App Store 崩溃报告 EXC_BREAKPOINT (SIGTRAP)

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【中文标题】App Store 崩溃报告 EXC_BREAKPOINT (SIGTRAP)【英文标题】:App Store crash report EXC_BREAKPOINT (SIGTRAP) 【发布时间】:2017-10-31 13:00:19 【问题描述】:

以下是从 iTunes Connect 下载的崩溃报告,Apple 人员说“我们无法审查您的应用,因为它在启动时崩溃了”

我知道“EXC_BREAKPOINT (SIGTRAP)”的意思是 a non-optional type with a nil valuea failed forced type conversion,我检查了第 0、1、2 和 41 行,关注我的应用程序的属性,新安装,并尝试从旧版本更新,全部真实设备,一切正常,没有发生崩溃。我不知道崩溃发生在哪里?

你可以给我一些建议非常有帮助。非常感谢!!!

Exception Type:  EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000001, 0x0000000101066d5c
Termination Signal: Trace/BPT trap: 5
Termination Reason: Namespace SIGNAL, Code 0x5
Terminating Process: exc handler [0]
Triggered by Thread:  0

Filtered syslog:
None found

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   Cloud                           0x0000000101066d5c specialized static ContentViewController.iphone.getter + 388444 (ContentViewController.swift:20)
1   Cloud                           0x0000000101049584 specialized PageViewController.init(coder:) + 267652 (PageViewController.swift:16)
2   Cloud                           0x000000010104657c @objc PageViewController.init(coder:) + 255356 (PageViewController.swift:0)
3   UIKit                           0x000000018acee8bc -[UIClassSwapper initWithCoder:] + 248
4   UIKit                           0x000000018ae97588 UINibDecoderDecodeObjectForValue + 688
5   UIKit                           0x000000018ae972c0 -[UINibDecoder decodeObjectForKey:] + 104
6   UIKit                           0x000000018acee560 -[UIRuntimeConnection initWithCoder:] + 188
7   UIKit                           0x000000018ae97588 UINibDecoderDecodeObjectForValue + 688
8   UIKit                           0x000000018ae97700 UINibDecoderDecodeObjectForValue + 1064
9   UIKit                           0x000000018ae972c0 -[UINibDecoder decodeObjectForKey:] + 104
10  UIKit                           0x000000018aced8a0 -[UINib instantiateWithOwner:options:] + 1168
11  UIKit                           0x000000018b06a7f0 -[UIStoryboard instantiateViewControllerWithIdentifier:] + 196
12  UIKit                           0x000000018a9d08dc -[UIApplication _loadMainStoryboardFileNamed:bundle:] + 124
13  UIKit                           0x000000018a7d6cdc -[UIApplication _loadMainInterfaceFile] + 264
14  UIKit                           0x000000018a9cf5c0 -[UIApplication _runWithMainScene:transitionContext:completion:] + 1420
15  UIKit                           0x000000018ac5d454 __111-[__UICanvasLifecycleMonitor_Compatability _scheduleFirstCommitForScene:transition:firstActivation:completion:]_block_invoke + 800
16  UIKit                           0x000000018af2d1f0 +[_UICanvas _enqueuePostSettingUpdateTransactionBlock:] + 160
17  UIKit                           0x000000018ac5d0b8 -[__UICanvasLifecycleMonitor_Compatability _scheduleFirstCommitForScene:transition:firstActivation:completion:] + 252
18  UIKit                           0x000000018ac5d928 -[__UICanvasLifecycleMonitor_Compatability activateEventsOnly:withContext:completion:] + 748
19  UIKit                           0x000000018b3c66e8 __82-[_UIApplicationCanvas _transitionLifecycleStateWithTransitionContext:completion:]_block_invoke + 260
20  UIKit                           0x000000018b3c658c -[_UIApplicationCanvas _transitionLifecycleStateWithTransitionContext:completion:] + 448
21  UIKit                           0x000000018b1429c0 __125-[_UICanvasLifecycleSettingsDiffAction performActionsForCanvas:withUpdatedScene:settingsDiff:fromSettings:transitionContext:]_block_invoke + 220
22  UIKit                           0x000000018b2d7fc8 _performActionsWithDelayForTransitionContext + 112
23  UIKit                           0x000000018b142870 -[_UICanvasLifecycleSettingsDiffAction performActionsForCanvas:withUpdatedScene:settingsDiff:fromSettings:transitionContext:] + 252
24  UIKit                           0x000000018af2c850 -[_UICanvas scene:didUpdateWithDiff:transitionContext:completion:] + 364
25  UIKit                           0x000000018a9cde28 -[UIApplication workspace:didCreateScene:withTransitionContext:completion:] + 540
26  UIKit                           0x000000018add16ec -[UIApplicationSceneClientAgent scene:didInitializeWithEvent:completion:] + 364
27  FrontBoardServices              0x00000001839f9768 -[FBSSceneImpl _didCreateWithTransitionContext:completion:] + 364
28  FrontBoardServices              0x0000000183a02070 __56-[FBSWorkspace client:handleCreateScene:withCompletion:]_block_invoke_2 + 224
29  libdispatch.dylib               0x0000000180cdd048 _dispatch_client_callout + 16
30  libdispatch.dylib               0x0000000180ce46c8 _dispatch_block_invoke_direct$VARIANT$mp + 288
31  FrontBoardServices              0x0000000183a2da04 __FBSSERIALQUEUE_IS_CALLING_OUT_TO_A_BLOCK__ + 36
32  FrontBoardServices              0x0000000183a2d6a8 -[FBSSerialQueue _performNext] + 404
33  FrontBoardServices              0x0000000183a2dc44 -[FBSSerialQueue _performNextFromRunLoopSource] + 56
34  CoreFoundation                  0x0000000181300358 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 24
35  CoreFoundation                  0x00000001813002d8 __CFRunLoopDoSource0 + 88
36  CoreFoundation                  0x00000001812ffb60 __CFRunLoopDoSources0 + 204
37  CoreFoundation                  0x00000001812fd738 __CFRunLoopRun + 1048
38  CoreFoundation                  0x000000018121e2d8 CFRunLoopRunSpecific + 436
39  GraphicsServices                0x00000001830aff84 GSEventRunModal + 100
40  UIKit                           0x000000018a7cb880 UIApplicationMain + 208
41  Cloud                           0x0000000101010e04 main + 36356 (SearchTableViewController.swift:13)
42  libdyld.dylib                   0x0000000180d4256c start + 4

