View的放大->旋转->还原动画

以UIButton为例,创建一个类，继承于UIButton

/*页面的创建用storyboard*/　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

.h文件 　　

@interface PTSRecommendButton : UIButton

- (void)viewTransform;

@end

.m文件

@implementation PTSRecommendButton

- (void)viewTransform {

//

[self.layer setAnchorPoint:CGPointMake(1, 0.5)];

CGRect btnFrame = self.frame;

//设置中心点  AnchorPoint默认是0.5

btnFrame.origin.x += btnFrame.size.width / 2 ;

self.frame = btnFrame;

//放大

[UIView transitionWithView:self duration:0.5 options:UIViewAnimationOptionAllowUserInteraction animations:^{

　　　//因为是button在动画之行的过程点击如果没有页面跳转的操作。要设置不能狗被点击 否则会引起动画方法的覆盖

//self.userInteractionEnabled = NO;

self.transform = CGAffineTransformMakeScale(1.2, 1.2);

} completion:^(BOOL finished) {

//还原中心点

[self.layer setAnchorPoint:CGPointMake(0.5, 0.5)];

CGRect btnFrame = self.frame;

btnFrame.origin.x -= btnFrame.size.width / 2 ;

self.frame = btnFrame;

//旋转

[UIView transitionWithView:self duration:0.25 options:UIViewAnimationOptionAllowUserInteraction animations:^{

//

self.transform = CGAffineTransformRotate(self.transform, M_PI*0.05);

} completion:^(BOOL finished) {

//反向旋转

[UIView transitionWithView:self duration:0.5 options:UIViewAnimationOptionAllowUserInteraction animations:^{

self.transform = CGAffineTransformRotate(self.transform, -M_PI*0.1);

} completion:^(BOOL finished) {

//回到最初旋转状态

[UIView transitionWithView:self duration:0.25 options:UIViewAnimationOptionAllowUserInteraction animations:^{

self.transform = CGAffineTransformRotate(self.transform, M_PI*0.05);

} completion:^(BOOL finished) {

//中心点还原

[self.layer setAnchorPoint:CGPointMake(1, 0.5)];

CGRect btnFrame = self.frame;

btnFrame.origin.x += btnFrame.size.width / 2 ;

self.frame = btnFrame;

//恢复初始的状态

[UIView transitionWithView:self duration:0.5 options:UIViewAnimationOptionAllowUserInteraction animations:^{

self.transform = CGAffineTransformIdentity;

} completion:^(BOOL finished) {

[self.layer setAnchorPoint:CGPointMake(.5, 0.5)];

CGRect btnFrame = self.frame;

//设置中心点  AnchorPoint默认是0.5

btnFrame.origin.x -= btnFrame.size.width / 2 ;

self.frame = btnFrame;

//self.userInteractionEnabled = YES ;

}];

}];

}];

}];

}];

}

@end