我得到了以下错误消息,我不知道为什么会出现这个错误,因为我没有使用任何UIImageView。有时我会收到相同的错误消息,但它是一个CALayer?值得一提的是,我有2个nib文件和2个控制器,还有一个基础控制器,代码位于其中。
编辑:
这是我的项目结构:
MainViewController及其nib文件 - 在nib中的HomeViewController MainViewController-Landscape和其nib文件 - 在nib中的HomeViewController-Landscape HomeViewControllerBase - 没有nib文件 - 所有输出和项配置代码都在此基类中。 - 输出由下面两个子类共用。 - 输出与每个主nib文件中的控件链接。
HomeViewController - 继承自HomeViewControllerBase HomeViewController-Landscape - 继承自HomeViewControllerBase 因此,子类正在尝试销毁其基类(其中包含所有输出)。 我设计成这样是为了避免在不同方向的视图控制器中重复代码。
编辑:
这是我的项目结构:
MainViewController及其nib文件 - 在nib中的HomeViewController MainViewController-Landscape和其nib文件 - 在nib中的HomeViewController-Landscape HomeViewControllerBase - 没有nib文件 - 所有输出和项配置代码都在此基类中。 - 输出由下面两个子类共用。 - 输出与每个主nib文件中的控件链接。
HomeViewController - 继承自HomeViewControllerBase HomeViewController-Landscape - 继承自HomeViewControllerBase 因此,子类正在尝试销毁其基类(其中包含所有输出)。 我设计成这样是为了避免在不同方向的视图控制器中重复代码。
@implementation MainViewController
- (void)orientationChanged:(NSNotification *)notification
{
UIDeviceOrientation deviceOrientation = [UIDevice currentDevice].orientation;
if (UIDeviceOrientationIsLandscape(deviceOrientation) && !isShowingLandscapeView)
{
[self presentModalViewController:self.landscapeViewController
animated:YES];
isShowingLandscapeView = YES;
}
else if (UIDeviceOrientationIsPortrait(deviceOrientation) && isShowingLandscapeView)
{
[self dismissModalViewControllerAnimated:YES];
isShowingLandscapeView = NO;
}
}
- (id)init
{
self = [super initWithNibName:@"MainViewController" bundle:nil];
if (self)
{
isShowingLandscapeView = NO;
self.landscapeViewController = [[[MainViewController_Landscape alloc]
initWithNibName:@"MainViewController-Landscape" bundle:nil] autorelease];
[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(orientationChanged:)
name:UIDeviceOrientationDidChangeNotification
object:nil];
}
return self;
}
@end
@implementation HomeViewControllerBase
- (void)bestSellItemTapped:(id)sender
{
NSLog(@"best sell item tapped");
}
- (void)configureBestSellItems
{
[self startRetrievingRegions];
// load all the images from our bundle and add them to the scroll view
// NSUInteger i;
for (int i = 0; i <= 150; i++)
{
UILabel *itemTitle = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, 100, 50)];
itemTitle.text = @"Majorca";
UILabel *itemPrice = [[UILabel alloc]initWithFrame:CGRectMake(0, 50, 100, 50)];
itemPrice.text = @"£249";
NSString *imageName = @"tempImage.jpg";
UIImage *image = [UIImage imageNamed:imageName];
UIButton *mainButton = [[[UIButton alloc]init] autorelease];
[mainButton addTarget:self action:@selector(bestSellItemTapped:) forControlEvents:UIControlEventTouchUpInside];
[mainButton setBackgroundImage:image forState:UIControlStateNormal];
// setup each frame to a default height and width, it will be properly placed when we call "updateScrollList"
CGRect rect = mainButton.frame;
rect.size.height = kScrollObjHeight;
rect.size.width = kScrollObjWidth;
mainButton.frame = rect;
mainButton.tag = i;
[mainButton addSubview:itemTitle]; [itemTitle release];
[mainButton addSubview:itemPrice]; [itemPrice release];
[self.bestSellScrollView addSubview:mainButton];
}
[self layoutScrollImages]; // now place the photos in serial layout within the scrollview
}
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
[super viewDidLoad];
[self configureBestSellItems];
}
- (void)layoutScrollImages
{
UIButton *view = nil;
NSArray *subviews = [self.bestSellScrollView subviews];
// reposition all image subviews in a horizontal serial fashion
CGFloat curXLoc = 0;
for (view in subviews)
{
if ([view isKindOfClass:[UIButton class]] && view.tag > 0)
{
CGRect frame = view.frame;
frame.origin = CGPointMake(curXLoc, 0);
view.frame = frame;
curXLoc += (kScrollObjWidth + kScrollObjPadding);
}
}
// set the content size so it can be scrollable
[self.bestSellScrollView setContentSize:CGSizeMake((150 * kScrollObjWidth),
[self.bestSellScrollView bounds].size.height)];
}
@end
@interface HomeViewController : HomeViewControllerBase
@end
@interface HomeViewController_Landscape : HomeViewControllerBase
@end
@implementation HomeViewController
- (void)dealloc
{
[super dealloc]; //When I remove this it works
}
@end
@implementation HomeViewController_Landscape
- (void)dealloc
{
[super dealloc]; //When I remove this it works
}
@end
-[UIImageView bestSellItemTapped:]: unrecognized selector sent to instance 0x681c2b0 2011-04-12 15:45:26.665 [21532:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIImageView bestSellItemTapped:]: unrecognized selector sent to instance 0x681c2b0'
*** Call stack at first throw: ( 0 CoreFoundation 0x00dc85a9 __exceptionPreprocess + 185 1 libobjc.A.dylib 0x00f1c313 objc_exception_throw + 44 2 CoreFoundation 0x00dca0bb -[NSObject(NSObject) doesNotRecognizeSelector:] + 187 3 CoreFoundation 0x00d39966 ___forwarding___ + 966 4 CoreFoundation 0x00d39522 _CF_forwarding_prep_0 + 50 5 UIKit 0x0001a4fd -[UIApplication sendAction:to:from:forEvent:] + 119 6 UIKit 0x000aa799 -[UIControl sendAction:to:forEvent:] + 67 7 UIKit 0x000acc2b -[UIControl(Internal)
_sendActionsForEvents:withEvent:] + 527 8 UIKit 0x000ab7d8 -[UIControl touchesEnded:withEvent:] + 458 9 UIKit 0x002ad4de
_UIGestureRecognizerSortAndSendDelayedTouches
+ 3609 10 UIKit 0x002adc53
_UIGestureRecognizerUpdateObserver + 927 11 CoreFoundation 0x00da989b
__CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__
+ 27 12 CoreFoundation 0x00d3e6e7 __CFRunLoopDoObservers + 295 13 CoreFoundation 0x00d071d7 __CFRunLoopRun + 1575 14 CoreFoundation 0x00d06840 CFRunLoopRunSpecific + 208 15 CoreFoundation 0x00d06761 CFRunLoopRunInMode + 97 16 GraphicsServices 0x010001c4 GSEventRunModal + 217 17 GraphicsServices 0x01000289 GSEventRun + 115 18 UIKit 0x00028c93 UIApplicationMain + 1160 19 0x000027a9 main + 121 20
0x00002725 start + 53 ) terminate called after throwing an instance of 'NSException'