coreAnimation核心动画(三)CATansition

 1 //
 2 //  ViewController.m
 3 //  CATransition
 4 //
 5 //  Created by ys on 15/11/22.
 6 //  Copyright (c) 2015年 ys. All rights reserved.
 7 //
 8
 9 #import "ViewController.h"
10
11 @interface ViewController ()
12 @property (weak, nonatomic) IBOutlet UIImageView *imageView;
13 - (IBAction)nextClick;
14 - (IBAction)previousClick;
15 @property(nonatomic,assign)int index;
16 @end
17
18 @implementation ViewController
19
20 - (void)viewDidLoad {
21     [super viewDidLoad];
22 }
23
24
25 - (IBAction)nextClick {
26     self.index++;
27     if (self.index == 9) {
28         self.index = 0;
29     }
30     NSString *imageName = [NSString stringWithFormat:@"%d.jpg",self.index+1];
31     self.imageView.image = [UIImage imageNamed:imageName];
32
33     CATransition *anim = [CATransition animation];
34     anim.type = @"pageCurl";
35     anim.duration = 0.5;
36     [self.imageView.layer addAnimation:anim forKey:nil];
37 }
38
39 - (IBAction)previousClick {
40     self.index++;
41     if (self.index == 0) {
42         self.index = 8;
43     }
44     NSString *imageName = [NSString stringWithFormat:@"%d.jpg",self.index+1];
45     self.imageView.image = [UIImage imageNamed:imageName];
46
47     CATransition *anim = [CATransition animation];
48     anim.type = @"pageUnCurl";
49     anim.duration = 0.5;
50     [self.imageView.layer addAnimation:anim forKey:nil];
51 }
52 @end