以下是static ContentViewController.iphone.getter的代码:

定义在common.swift:

enum iPhone: CGFloat 
case iPhoneSE = 568
case iPhone = 667
case iPhonePlus = 736
case iPhoneX = 812

init!(_ rawValue: CGFloat) 
    self.init(rawValue: rawValue)

定义在ContentViewController.swift:

    static var iphone: iPhone 
    let sceneHeight: CGFloat = UIScreen.main.bounds.height

    if iPhone(sceneHeight) == .iPhoneSE 
        return .iPhoneSE
     else if iPhone(sceneHeight) == .iPhone 
        return .iPhone
     else if iPhone(sceneHeight) == .iPhonePlus 
        return .iPhonePlus
     else 
       return .iPhoneX
    

【问题讨论】:

显示发生崩溃的代码 这就是重点,我真的不知道崩溃发生在哪里。上面是线程 0 的截断,崩溃报告说崩溃,但我不知道哪个代码行崩溃了,因为我的设备上没有发生崩溃。 你能解释一下“ContentViewController.iphone.getter”中发生了什么吗? 请查看更新后的问题,我已经添加了“ContentViewController.iphone.getter”的代码。 你是说stacktrace错了??或者??它说:SearchTableViewController 或某个情节提要控制器是您的主控制器。然后PageViewController 已加载并在崩溃发生时处于活动状态(通过笔尖加载)。 PageController 第 16 行调用 ContentViewController 在第 20 行崩溃。这次崩溃显然发生在 CloudKit 方法上。 【参考方案1】:

init!(_ rawValue: CGFloat) self.init(rawValue: rawValue)

您在这里使用强制展开初始化,但如果没有与传递的值对应的情况,枚举可以返回 nil 的情况。它可以是 iPad (768) 或 iPhone 4s (480)。所以你解包 nil 并且系统抛出异常。

【讨论】:

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