请找到以下代码,当我将模拟器旋转到横向时,图像位置不正确。但在肖像中,它似乎很好。
我的图像尺寸是高度 768,宽度是 1024。即使我已经相应地设置了框架。
我不确定这背后的原因是什么。
请让我知道我的代码中有什么问题。
const CGFloat HEIGHT = 1024.0;
const CGFloat WIDTH = 768.0;
#define myViewPortrait CGRectMake(0.0f, 0.0f, 768.0f,1024.0f)
#define myViewLandSacpe CGRectMake(0.0f, 0.0f, 1024.0f,768.0f)
#define kAnimationKey @"animationKey"
-(void)layoutScrollImages
{
UIImageView *view = nil;
NSArray *subviews = [myScrollView subviews];
CGFloat curXLoc = 0;
for (view in subviews)
{
if ([view isKindOfClass:[UIImageView class]] && view.tag > 0)
{
CGRect frame = view.frame;
frame.origin = CGPointMake(curXLoc, 0);
view.frame = frame;
curXLoc += (self.view.frame.size.width);
}
}
[myScrollView setContentSize:CGSizeMake((myImagesCount * self.view.frame.size.width), [myScrollView bounds].size.height)];
}
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
self.view.backgroundColor = [UIColor viewFlipsideBackgroundColor];
myScrollView = [[UIScrollView alloc] initWithFrame:
CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
[self.view addSubview:myScrollView];
UISwipeGestureRecognizer *rightRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(rightSwipeHandle:)];
rightRecognizer.direction = UISwipeGestureRecognizerDirectionRight;
rightRecognizer.numberOfTouchesRequired = 1;
[rightRecognizer setDelegate:self];
[myScrollView addGestureRecognizer:rightRecognizer];
[rightRecognizer release];
UISwipeGestureRecognizer *leftRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(leftSwipeHandle:)];
leftRecognizer.direction = UISwipeGestureRecognizerDirectionLeft;
leftRecognizer.numberOfTouchesRequired = 1;
[leftRecognizer setDelegate:self];
[myScrollView addGestureRecognizer:leftRecognizer];
[leftRecognizer release];
[myScrollView setBackgroundColor:[UIColor blackColor]];
[myScrollView setCanCancelContentTouches:NO];
myScrollView.indicatorStyle = UIScrollViewIndicatorStyleWhite;
myScrollView.clipsToBounds = YES;
myScrollView.scrollEnabled = YES;
myScrollView.pagingEnabled = YES;
myScrollView.delegate = self;
myImagesCount = 5;
myScrollView.showsHorizontalScrollIndicator=NO;
myScrollView.showsVerticalScrollIndicator=NO;
for (int i = 1; i <= myImagesCount; i++)
{
NSString *imageName = [NSString stringWithFormat:@"screen-%d.jpg", i];
UIImage *image = [UIImage imageNamed:imageName];
UIImageView *imageView = [[UIImageView alloc] initWithImage:image];
CGRect rect = imageView.frame;
rect.size.height = myScrollView.frame.size.height;
NSLog(@"%d -----",self.view.frame.size.width);
rect.size.width = myScrollView.frame.size.width;
imageView.frame = rect;
imageView.tag = i;
[myScrollView addSubview:imageView];
[imageView release];
}
[self layoutScrollImages];
[super viewDidLoad];
}
// if you want to change things based on orientation
- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation duration:(NSTimeInterval)duration
{
switch (interfaceOrientation)
{
case UIInterfaceOrientationPortrait:
{
//changes for Portait
NSLog(@"Portait");
[self.view setFrame:CGRectMake(0,0,768,1024)];
myScrollView.frame = self.view.frame;
}
break;
case UIInterfaceOrientationPortraitUpsideDown:
{
//changes for PortaitUpsideDown
NSLog(@"PortaitUpsideDown");
[self.view setFrame:CGRectMake(0,0,768,1024)];
myScrollView.frame = self.view.frame;
}
break;
case UIInterfaceOrientationLandscapeRight:
{
//changes for LandscapeRight
NSLog(@"LandscapeRight");
[self.view setFrame:CGRectMake(0,0,1024,768)];
myScrollView.frame = self.view.frame;
}
break;
case UIInterfaceOrientationLandscapeLeft:
{
//changes for LandscapeRight
NSLog(@"LandscapeRight");
[self.view setFrame:CGRectMake(0,0,1024,768)];
myScrollView.frame = self.view.frame;
}
break;
}
}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer
{
return YES;
}
- (void)rightSwipeHandle:(UISwipeGestureRecognizer*)gestureRecognizer
{
CATransition *animation = [CATransition animation];
[animation setDelegate:self];
[animation setType:kCATransitionFade];
[animation setSubtype:kCATransitionFromRight];
[animation setDuration:1.0];
[animation setTimingFunction:[CAMediaTimingFunction functionWithName:
kCAMediaTimingFunctionEaseInEaseOut]];
[self.view exchangeSubviewAtIndex:0 withSubviewAtIndex:1];
[[self.view layer] addAnimation:animation forKey:kAnimationKey];
}
- (void)leftSwipeHandle:(UISwipeGestureRecognizer*)gestureRecognizer
{
CATransition *animation = [CATransition animation];
[animation setDelegate:self];
[animation setType:kCATransitionFade];
[animation setSubtype:kCATransitionFromLeft];
[animation setDuration:1.0];
[animation setTimingFunction:[CAMediaTimingFunction functionWithName:
kCAMediaTimingFunctionEaseInEaseOut]];
[self.view exchangeSubviewAtIndex:0 withSubviewAtIndex:1];
[[self.view layer] addAnimation:animation forKey:kAnimationKey];
}
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return YES;
}
编辑:因为我现在无法提交评论,所以在调试时它会在 willrotate 的所有情况下进行