UIView动画

父视图产生缩放效果的代码

[UIView beginAnimations:nil context:nil];

    self.view.transform = CGAffineTransformScale(CGAffineTransformIdentity,0.8,0.8);

    self.view.center = CGPointMake(-60,[UIScreen mainScreen].bounds.size.height/2);

[UIView commitAnimations];