我想像书页一样为我的照片库设置动画。有什么方法可以让我在左侧或右侧使用 UIanimationtransitioncurl 吗?
这是您向我建议的代码。我已经在 viewdidload 方法上做了分配。
self.title = @"TransitionsTitle";
// Create the container view which we will use for transition animation (centered horizontally).
CGRect frame = CGRectMake(round((self.view.bounds.size.width - kImageWidth) / 2.0),
kTopPlacement, kImageWidth, kImageHeight);
self.containerView = [[[UIView alloc] initWithFrame:frame] autorelease];
[self.view addSubview:self.containerView];
// The container view can represent the images for accessibility.
[self.containerView setIsAccessibilityElement:YES];
[self.containerView setAccessibilityLabel:NSLocalizedString(@"ImagesTitle", @"")];
// Create the initial image view.
frame = CGRectMake(0.0, 0.0, kImageWidth, kImageHeight);
self.mainView = [[[UIImageView alloc] initWithFrame:frame] autorelease];
self.mainView.image = [UIImage imageNamed:@"scene1.jpg"];
[self.containerView addSubview:self.mainView];
// Create the alternate image view (to transition between).
CGRect imageFrame = CGRectMake(0.0, 0.0, kImageWidth, kImageHeight);
self.flipToView = [[[UIImageView alloc] initWithFrame:imageFrame] autorelease];
self.flipToView.image = [UIImage imageNamed:@"scene2.jpg"];
CGAffineTransform rotate=CGAffineTransformMakeRotation(3.14/2);
[containerView setTransform:rotate];
[self.view addSubview:containerView];
rotate=CGAffineTransformMakeRotation(-3.14/2);
[mainView setTransform:rotate];
[self.containerView addSubview:mainView];
[self.mainView addSubview:flipToView];
// 我已经把它放在按钮动作事件上。
- (IBAction)flipAction:(id)sender{
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDuration:4];
[UIView setAnimationTransition:([self.mainView superview] ?
UIViewAnimationTransitionCurlDown : UIViewAnimationTransitionCurlDown)
forView:self.containerView cache:YES];
if ([flipToView superview])
{
[self.flipToView removeFromSuperview];
[self.containerView addSubview:mainView];
}
else
{
[self.mainView removeFromSuperview];
[self.containerView addSubview:flipToView];
}
[UIView commitAnimations];
}