Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[__NSCFArra
2014-08-05 11:01
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这个错误说的是一个不可变数组负值给了一个可变的数组。有可能你前面定义的数组是一个可变数组,但是在你其他方法里面用他的时候,他就是一个不可变数组,因为在可变数组拿到别的地方用的时候,他会默认为不可变的,可能这只是一个类里面你只是简单的声明了他吧,并没有进行对他初始化,或者分配什么内存,所以他只是一个不可变的数组,当你在其他地方用他的时候,他就默认为不可变的数组,他可能因为你的没分配内存,而变回不可变的类型吧。。(个人这样理解)
这是我在写代码时候用到的,但是就解决不了问题,问了很多人,才解决的
我的代码用到的可变数组。问题就是不可变数组负值给了可变数组
@property (strong,nonatomic)NSMutableArray *weatherDic; //声明是可变数组,在用的时候就是不可变的额
我这里是这么写的。
_weatherDic = [NSJSONSerializationJSONObjectWithData:data
options:NSJSONReadingMutableLeaveserror:&Eerror]; //这里是给他负值的
//这里是要用到他的
[_weatherDicremoveObjectAtIndex:indexPath.row];//删除选择行的数组元素
[tableView
deleteRowsAtIndexPaths:[NSMutableArrayarrayWithObject:indexPath]
;
然而,这里一直报错。。
Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[__NSCFArray removeObjectAtIndex:]: mutating method sent to immutable
object'
翻译:“NSInternalInconsistencyException”终止应用程序由于未捕获异常,原因:“——(__NSCFArray removeObjectAtIndex:]:变异方法发送到不可变的对象”
可是就是这里一直找不到为什么,我也没有定义其他的数组啊,我定义的是一个可变数组啊,我就纳闷了,试了好久 ,就是解决不了,然后问了别人,他给我说这是可变数组哪里发生了变化导致的。
然后他就给我指导了,我就进行了更改,代码如下,(其实就是先把内容放到不可变数组中,然后吧不可变数组转化为可变数组的原理)
NSArray *array= [NSJSONSerializationJSONObjectWithData:data
options:NSJSONReadingMutableLeaveserror:&Eerror];
_weatherDic=[NSMutableArrayarrayWithArray:array];
注:_weatherDic 这是一个可变数组的变量定义
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