核心动画09-CATransition转场动画

 

//  ViewController.m
//  09-CATransition转场动画
#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *imageView;

@end

@implementation ViewController
static int i = 2;

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    
    // 转场代码
    if (i == 4) {
        i = 1;
    }
    // 加载图片名称
    NSString *imageN = [NSString stringWithFormat:@"%d",i];
    
    _imageView.image = [UIImage imageNamed:imageN];
    
    i++;
    
    // 转场动画
    CATransition *anim = [CATransition animation];
    
    anim.type = @"pageCurl";
    
    anim.duration = 2;
    
    [_imageView.layer addAnimation:anim forKey:nil];
    
}


- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

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

@end

 

10-动画组(了解)

//  ViewController.m
//  10-动画组(了解)
#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIView *redView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    // 同时缩放，平移，旋转
    CAAnimationGroup *group = [CAAnimationGroup animation];
    
    CABasicAnimation *scale = [CABasicAnimation animation];
    scale.keyPath = @"transform.scale";
    scale.toValue = @0.5;
    
    CABasicAnimation *rotation = [CABasicAnimation animation];
    rotation.keyPath = @"transform.rotation";
    rotation.toValue = @(arc4random_uniform(M_PI));
    
    CABasicAnimation *position = [CABasicAnimation animation];
    position.keyPath = @"position";
    position.toValue = [NSValue valueWithCGPoint:CGPointMake(arc4random_uniform(200), arc4random_uniform(200))];
    
    group.animations = @[scale,rotation,position];
    
    [_redView.layer addAnimation:group forKey:nil];
    
    
}

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

@end

 

11-UIView和核心动画区别

//
//  ViewController.m
//  10-UIView和核心动画区别
//
//  Created by xiaomage on 15/6/23.
//  Copyright (c) 2015年 xiaomage. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIView *redView;

@end

@implementation ViewController

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
//    CABasicAnimation *anim = [CABasicAnimation animation];
//    
//    anim.keyPath = @"position";
//    
//    anim.toValue = [NSValue valueWithCGPoint:CGPointMake(150, 400)];
//    
//    // 注意：取消反弹代码必须放在图层添加动画之前。
//    anim.removedOnCompletion = NO;
//    
//    anim.fillMode = kCAFillModeForwards;
//    
//    anim.delegate = self;
//    
//    [_redView.layer addAnimation:anim forKey:nil];
    
    [UIView animateWithDuration:0.25 animations:^{
        
        _redView.layer.position = CGPointMake(150, 400);
    }
                     completion:^(BOOL finished) {
            NSLog(@"%@", NSStringFromCGPoint(_redView.layer.position));
        }];
    
    
}

// 注意：核心动画一切都是假象，并不会真实的改变图层的属性值，如果以后做动画的时候，不需要与用户交互，通常用核心动画（转场）。

// UIView动画必须通过修改属性的真实值，才有动画效果。

// 动画完成的时候调用
- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag
{
    NSLog(@"%@", NSStringFromCGPoint(_redView.layer.position));
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
     NSLog(@"%@", NSStringFromCGPoint(_redView.layer.position));
}

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

@end