ContiguousArrayStorage行無法識別的選擇發送到實例

我只需要添加一個細胞&得到EXC_CRASHContiguousArrayStorage行無法識別的選擇發送到實例

tableView.beginUpdates() 
tableView.insertRowsAtIndexPaths([indexPathToAdd], withRowAnimation: .Automatic) 
expanded = true 
accordionIndex = newAccordionIndex 
tableView.endUpdates()

數據源代表

func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 
    return scheme.numberOfCells 
} 

var numberOfCells: Int { 
    let count = rowCountHandler!() 
    return expanded ? count + 1 : count 
}

調試後，誤差在tableView.endUpdates（）這很奇怪因爲如果單元格已經存在&我刪除它&將它添加到新的indexPath，tableView.endUpdates（）沒有問題。

完整的方法

func handleDoubleTap(tableView: UITableView, withAbsoluteIndex index: Int) { 
     if !expanded { 

      // Add a cell below the double tapped cell 

      let newAccordionIndex = index + 1 
      let indexPathToAdd = [NSIndexPath(forRow: newAccordionIndex, inSection: 0)] 
      //expanded = true 
      //accordionIndex = newAccordionIndex 
      //tableView.reloadData() 

      tableView.beginUpdates() 
      tableView.insertRowsAtIndexPaths([indexPathToAdd], withRowAnimation: .Automatic) 
      expanded = true 
      accordionIndex = newAccordionIndex 
      tableView.endUpdates() 

     } else { 

      if index == parentIndex { return } 

      // Remove the current accordion cell & add a new one 
      // below the double tapped cell 

      let indexPathToRemove = NSIndexPath(forRow: accordionIndex, inSection: 0) 

      let newAccordionIndex = index > accordionIndex ? index : index + 1 
      let indexPathToAdd = NSIndexPath(forRow: newAccordionIndex, inSection: 0) 

      tableView.beginUpdates() 
      tableView.deleteRowsAtIndexPaths([indexPathToRemove], withRowAnimation: .Automatic) 
      tableView.insertRowsAtIndexPaths([indexPathToAdd], withRowAnimation: .Automatic) 
      accordionIndex = newAccordionIndex 
      tableView.endUpdates() 
     } 
    }

而且我找不到在那裏我呼籲數組實例行。我猜是某種陣列。

堆棧跟蹤低於

2014-10-07 02:01:10.426 HopperBus[37542:9390828] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[_TtCSs23_ContiguousArrayStorage000000007A8CFA98 row]: unrecognized selector sent to instance 0x7a84d3d0' 
*** First throw call stack: 
(
    0 CoreFoundation      0x004fcdf6 __exceptionPreprocess + 182 
    1 libobjc.A.dylib      0x025b4a97 objc_exception_throw + 44 
    2 CoreFoundation      0x00504a75 -[NSObject(NSObject) doesNotRecognizeSelector:] + 277 
    3 CoreFoundation      0x0044d9c7 ___forwarding___ + 1047 
    4 CoreFoundation      0x0044d58e _CF_forwarding_prep_0 + 14 
    5 UIKit        0x01789afc -[UIUpdateItem isSectionOperation] + 52 
    6 UIKit        0x014c011f -[UITableView _endCellAnimationsWithContext:] + 5778 
    7 UIKit        0x014d771f -[UITableView endUpdatesWithContext:] + 51 
    8 UIKit        0x014d774d -[UITableView endUpdates] + 41 
    9 HopperBus       0x001440a1 _TFC9HopperBus17HBAccordionScheme15handleDoubleTapfS0_FTCSo11UITableView17withAbsoluteIndexSi_T_ + 993 
    10 HopperBus       0x0012dd2f _TFC9HopperBus19RouteViewController9tableViewfS0_FTCSo11UITableView23didSelectRowAtIndexPathCSo11NSIndexPath_T_ + 319 
    11 HopperBus       0x0012ddd5 _TToFC9HopperBus19RouteViewController9tableViewfS0_FTCSo11UITableView23didSelectRowAtIndexPathCSo11NSIndexPath_T_ + 101 
    12 UIKit        0x014d94fc -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:] + 1559 
    13 UIKit        0x014d96a7 -[UITableView _userSelectRowAtPendingSelectionIndexPath:] + 285 
    14 UIKit        0x014de9a3 __38-[UITableView touchesEnded:withEvent:]_block_invoke + 43 
    15 UIKit        0x013f362e ___afterCACommitHandler_block_invoke + 15 
    16 UIKit        0x013f35d9 _applyBlockToCFArrayCopiedToStack + 415 
    17 UIKit        0x013f33ee _afterCACommitHandler + 545 
    18 CoreFoundation      0x0041ffbe __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 30 
    19 CoreFoundation      0x0041ff00 __CFRunLoopDoObservers + 400 
    20 CoreFoundation      0x0041593a __CFRunLoopRun + 1226 
    21 CoreFoundation      0x004151ab CFRunLoopRunSpecific + 443 
    22 CoreFoundation      0x00414fdb CFRunLoopRunInMode + 123 
    23 GraphicsServices     0x06b0e24f GSEventRunModal + 192 
    24 GraphicsServices     0x06b0e08c GSEventRun + 104 
    25 UIKit        0x013c9e16 UIApplicationMain + 1526 
    26 HopperBus       0x000d44fe top_level_code + 78 
    27 HopperBus       0x000d453b main + 43 
    28 libdyld.dylib      0x02d18ac9 start + 1 
) 
libc++abi.dylib: terminating with uncaught exception of type NSException

來源

2014-10-07 Tosin Afolabi

的測試，你能告訴更多的你'UITableViewDataSource'代碼[NSIndexPath]可以轉換爲[AnyObject]所以[[NSIndexPath]]它沒有抓住它？我的直覺是你添加了一個表格行，但沒有從'tableView（_：numberOfRowsInSection：）'返回正確的值。 – 2014-10-07 01:28:50

如何定義'indexPathToAdd'？ – 2014-10-07 03:40:31

請注意'let indexPathToAdd = [NSIndexPath（forRow：newAccordionIndex，inSection：0）]'so'[indexPathToAdd]'是一個數組的數組。可悲的是，類型檢查沒有捕獲:( 感謝您的幫助 – 2014-10-07 04:28:58

通知

let indexPathToAdd = [NSIndexPath(forRow: newAccordionIndex, inSection: 0)]

所以[indexPathToAdd]是一個陣列的陣列。

類型檢查器沒有注意到這是因爲它調用了一個沒有嚴格類型檢查Swift的Objective-C API。因爲insertRowsAtIndexPaths需要一個[AnyObject]並傳遞[AnyObject]

來源

2014-10-08 04:28:54

ContiguousArrayStorage行無法識別的選擇發送到實例

回答

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