Question

2017-04-13 12:16:36.606 Boardmeeting[4601:1375127] Uncaught exception [<UIViewController 0x7f988fe32750> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key btnAvatar.
2017-04-13 12:16:36.611 Boardmeeting[4601:1375127] Stack trace: (
    0   CoreFoundation                      0x000000010f555d4b __exceptionPreprocess + 171
    1   libobjc.A.dylib                     0x000000010efbe21e objc_exception_throw + 48
    2   CoreFoundation                      0x000000010f555c99 -[NSException raise] + 9
    3   Foundation                          0x000000010d25e9df -[NSObject(NSKeyValueCoding) setValue:forKey:] + 291
    4   UIKit                               0x000000010d90d293 -[UIViewController setValue:forKey:] + 88
    5   UIKit                               0x000000010db8179e -[UIRuntimeOutletConnection connect] + 109
    6   CoreFoundation                      0x000000010f4fa9e0 -[NSArray makeObjectsPerformSelector:] + 256
    7   UIKit                               0x000000010db80122 -[UINib instantiateWithOwner:options:] + 1867
    8   UIKit                               0x000000010d9139c5 -[UIViewController _loadViewFromNibNamed:bundle:] + 386
    9   UIKit                               0x000000010d9142e7 -[UIViewController loadView] + 177
    10  UIKit                               0x000000010d91461c -[UIViewController loadViewIfRequired] + 201
    11  UIKit                               0x000000010d914e70 -[UIViewController view] + 27
    12  UIKit                               0x000000010d9734f3 -[UITabBarController transitionFromViewController:toViewController:transition:shouldSetSelected:] + 483
    13  UIKit                               0x000000010d972935 -[UITabBarController transitionFromViewController:toViewController:] + 59
    14  UIKit                               0x000000010d96e7f6 -[UITabBarController _setSelectedViewController:] + 365
    15  UIKit                               0x000000010d96e57b -[UITabBarController setSelectedIndex:] + 131
    16  Boardmeeting                        0x0000000109746bce -[LoginViewController prepareForSegue:sender:] + 350
    17  UIKit                               0x000000010df4817f -[UIStoryboardSegueTemplate _performWithDestinationViewController:sender:] + 353
    18  UIKit                               0x000000010df47fed -[UIStoryboardSegueTemplate _perform:] + 82
    19  UIKit                               0x000000010d917a1f -[UIViewController performSegueWithIdentifier:sender:] + 99
    20  Boardmeeting                        0x00000001097470ee -[LoginViewController requestFinished:] + 446
    21  Boardmeeting                        0x00000001096fbe9e -[ASIHTTPRequest reportFinished] + 142
    22  Foundation                          0x000000010d27ee9e __NSThreadPerformPerform + 326
    23  CoreFoundation                      0x000000010f4fa761 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    24  CoreFoundation                      0x000000010f4df98c __CFRunLoopDoSources0 + 556
    25  CoreFoundation                      0x000000010f4dee76 __CFRunLoopRun + 918
    26  CoreFoundation                      0x000000010f4de884 CFRunLoopRunSpecific + 420
    27  GraphicsServices                    0x0000000115158a6f GSEventRunModal + 161
    28  UIKit                               0x000000010d772c68 UIApplicationMain + 159
    29  Boardmeeting                        0x0000000109758eae main + 142
    30  libdyld.dylib                       0x000000011067b68d start + 1
)

Answer 1

当您从班级中移除IBOutlet时，通常会发生这种情况，但您不会删除故事板中的插座链接。

在你的情况下它是btnAvatar：你可以从你的班级/控制器中删除它，但是你把它留在了故事板上吗？

未捕获的异常[setValue：forUndefinedKey：]：此类不是键值btnAvatar的键值编码兼容

1 个答案: