IOS 转场动画 -CATransition

//
// ViewController.m
// 转场动画-CATransition
//
// Created by dc008 on 15/12/22.
// Copyright © 2015年 崔晓宇. All rights reserved.
//

#import "ViewController.h"
#define IMAGE_COUNT 10//图片数量
@interface ViewController ()
{
UIImageView *_imageView;
int _current;
}
@end

@implementation ViewController

- (void)viewDidLoad {
[super viewDidLoad];

_imageView = [[UIImageView alloc]initWithFrame:[[UIScreen mainScreen]bounds]];
_imageView.contentMode = UIViewContentModeScaleAspectFill;
_imageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"%d.jpg",_current]];
[self.view addSubview:_imageView];

//添加手势
UISwipeGestureRecognizer *leftSwipeGesure = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(leftSwipe:)];
leftSwipeGesure.direction = UISwipeGestureRecognizerDirectionLeft;//设置手势方向
[self.view addGestureRecognizer:leftSwipeGesure];

UISwipeGestureRecognizer *rightSwipeGesure = [[UISwipeGestureRecognizer alloc]initWithTarget:self action:@selector(rightSwipe:)];
rightSwipeGesure.direction = UISwipeGestureRecognizerDirectionRight;
[self.view addGestureRecognizer:rightSwipeGesure];
}

- (void)rightSwipe : (UISwipeGestureRecognizer *)gesture{
NSLog(@"向右滑动");
[self transitionAnimation:YES];//YES表示下一张图片
}

- (void)leftSwipe : (UISwipeGestureRecognizer *)gesture{
NSLog(@"向左滑动");
[self transitionAnimation:NO];//NO表示上一张图片
}

#pragma mark 转场动画
- (void)transitionAnimation : (BOOL) isNext {
//1.创建动画对象
CATransition *transition = [[CATransition alloc]init];
//2.设置动画类型,对于苹果官方没有公开的动画类型只能使用字符串
//cube 立方体翻转效果
//oglFlip 翻转效果
//suckEffect 收缩效果
//rippleEffect 水滴波纹效果
//pageCurl 向上翻页效果
//pageUnCurl 向下翻页效果
//cameralIrisHollowOpen 摄像头打开效果
//cameralIrisHollowClose 摄像头关闭效果

transition.type = @"cube";
//设置子类型(转场动画从什么方向)
if (isNext) {
transition.subtype = kCATransitionFromRight;
}
else{
transition.subtype = kCATransitionFromLeft;
}
//设置动画时间
transition.duration = 1.0;

//设置转场后的新视图
if (isNext) {
//下一张图片
_current = (_current + 1) % IMAGE_COUNT;
}
else{
//上一张图片
_current = (_current - 1 + IMAGE_COUNT) % IMAGE_COUNT;
}
_imageView.image = [UIImage imageNamed:[NSString stringWithFormat:@"%d.jpg",_current]];
//添加动画
[_imageView.layer addAnimation:transition forKey:@"CXY"];
}

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

@end