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ios - 应用程序在 Xcode 11 上启动后立即崩溃

问题描述

在 Xcode 11 中，我的应用程序第一次运行良好，但是一旦它被杀死或崩溃，它就无法打开，它不断崩溃并显示以下错误日志

崩溃日志

1   libobjc.A.dylib                 0x1866b80a4 objc_exception_throw + 55
2   CoreFoundation                  0x186884ac8 +[NSException raise:format:] + 107
3   UIFoundation                    0x189f1eed0 UINibDecoderDecodeObjectForValue + 407
4   UIFoundation                    0x189ebb6b8 -[UINibDecoder decodeObjectForKey:] + 315
5   Foundation                      0x186cb7630 -[NSLayoutConstraint initWithCoder:] + 227
6   UIFoundation                    0x189f1f010 UINibDecoderDecodeObjectForValue + 727
7   UIFoundation                    0x189ebb6b8 -[UINibDecoder decodeObjectForKey:] + 315
8   UIKitCore                       0x18a626568 -[UIRuntimeConnection initWithCoder:] + 171
9   UIFoundation                    0x189f1f010 UINibDecoderDecodeObjectForValue + 727
10  UIFoundation                    0x189f1f244 UINibDecoderDecodeObjectForValue + 1291
11  UIFoundation                    0x189ebb6b8 -[UINibDecoder decodeObjectForKey:] + 315
12  UIKitCore                       0x18a6215b4 -[NSCoder+ 6874548 (UIIBDependencyInjectionInternal) _decodeObjectsWithSourceSegueTemplate:creator:sender:forKey:] + 487
13  UIKitCore                       0x18a6241a4 -[UINib instantiateWithOwner:options:] + 1111
14  UIKitCore                       0x18a36e8b0 -[UIViewController _loadViewFromNibNamed:bundle:] + 363
15  UIKitCore                       0x18a36f2ec -[UIViewController loadView] + 175
16  UIKitCore                       0x18a36f5a4 -[UIViewController loadViewIfRequired] + 171
17  UIKitCore                       0x18a2e1f70 -[UINavigationController _updateScrollViewFromViewController:toViewController:] + 167
18  UIKitCore                       0x18a2e227c -[UINavigationController _startTransition:fromViewController:toViewController:] + 175
19  UIKitCore                       0x18a2e30b0 -[UINavigationController _startDeferredTransitionIfNeeded:] + 1135
20  UIKitCore                       0x18a2e43f4 -[UINavigationController __viewWillLayoutSubviews] + 163
21  UIKitCore                       0x18a2c81c8 -[UILayoutContainerView layoutSubviews] + 223
22  UIKitCore                       0x18adf6d3c -[UIView+ 15088956 (CALayerDelegate) layoutSublayersOfLayer:] + 2139
23  QuartzCore                      0x18d2f012c -[CALayer layoutSublayers] + 283
24  QuartzCore                      0x18d2f495c CA::Layer::layout_if_needed+ 1399132 (CA::Transaction*) + 479
25  QuartzCore                      0x18d300350 CA::Layer::layout_and_display_if_needed+ 1446736 (CA::Transaction*) + 135
26  QuartzCore                      0x18d248edc CA::Context::commit_transaction+ 696028 (CA::Transaction*, double) + 295
27  QuartzCore                      0x18d272e44 CA::Transaction::commit+ 867908 () + 675
28  UIKitCore                       0x18a988f98 __34-[UIApplication _firstCommitBlock]_block_invoke_2 + 79
29  CoreFoundation                  0x18690cec4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 19
30  CoreFoundation                  0x18690c664 __CFRunLoopDoBlocks + 263
31  CoreFoundation                  0x1869078e0 __CFRunLoopRun + 1099
32  CoreFoundation                  0x18690716c CFRunLoopRunSpecific + 463
33  GraphicsServices                0x19073f328 GSEventRunModal + 103
34  UIKitCore                       0x18a971d0c UIApplicationMain + 1935
35  -------------                   0x104ea06c0 0x104e94000 + 50880
36  libdyld.dylib                   0x186792424 start + 3```

标签： iosxcode11swift5.1

解决方案

我遇到了同样的问题，这是因为UITextView情节提要中的一个问题和 Xcode 11.2.1 GM 中修复的 Xcode 11.2 中的一个关键问题：https ://developer.apple.com/documentation/xcode_release_notes/xcode_11_2_1_gm_seed_release_notes/

此更新修复了一个严重问题，该问题可能导致使用 UITextView 的应用程序在以前版本的 iOS、iPadOS 或 tvOS 上运行时崩溃。请参阅发行说明。

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