微信摇一摇动画效果

来源：互联网发布：何伤乎句式编辑：程序博客网时间：2024/05/16 08:19

- (void)shake

{

__block UIImageView* imageViewUp = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"cover_4.jpg"]];

imageViewUp.frame = CGRectMake(0.0f, -(self.view.bounds.size.height/2), self.view.bounds.size.width, self.view.bounds.size.height/2);

[self.view addSubview:imageViewUp];

__block UIImageView* imageViewDown = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"cover_4.jpg"]];

imageViewDown.transform = CGAffineTransformMakeRotation(M_PI);

imageViewDown.frame = CGRectMake(0.0f, self.view.bounds.size.height, self.view.bounds.size.width, self.view.bounds.size.height/2);

[self.view addSubview:imageViewDown];

[UIView animateWithDuration:0.8

animations:^{

imageViewUp.frame = CGRectMake(0.0f,0.0f, self.view.bounds.size.width, self.view.bounds.size.height/2);

imageViewDown.frame = CGRectMake(0.0f, self.view.bounds.size.height/2, self.view.bounds.size.width, self.view.bounds.size.height/2);

}

completion:^(BOOL finished){

[UIView animateWithDuration:0.8 delay:0.2 options:0 animations:^{

imageViewUp.frame = CGRectMake(0.0f, -(self.view.bounds.size.height/2), self.view.bounds.size.width, self.view.bounds.size.height/2);

imageViewDown.frame = CGRectMake(0.0f, self.view.bounds.size.height, self.view.bounds.size.width, self.view.bounds.size.height/2);

}

completion:^(BOOL finished){

[imageViewUp removeFromSuperview];

[imageViewUp release];

[imageViewDown removeFromSuperview];

[imageViewDown release];

}];

}