iOS之按钮出现时加一个动画效果 

 1 //按钮出现时的动画效果
 2 
 3 + (void)buttonAnimation:(UIButton *)sender {
 4 
 5     CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"transform"];
 6 
 7     
 8 
 9     CATransform3D scale1 = CATransform3DMakeScale(0.5, 0.5, 1);
10 
11     CATransform3D scale2 = CATransform3DMakeScale(1.2, 1.2, 1);
12 
13     CATransform3D scale3 = CATransform3DMakeScale(0.9, 0.9, 1);
14 
15     CATransform3D scale4 = CATransform3DMakeScale(1.0, 1.0, 1);
16 
17     
18 
19     NSArray *frameValues = [NSArray arrayWithObjects:
20 
21                             [NSValue valueWithCATransform3D:scale1],
22 
23                             [NSValue valueWithCATransform3D:scale2],
24 
25                             [NSValue valueWithCATransform3D:scale3],
26 
27                             [NSValue valueWithCATransform3D:scale4],
28 
29                             nil];
30 
31     [animation setValues:frameValues];
32 
33     
34 
35     NSArray *frameTimes = [NSArray arrayWithObjects:
36 
37                            [NSNumber numberWithFloat:0.0],
38 
39                            [NSNumber numberWithFloat:0.5],
40 
41                            [NSNumber numberWithFloat:0.9],
42 
43                            [NSNumber numberWithFloat:1.0],
44 
45                            nil];
46 
47     [animation setKeyTimes:frameTimes];
48 
49     
50 
51     animation.fillMode = kCAFillModeForwards;
52 
53     animation.duration = 0.3f;
54 
55     
56 
57     [sender.layer addAnimation:animation forKey:@"DSPopUpAnimation"];
58 
59 }
60 
61

 

posted @ 2016-11-18 11:28  Jaycee麦子  阅读(3252)  评论(0)    收藏  举报