由于使用粘贴板，我们的应用程序多次收到崩溃。在这种情况下，当我尝试使用系统笔记粘贴内容时，系统笔记也会被屏蔽。所以我写了一个程序尝试读取粘贴板，但是当我使用[UIPasteboard generalPasteboard]时它也会崩溃。
我确定这个严重的错误是苹果的错误，如果使用 UIPasteboard 类，在这种情况下启动时所有应用程序都会崩溃。当我重新启动手机时，一切正常。我已经向苹果报告了这个问题，但没有回复，非常失望。
Date/Time: 2018-12-19 11:37:49.4053 +0800
Launch Time: 2018-12-19 11:37:29.3603 +0800
OS Version: iPhone OS 12.1 (16B92)
Baseband Version: 3.11.00
Report Version: 104
Exception Type: EXC_CRASH (SIGKILL)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Termination Reason: Namespace SPRINGBOARD, Code 0x8badf00d
Termination Description: SPRINGBOARD, scene-create watchdog transgression: com.xxxxx.xxxx exhausted real (wall clock) time allowance of 19.86 seconds | ProcessVisibility: Background | ProcessState: Running | WatchdogEvent: scene-create | WatchdogVisibility: Foreground | WatchdogCPUStatistics: ( | "Elapsed total CPU time (seconds): 14.230 (user 14.230, system 0.000), 18% CPU", | "Elapsed application CPU time (seconds): 0.005, 0% CPU" | )
Triggered by Thread: 0
Thread 0 name: Dispatch queue: com.apple.UIKit.pasteboard.cache-queue
Thread 0 Crashed:
0 libsystem_kernel.dylib 0x00000001eb35bed0 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x00000001eb35b3a8 mach_msg + 72
2 libdispatch.dylib 0x00000001eb1db614 _dispatch_mach_send_and_wait_for_reply + 500
3 libdispatch.dylib 0x00000001eb1dbab4 dispatch_mach_send_with_result_and_wait_for_reply$VARIANT$armv81 + 56
4 libxpc.dylib 0x00000001eb422eb4 xpc_connection_send_message_with_reply_sync + 204
5 Foundation 0x00000001ec393a28 __NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY__ + 12
6 Foundation 0x00000001ec15b4dc -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:] + 3632
7 CoreFoundation 0x00000001eb7d5460 ___forwarding___ + 556
8 CoreFoundation 0x00000001eb7d745c _CF_forwarding_prep_0 + 92
9 Pasteboard 0x0000000200c29778 -[PBServerConnection pasteboardWithName:createIfNeeded:error:] + 688
10 Pasteboard 0x0000000200c2949c -[PBServerConnection pasteboardWithName:error:] + 96
11 UIKitCore 0x00000002187b5d90 _pasteboardCacheQueue_existingItemCollectionWithName + 896
12 UIKitCore 0x00000002187b57d8 __59+[_UIConcretePasteboard _pasteboardNamed:createIfNotFound:]_block_invoke + 228
13 libdispatch.dylib 0x00000001eb20a484 _dispatch_client_callout + 16
14 libdispatch.dylib 0x00000001eb1ea754 _dispatch_lane_barrier_sync_invoke_and_complete + 56
15 UIKitCore 0x00000002187b5630 +[_UIConcretePasteboard _pasteboardNamed:createIfNotFound:] + 332
16 UIKitCore 0x00000002187b4b00 +[UIPasteboard _pasteboardWithName:create:] + 148