Ios “如何修复”；此编码器仅对采用NSSecureCodeding的对象进行编码（对象属于'；"SwiftValue'；"类）；来自Crashlytics的崩溃

上次更新我们的应用程序后，我遇到了在exeption上崩溃的问题：

-[NSXPCEncoder _checkObject:]: This coder only encodes objects that adopt NSSecureCoding (object is of class '_SwiftValue').

我试图删除我在此更新中添加的库，但没有帮助。奇怪的是，它只在iOS 12上崩溃。我们支持iOS 9。我无法复制崩溃

Crashlytic log:

Fatal Exception: NSInvalidArgumentException
*** -[NSXPCEncoder _checkObject:]: This coder only encodes objects that adopt NSSecureCoding (object is of class '_SwiftValue').

Fatal Exception: NSInvalidArgumentException
0  CoreFoundation                 0x22fea9ea4 __exceptionPreprocess
1  libobjc.A.dylib                0x22f079a50 objc_exception_throw
2  CoreFoundation                 0x22fdb0484 -[NSCache init]
3  Foundation                     0x2308398a0 -[NSXPCEncoder _checkObject:]
4  Foundation                     0x2308395e0 -[NSXPCEncoder _encodeUnkeyedObject:]
5  Foundation                     0x23083a27c -[NSXPCEncoder _encodeArrayOfObjects:forKey:]
6  Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
7  Foundation                     0x23083a27c -[NSXPCEncoder _encodeArrayOfObjects:forKey:]
8  Foundation                     0x230868ed8 -    [NSDictionary(NSDictionary) encodeWithCoder:]
9  Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
10 Foundation                     0x23083a27c -[NSXPCEncoder _encodeArrayOfObjects:forKey:]
11 Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
12 Foundation                     0x23083a27c -[NSXPCEncoder _encodeArrayOfObjects:forKey:]
13 Foundation                     0x230868ed8 -[NSDictionary(NSDictionary) encodeWithCoder:]
14 Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
15 Foundation                     0x23083a27c -[NSXPCEncoder _encodeArrayOfObjects:forKey:]
16 Foundation                     0x230868ed8 -[NSDictionary(NSDictionary) encodeWithCoder:]
17 Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
18 UserNotifications              0x23a3658cc -[UNNotificationContent encodeWithCoder:]
19 Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
20 UserNotifications              0x23a359578 -[UNNotificationRequest encodeWithCoder:]
21 Foundation                     0x230839b78 -[NSXPCEncoder _encodeObject:]
22 Foundation                     0x230a97ed8 _NSXPCSerializationAddInvocationWithOnlyObjectArgumentsArray
23 Foundation                     0x2308369c0 -[NSXPCEncoder _encodeInvocationObjectArgumentsOnly:count:typeString:selector:isReply:into:]
24 Foundation                     0x230836170 -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:]
25 Foundation                     0x230865f3c -[NSXPCConnection _sendSelector:withProxy:arg1:arg2:arg3:]
26 Foundation                     0x230a74ab8 _NSXPCDistantObjectSimpleMessageSend3
27 UserNotifications              0x23a36dbf8 __104-[UNUserNotificationServiceConnection addNotificationRequest:forBundleIdentifier:withCompletionHandler:]_block_invoke
28 libdispatch.dylib              0x22f8e16c8 _dispatch_call_block_and_release
29 libdispatch.dylib              0x22f8e2484 _dispatch_client_callout
30 libdispatch.dylib              0x22f889bd0 _dispatch_lane_serial_drain$VARIANT$mp
31 libdispatch.dylib              0x22f88a74c _dispatch_lane_invoke$VARIANT$mp
32 libdispatch.dylib              0x22f892eb8 _dispatch_workloop_worker_thread
33 libsystem_pthread.dylib        0x22fac50dc _pthread_wqthread
34 libsystem_pthread.dylib        0x22fac7cec start_wqthread

---

在遇到同样的问题后，我发现原因是，当您尝试将某些内容放入

userInfo

时，它必须符合

NSSecureCoding

。错误消息中已说明，但其含义是：

此字典中的键必须是属性列表类型，也就是说，它们必须是可以序列化为属性列表格式的类型

尽管如此，值得一提的是这些类型：

数组、字典、字符串、数据、日期、数字（Int/Float）、Bool

---

我自己找到的解决方案是将对象存储为

数据

，然后将其传递到

用户信息

中，错误消息非常清楚，不是吗？有一个Swift类不采用

NSSecureCoding

，但它必须采用。@vadian可能适合像它这样更有经验的开发人员。但对我来说不是。知道应该是哪一类吗？谢谢类的名称在崩溃日志中无法识别为什么值得提及这些类型？