iphone – 这个类不是密钥值编码符合密钥authView

发布时间：2020-12-14 20:03:48 所属栏目：百科来源：网络整理

导读：参见英文答案 What does this mean? “’NSUnknownKeyException’,reason: … this class is not key value coding-compliant for the key X”????????????????????????????????????61 当我在模拟器上运行我的应用程序运行良好,当我尝试与设备不工作,我得到

参见英文答案 > What does this mean? “’NSUnknownKeyException’,reason: … this class is not key value coding-compliant for the key X”????????????????????????????????????61
当我在模拟器上运行我的应用程序运行良好,当我尝试与设备不工作,我得到这些错误：

注意：我的代码中没有找到任何类的authView类

2011-02-24 12:04:14.472 TestP[473:307] *** Terminating app due to uncaught exception     'NSUnknownKeyException',reason: '[<TestP 0x19d2b0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key authView.'
*** Call stack at first throw:
(
0   CoreFoundation                      0x33ac0987 __exceptionPreprocess + 114
1   libobjc.A.dylib                     0x3347b49d objc_exception_throw + 24
2   CoreFoundation                      0x33ac0705 -[NSException dealloc] + 0
3   Foundation                          0x3367db4f -[NSObject(NSKeyValueCoding)    setValue:forUndefinedKey:] + 182
4   Foundation                          0x3367d03b _NSSetUsingKeyValueSetter + 90
5   Foundation                          0x3367eda3 -[NSObject(NSKeyValueCoding) setValue:forKey:] + 194
6   Foundation                          0x33630b17 -[NSObject(NSKeyValueCoding) setValue:forKeyPath:] + 130
7   UIKit                               0x3224c60f -[UIRuntimeOutletConnection connect] + 66
8   CoreFoundation                      0x33a63fc7 -[NSObject(NSObject) performSelector:] + 18
9   CoreFoundation                      0x33a6cd51 -[NSArray makeObjectsPerformSelector:] + 388
10  UIKit                               0x3224b577 -[UINib instantiateWithOwner:options:] + 586
11  UIKit                               0x3224cb39 -[NSBundle(UINSBundleAdditions) loadNibNamed:owner:options:] + 92
12  UIKit                               0x3209e871 -[UIApplication _loadMainNibFile] + 96
13  UIKit                               0x3209a1fd -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 180
14  UIKit                               0x3206648b -[UIApplication handleEvent:withNewEvent:] + 1114
15  UIKit                               0x32065ec9 -[UIApplication sendEvent:] + 44
16  UIKit                               0x32065907 _UIApplicationHandleEvent + 5090
17  GraphicsServices                    0x33b0ef03 PurpleEventCallback + 666
18  CoreFoundation                      0x33a556ff __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 26
19  CoreFoundation                      0x33a556c3 __CFRunLoopDoSource1 + 166
20  CoreFoundation                      0x33a47f7d __CFRunLoopRun + 520
21  CoreFoundation                      0x33a47c87 CFRunLoopRunSpecific + 230
22  CoreFoundation                      0x33a47b8f CFRunLoopRunInMode + 58
23  UIKit                               0x32099309 -[UIApplication _run] + 380
24  UIKit                               0x32096e93 UIApplicationMain + 670
25  TestP                               0x00002213 main + 98
26  TestP                               0x000021ac start + 40
)
terminate called after throwing an instance of 'NSException'

解决方法

你的文件的所有者可能已经在你的xibs中搞砸了.这个异常在nib unarchiving中被抛出(正如在backtrace中的[UINib …]所证明的那样).它尝试连接您定义的IBOutlets.

您的一个视图被设置为文件所有者的authView.但是,如果是时候取消归档笔尖,则所有者不具有authView属性,因此取消归档失败.

（编辑：李大同）

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