#import <UIKit/UIKit.h>

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;

@end

#import "AppDelegate.h"

#import "RootViewController.h"

@interface AppDelegate ()

@end

@implementation AppDelegate

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

    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    // Override point for customization after application launch.

    self.window.backgroundColor = [UIColor whiteColor];

    self.window.rootViewController = [[RootViewController alloc] init];

    [self.window makeKeyAndVisible];

    return YES;

}

@end

#import <UIKit/UIKit.h>

@interface RootViewController : UIViewController

@end

#import "RootViewController.h"

#define ImageCount 5

@interface RootViewController ()

{

    UIImageView *_imageView;

    int currentIndex;

}

@end

@implementation RootViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // 定义图片控件

    _imageView = [[UIImageView alloc] init];

    _imageView.frame = [UIScreen mainScreen].bounds;

    _imageView.contentMode = UIViewContentModeScaleAspectFit;

    _imageView.image = [UIImage imageNamed:@"0.jpg"];

    _imageView.userInteractionEnabled = YES;

    [self.view addSubview:_imageView];

    // 添加手势

    UISwipeGestureRecognizer *leftSwipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(leftSwipeAction:)];

    leftSwipe.direction = UISwipeGestureRecognizerDirectionLeft;

    [_imageView addGestureRecognizer:leftSwipe];

    UISwipeGestureRecognizer *rightSwipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(rightSwipeAction:)];

    rightSwipe.direction = UISwipeGestureRecognizerDirectionRight;

    [_imageView addGestureRecognizer:rightSwipe];

}

#pragma mark －－向左滑动浏览下一张图片－－

- (void)leftSwipeAction:(UISwipeGestureRecognizer *)sender{

    [self transitionAnimation:YES];

}

#pragma mark －－向右滑动浏览上一张图片－－

- (void)rightSwipeAction:(UISwipeGestureRecognizer *)sender{

    [self transitionAnimation:NO];

}

#pragma mark －－旋转动画－－

- (void)transitionAnimation:(BOOL)isLeft{

    //创建转场动画对象

    CATransition *transition = [[CATransition alloc] init];

    //设置动画类型,注意对于苹果官方没公开的动画类型只能使用字符串，并没有对应的常量定义

    transition.type = @"cube";

    //设置子类型

    if (isLeft) {

        transition.subtype = kCATransitionFromRight;

    }else{

        transition.subtype = kCATransitionFromLeft;

    }

    //设置动画时常

    transition.duration = 0.8;

    //设置转场后的新视图添加转场动画

    _imageView.image = [self getImageByIndex:isLeft];

    [_imageView.layer addAnimation:transition forKey:@"KCTransitionAnimation"];

}

#pragma mark －－获取相应的图片－－

- (UIImage *)getImageByIndex:(BOOL)isLeft{

    if (isLeft) {

        currentIndex = (currentIndex + ) % ImageCount;

    }else{

        currentIndex = (currentIndex -  + ImageCount) % ImageCount;

    }

    NSString *imageName = [NSString stringWithFormat:@"%i.jpg",currentIndex];

    return [UIImage imageNamed:imageName];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end