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我有一個使用標籤欄控制器的項目。最近當我打開這個項目時，「內部錯誤」提示出來，崩潰了xcode。任何人有想法如何解決它？使用TabBar的項目打開時出現「CRASHED」
ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilderCocoaTouch/IDEInterfaceBuilderCocoaTouch-933/IBPlugin/WidgetIntegration/IBUITabBar/IBUITabBar.m:118
Details: This item isn't in this tab bar.
Object: <IBUITabBar: 0x402284780>
Method: -frameForItem:
Thread: <NSThread: 0x40010a260>{name = (null), num = 1}
Hints: None
Backtrace:
0 0x00000001080df366 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in IDEKit)
1 0x00000001077561a4 _DVTAssertionFailureHandler (in DVTFoundation)
2 0x000000010b9afafa (in IDEInterfaceBuilderCocoaTouchIntegration)
3 0x000000010b9efeeb (in IDEInterfaceBuilderCocoaTouchIntegration)
4 0x000000010b1f999c -[NSObject(IBFrameworkObjectIntegration) ibVisibleRectForChild:inFrameController:] (in IDEInterfaceBuilderKit)
5 0x000000010b9e2584 (in IDEInterfaceBuilderCocoaTouchIntegration)
6 0x000000010b9effe3 (in IDEInterfaceBuilderCocoaTouchIntegration)
7 0x000000010b2113e5 -[IBEditorCanvasFrameController clippedRectForObject:] (in IDEInterfaceBuilderKit)
8 0x000000010b212a16 -[IBEditorCanvasFrameController objectsFromBackToFrontAtPoint:] (in IDEInterfaceBuilderKit)
9 0x000000010b212af3 -[IBEditorCanvasFrameController objectAtPoint:] (in IDEInterfaceBuilderKit)
10 0x000000010b228d91 -[IBViewEditorCanvasFrameController trackMeasurementsWithEvent:atPoint:] (in IDEInterfaceBuilderKit)
11 0x000000010b228f19 -[IBViewEditorCanvasFrameController sendEvent:] (in IDEInterfaceBuilderKit)
12 0x00007fff86d0452a -[NSWindow sendEvent:] (in AppKit)
13 0x00007fff86c9c3a5 -[NSApplication sendEvent:] (in AppKit)
14 0x0000000107fe7a11 -[IDEApplication sendEvent:] (in IDEKit)
15 0x00007fff86c32682 -[NSApplication run] (in AppKit)
16 0x00007fff86eb180c NSApplicationMain (in AppKit)
17 0x00000001076e5eec (in Xcode)
把斷點告訴我們這個問題到底發生在哪裏然後告訴我們你的代碼來幫助你。 – 2012-03-25 14:18:53