【发布时间】:2017-02-21 16:28:13
【问题描述】:
我是新手,遇到此错误,我到处查找,但找不到解决方案。任何帮助将不胜感激!
0 CoreFoundation 0x00000001102bb34b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x000000010d61c21e objc_exception_throw + 48
2 CoreFoundation 0x00000001102bb299 -[NSException raise] + 9
3 Foundation 0x000000010d12c2ff -[NSObject(NSKeyValueCoding) setValue:forKey:] + 291
4 UIKit 0x000000010dbafc01 -[UIView(CALayerDelegate) setValue:forKey:] + 173
5 UIKit 0x000000010def9be6 -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x0000000110260590 -[NSArray makeObjectsPerformSelector:] + 256
7 UIKit 0x000000010def856a -[UINib instantiateWithOwner:options:] + 1867
8 UIKit 0x000000010dc451e8 -[UITableView _dequeueReusableViewOfType:withIdentifier:] + 399
9 UIKit 0x000000010dc456e0 -[UITableView dequeueReusableCellWithIdentifier:forIndexPath:] + 71
10 Foodtracker 0x000000010d0274e7 _TFC11Foodtracker23MealTableViewController9tableViewfTCSo11UITableView12cellForRowAtV10Foundation9IndexPath_CSo15UITableViewCell + 199
11 Foodtracker 0x000000010d027a97 _TToFC11Foodtracker23MealTableViewController9tableViewfTCSo11UITableView12cellForRowAtV10Foundation9IndexPath_CSo15UITableViewCell + 87
12 UIKit 0x000000010dc58ba9 -[UITableView _createPreparedCellForGlobalRow:withIndexPath:willDisplay:] + 757
13 UIKit 0x000000010dc58e07 -[UITableView _createPreparedCellForGlobalRow:willDisplay:] + 74
14 UIKit 0x000000010dc2c871 -[UITableView _updateVisibleCellsNow:isRecursive:] + 3295
15 UIKit 0x000000010dc62189 -[UITableView _performWithCachedTraitCollection:] + 110
16 UIKit 0x000000010dc489e3 -[UITableView layoutSubviews] + 222
17 UIKit 0x000000010dbb0344 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 1237
18 QuartzCore 0x000000011306acdc -[CALayer layoutSublayers] + 146
19 QuartzCore 0x000000011305e7a0 _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 366
20 QuartzCore 0x000000011305e61e _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 24
21 QuartzCore 0x0000000112fec62c _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 280
22 QuartzCore 0x0000000113019713 _ZN2CA11Transaction6commitEv + 475
23 QuartzCore 0x000000011301a083 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 113
24 CoreFoundation 0x000000011025fe17 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
25 CoreFoundation 0x000000011025fd87 __CFRunLoopDoObservers + 391
26 CoreFoundation 0x00000001102444b6 CFRunLoopRunSpecific + 454
27 UIKit 0x000000010dae5db6 -[UIApplication _run] + 434
28 UIKit 0x000000010daebf34 UIApplicationMain + 159
29 Foodtracker 0x000000010d028c4f main + 111
30 libdyld.dylib 0x00000001111e568d start + 1
31 ??? 0x0000000000000001 0x0 + 1
) libc++abi.dylib:以 NSException 类型的未捕获异常终止 (lldb)
【问题讨论】:
-
你想做什么?我只能推断,在 dequeueReusableCellWithIdentifier:forIndexPath: 方法中,您返回的是一些 Cell,您之前必须在其中拥有某些属性,但您删除了该属性。
-
你是否开启了objective-c异常断点?如果没有,请打开它们,当发生此类崩溃时,您将被带到发生这种情况的线路。
-
它把我带到了这条线:class AppDelegate: UIResponder, UIApplicationDelegate {