TimeNum % 5 == 0)
    {

        if (!Tend)
        {
            AdPageControl.currentPage ++;

            if (AdPageControl.currentPage == AdPageControl.numberOfPages - 1)
                Tend = YES;
        }

        else
        {
            AdPageControl.currentPage --;

            if (AdPageControl.currentPage == 0)
                Tend = NO;
        }

        [UIView animateWithDuration:0.7 //速度0.7秒
                         animations:^{//修改坐标
                             AdScrollView.contentOffset = CGPointMake(AdPageControl.currentPage * screenWidth, 0);
                         }];
    }

    TimeNum ++;
}
#pragma mark - 下载图片
void UIImageFromURL( NSURL * URL, void (^imageBlock)(UIImage * image), void (^errorBlock)(void) )
{
    dispatch_async( dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0 ), ^(void)
                   {
                       NSData * data = [[NSData alloc] initWithContentsOfURL:URL] ;
                       UIImage * image = [[UIImage alloc] initWithData:data];
                       dispatch_async( dispatch_get_main_queue(), ^(void){
                           if( image != nil )
                           {
                               imageBlock( image );
                           } else {
                               errorBlock();
                           }
                       });
                   });
}

- (void)AdImg:(NSArray*)arr
{
    [AdScrollView setContentSize:CGSizeMake(screenWidth * [arr count], AdScrollView.frame.size.height)];
    AdPageControl.numberOfPages=[arr count];

    for ( int i=0; i<[arr count]; i++) {
        NSString *url=[arr objectAtIndex:i];
        UIButton *img=[[UIButton alloc]initWithFrame:CGRectMake(screenWidth * i, 0, screenWidth, AdScrollView.frame.size.height)];
        [img addTarget:self action:@selector(Action) forControlEvents:UIControlEventTouchUpInside];
        [AdScrollView addSubview:img];
        UIImageFromURL( [NSURL URLWithString:url], ^( UIImage * image )
                       {
         &

补充：综合编程 , 其他综合 ,