UI进阶--隐式动画

1  [CATransaction begin];
2  [CATransaction setDisableActions:YES];
3  //设置隐式动画动画时间
4   self.myview.layer.position = CGPointMake(10, 10);
5  [CATransaction commit];
6  

 1 //
 2 //  ViewController.m
 3 //  ImplicitAnimation
 4 //
 5 //  Created by xiaomoge on 15-1-5.
 6 //  Copyright (c) 2015年 xiaomoge. All rights reserved.
 7 //
 8 
 9 #import "ViewController.h"
10 
11 @interface ViewController ()
12 @property (weak, nonatomic) IBOutlet UIImageView *imageView;
13 @property (weak, nonatomic) CALayer *layer;//非根层
14 
15 @end
16 
17 @implementation ViewController
18 
19 - (void)viewDidLoad {
20     [super viewDidLoad];
21     //创建一个 非根层
22     CALayer *layer = [CALayer layer];
23     //设置内容
24     layer.contents = (id)[UIImage imageNamed:@"papa"].CGImage;
25     //设置大小
26     layer.bounds = CGRectMake(0, 0, 100, 100);
27     
28     //设置位置
29     layer.position = CGPointMake(150, 250);
30     
31     //设置锚点
32     layer.anchorPoint = CGPointMake(0.5, 0.5);
33     
34     [self.view.layer addSublayer:layer];
35 
36     self.layer = layer;
37 }
38 
39 -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
40     //隐藏动画
41     
42     //self.imageView.layer 它是根层
43     //根层改变属性是没有动画，只有非根层改变属性就有默认的动画
44     //设置根层的大小
45     self.imageView.layer.bounds = CGRectMake(0, 0, 150, 150);
46     
47     //设置非根层的大小
48     //想默认动画时间设置长一点
49     
50     [CATransaction begin];
51     [CATransaction setDisableActions:YES];//关闭隐藏动画
52     [CATransaction setAnimationDuration:5];
53     
54     //transform旋转的动画效果
55     //self.layer.bounds = CGRectMake(0, 0, 150, 150);
56     self.layer.transform = CATransform3DMakeRotation(M_PI_4, 1, 1, 1);
57     
58     [CATransaction commit]; 
59 }
60 @end