/创建缩小了的视图

myWeiBoImageVC = [[UIViewController alloc] init];

myWeiBoImageVC.view.clipsToBounds = YES;

myWeiBoImageVC.view.alpha = 0.0;

myWeiBoImageVC.view.frame = CGRectMake(64, 0, 1024-64, 768-20);

[self.view addSubview:myWeiBoImageVC.view];

    

CGAffineTransform newTransform = 

CGAffineTransformScale(myWeiBoImageVC.view.transform, 0.1, 0.1);

[myWeiBoImageVC.view setTransform:newTransform];

myWeiBoImageVC.view.center = CGPointMake(670, 100);

 

[self performSelector:@selector(imageViewControllerBigAnimation)];

//放大刚刚创建缩小后的视图

- (void)imageViewControllerBigAnimation{

   

    [UIView beginAnimations:@"imageViewBig" context:nil];

    [UIView setAnimationDuration:0.5];   

    CGAffineTransform newTransform =            CGAffineTransformConcat(myWeiBoImageVC.view.transform,  CGAffineTransformInvert(myWeiBoImageVC.view.transform));

    [myWeiBoImageVC.view setTransform:newTransform];

    myWeiBoImageVC.view.alpha = 1.0;

    myWeiBoImageVC.view.center = CGPointMake(416, 510)；

    [UIView commitAnimations];

   

}

//缩小视图 隐藏

- (void)imageViewControllerSmallAnimation{

    [UIView beginAnimations:@"imageViewSmall" context:nil];

    [UIView setAnimationDuration:0.5];

    CGAffineTransform newTransform =  CGAffineTransformScale(myWeiBoImageVC.view.transform, 0.1, 0.1);

    [myWeiBoImageVC.view setTransform:newTransform];

    myWeiBoImageVC.view.center = CGPointMake(670, 100);

    [UIView commitAnimations];

   

}