我的应用程序得到这个错误,当我改变方向,我知道了人生第一次,我以前从未见过这种类型的错误,错误[NSISLinearExpression orientationChanged:]:无法识别的选择发送到实例
我有搜索很多关于这个错误,但我没有发现任何解决这个问题,
在我的应用我有写NSNotification的方向变化
Scroller.m
-(id)initWithFrame:(CGRect)frame {
self=[super initWithFrame:frame];
if (self) {
// Initialization code
scrollView=[UIScrollView new];
pageControl=[UIPageControl new];
scrollView.delegate=self;
scrollView.pagingEnabled=YES;
scrollView.showsHorizontalScrollIndicator=NO;
scrollView.showsVerticalScrollIndicator=NO;
scrollView.translatesAutoresizingMaskIntoConstraints=NO;
pageControl.translatesAutoresizingMaskIntoConstraints=NO;
scrollView.backgroundColor=[UIColor clearColor];
pageControl.backgroundColor=[UIColor darkGrayColor];
[pageControl addTarget:self action:@selector(changePage) forControlEvents:UIControlEventValueChanged];
[self addSubview:scrollView];
[self addSubview:pageControl];
self.pageControl.currentPage = 0;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(orientationChanged)
name:UIDeviceOrientationDidChangeNotification
object:nil];
[self setData];
}
return self;
}
-(void)orientationChanged{
[self updateFrame];
}
-(void)updateFrame{
[self layoutIfNeeded];
CGRect mainFrame=scrollView.frame;
CGRect frame;
.
.
.
.
// COdes for Updating Frame
}
但我得到这个错误:
-[NSISLinearExpression orientationChanged:]: unrecognized selector sent to instance 0xa9477c0 2014-02-28 09:56:04.919 TKScroller[604:a0b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSISLinearExpression orientationChanged:]: unrecognized selector sent to instance 0xa9477c0'
编辑:
我在观察者和方法去除参数, 运行它,我得到了新的错误后
[__NSArrayM orientationChanged]: unrecognized selector sent to instance 0xa0845f0 2014-02-28 10:27:40.202 Scroller[810:a0b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSArrayM orientationChanged]: unrecognized selector sent to instance 0xa0845f0'
解决
我删除观察员dealloc方法
- (void)dealloc {
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
你是Google吗?您向一个NSISLinearExpression对象发送了一个orientationChanged:消息,并且该类没有该名称的方法! –
@HotLicks:是的,我已经在谷歌搜索'[NSISLinearExpression orientationChanged:]'但我没有找到任何这就是为什么我在这里提出问题。 – Optimistic
我编辑了问题,请检查。 – Optimistic