用UIPagecontrol和UIScroller制作简易的相册(MRC状态下)

#import "AppDelegate.h"

#import "RootViewController.h"

@interface
AppDelegate ()

@end

@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary
*)launchOptions {

    self.window = [[UIWindowalloc]
initWithFrame:[[UIScreenmainScreen]
bounds]];

    // Override point for customization after application launch.

    self.window.backgroundColor = [UIColorwhiteColor];

    [self.windowmakeKeyAndVisible];

    

    RootViewController *rootVC = [[RootViewControlleralloc]
init];

    self.window.rootViewController = rootVC;
    [rootVCrelease];

    return
YES;
}

//

//  RootViewController.h

//  UI-Homework-7

//

//  Created by lanouhn on 15-8-5.

//  Copyright (c) 2015年
尹江涛-UIScrollView-UIPageController. All rights reserved.

//

#import <UIKit/UIKit.h>

#import "RootView.h"
@interface RootViewController :UIViewController

@property (nonatomic ,retain)RootView *rootView;

@end

//

//  RootViewController.m

//  UI-Homework-7

//

//  Created by lanouhn on 15-8-5.

//  Copyright (c) 2015年
尹江涛-UIScrollView-UIPageController. All rights reserved.

//

#import "RootViewController.h"

@interface
RootViewController ()<UIScrollViewDelegate>

@end

@implementation RootViewController
- (void)loadView
{
    [superloadView];

    

    self.rootView = [[RootViewalloc]
initWithFrame:[UIScreenmainScreen].bounds];

    
   self.view =self.rootView;

    
}
- (void)viewDidLoad {

    [superviewDidLoad];

    

    //添加点击事件

    //scrollView代理

    self.rootView.scrollView.delegate
= self;

    

    

    //pageControl

    [self.rootView.pageControladdTarget:selfaction:@selector(pageControlAction:)forControlEvents:UIControlEventValueChanged];

    

    //定时器

    [NSTimertimerWithTimeInterval:2target:selfselector:@selector(walk)userInfo:nilrepeats:YES];

    

    // Do any additional setup after loading the view.
}

#pragma mark - scrollView的代理事件
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView
{

    //获取偏移量
   CGPoint offSet = scrollView.contentOffset;

    

    //当前的点数的下标
   NSInteger index = offSet.x /self.rootView.frame.size.width;

    

    self.rootView.pageControl.currentPage
= index;

    
}

- (void)pageControlAction:(UIPageControl *)sender
{

    self.rootView.scrollView.contentOffset
= CGPointMake(sender.currentPage *sender.frame.size.width,0);

    
}
- (void)walk
{

    

    
}

- (void)didReceiveMemoryWarning {

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.
}
- (void)dealloc
{

    [_rootView
release];
    [superdealloc];
}

@end

//

//  RootView.h

//  UI-Homework-7

//

//  Created by lanouhn on 15-8-5.

//  Copyright (c) 2015年
尹江涛-UIScrollView-UIPageController. All rights reserved.

//

#import <UIKit/UIKit.h>

@interface RootView :UIView

@property (nonatomic ,retain)UIPageControl *pageControl;

@property (nonatomic ,retain)UIScrollView *scrollView;

@end

//

//  RootView.m

//  UI-Homework-7

//

//  Created by lanouhn on 15-8-5.

//  Copyright (c) 2015年
尹江涛-UIScrollView-UIPageController. All rights reserved.

//

#import "RootView.h"

@implementation RootView
- (instancetype)initWithFrame:(CGRect)frame
{
   self = [superinitWithFrame:frame];
   if (self) {
        [selfaddSubviews];
    }

    return
self;

    
}
- (void)addSubviews
{

    self.backgroundColor = [UIColorbrownColor];

    

    // scrollView

    self.scrollView = [[UIScrollViewalloc]
initWithFrame:self.frame];

    
   for (int i =0; i <
22; i++) {

        //
创建image
       UIImage *image = [UIImageimageNamed:[NSStringstringWithFormat:@"Zombie%d.tiff",i+1]];

        //
创建imageView
       UIImageView *imageView = [[UIImageViewalloc]
initWithFrame:CGRectMake(i *self.frame.size.width,0,
self.frame.size.width,self.frame.size.height)];

        //装载image
        imageView.image = image;

        
        [self.scrollViewaddSubview:imageView];

        
        [imageViewrelease];

        
    }

    

    self.scrollView.contentSize =CGSizeMake(self.frame.size.width
* 22,
self.frame.size.height);

    

    self.scrollView.pagingEnabled =YES;

    
    [selfaddSubview:self.scrollView];

    [self.scrollViewrelease];

    

    //pageControl
   self.pageControl = [[UIPageControlalloc]
initWithFrame:CGRectMake(0,self.frame.size.height-45,
self.frame.size.width,45)];

    

    self.pageControl.numberOfPages =22;

    

    self.pageControl.currentPageIndicatorTintColor = [UIColorredColor];

    self.pageControl.pageIndicatorTintColor = [UIColorblueColor];

    

    [selfaddSubview:self.pageControl];

    [self.pageControlrelease];
}

- (void)dealloc
{

    [_pageControl
release];

    [_scrollView
release];

    
    [superdealloc];
}

@end