entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://github.com/facebook/react-native/issues/24139|blocks|key|3uc48|text|显然，在iOS+12.2中，您不能再使用%2B+(void)+load。|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|2mg4k|您应该重构您的代码以使用__attribute__而不是%2B+(void)+load。|fnstr|旧的答案是错误的，但有很好的谈话材料来理解这个问题。|fbiq0|我要求任何开发人员给出一个比这个更好的答案。我认为我缺乏知识是这个答案的一个减速带，但我的想法是至少开始提供一些如何解决它的见解！如果至少有一个开发人员可以让代码工作，那么我的工作就完成了:)|be44j|==Old+Answer==|2rlsm|这是一个已知的bug。新的12.2似乎不允许某些方法加载swift模块。|bcjo0|修复已经完成了，让我们希望它进入react原生版本59.3。(祈祷吧。)|escce|欲了解更多信息，请访问：https://github.com/facebook/react-native/issues/24139|bcsl3|有一些临时的工作，请检查上面的链接。|e2qsf|==EDIT旧answer==|etejv|react-native+59.3在几分钟前发布了，修复了这个错误，请更新。|4jvpq^0|K|D|0|C|D|S|D|0|0|0|0|0|0|C|1H|0|0|0|0|0^^$0|$1|$2|3|4|5|6|$7|8]]]|9|@$A|B|C|D|2|E|F|17|G|@$H|18|I|19|J|K]]|L|@]|6|$]]|$A|M|C|N|2|E|F|1A|G|@$H|1B|I|1C|J|K]|$H|1D|I|1E|J|K]]|L|@]|6|$]]|$A|O|C|P|2|E|F|1F|G|@]|L|@]|6|$]]|$A|Q|C|R|2|E|F|1G|G|@]|L|@]|6|$]]|$A|S|C|T|2|E|F|1H|G|@]|L|@]|6|$]]|$A|U|C|V|2|E|F|1I|G|@]|L|@]|6|$]]|$A|W|C|X|2|E|F|1J|G|@]|L|@]|6|$]]|$A|Y|C|Z|2|E|F|1K|G|@]|L|@$H|1L|I|1M|A|1N]]|6|$]]|$A|10|C|11|2|E|F|1O|G|@]|L|@]|6|$]]|$A|12|C|13|2|E|F|1P|G|@]|L|@]|6|$]]|$A|14|C|15|2|E|F|1Q|G|@]|L|@]|6|$]]|$A|16|C|-4|2|E|F|1R|G|@]|L|@]|6|$]]]]

Apparently in iOS 12.2 you can't use anymore <code>+ (void) load</code>.

You should refactor your code to use <code>__attribute__</code> instead of <code>+ (void) load</code>.

The old answer was given incorrectly but has good talk material to understand the problem.

I ask to any Developer to give a better answer that this one. I reckon my lack of knowledge is a speed bump on this answer but my idea is to at least start giving some insight on how to solve it! 
If at least one developer can make is code work, my job here is done :)

===============================Old Answer==================================

It's a known bug.
It seems the new 12.2 don't allow some method's to load swift modules.

A Fix was already made, let's hope it enters the react native 59.3. (Fingers Crossed.)

For more information:
<a href="https://github.com/facebook/react-native/issues/24139" rel="nofollow noreferrer">https://github.com/facebook/react-native/issues/24139</a>

There are some temporary work arounds pls check the link above.

=============================EDIT old answer===============================

react-native 59.3 was released a few moments ago with this bug fixed, pls update.

entityMap|blocks|key|bmfhc|text|该问题是由于Xcode+10.2的pod库版本不兼容造成的。通过将所有库更新为兼容Xcode+10.2的版本解决。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2u6af^0|0^^$0|$]|1|@$2|3|4|5|6|7|8|D|9|@]|A|@]|B|$]]|$2|C|4|-4|6|7|8|E|9|@]|A|@]|B|$]]]]

This issue was due to incompatible version of pod library for Xcode 10.2. Solved by updating all the library with version compatible to Xcode 10.2.

entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://github.com/facebook/react-native/releases/tag/v0.59.3|1|https://github.com/facebook/react-native/issues/24139|2|https://github.com/facebook/react-native/commit/df7ea67|blocks|key|er9nk|text|对于在使用Xcode10.2的React+Native项目中遇到此错误的任何人，请检查您是否正在使用version+0.59.3或更高版本的react-native，其中包括用于this+issue的a+fix，这与将RCT_EXTERN_MODULE用于Swift类相关。|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|735dr^0|1Y|C|31|H|1E|E|0|2H|A|1|2S|5|2|0^^$0|$1|$2|3|4|5|6|$7|8]]|9|$2|3|4|5|6|$7|A]]|B|$2|3|4|5|6|$7|C]]]|D|@$E|F|G|H|2|I|J|R|K|@$L|S|M|T|N|O]|$L|U|M|V|N|O]]|P|@$L|W|M|X|E|Y]|$L|Z|M|10|E|11]|$L|12|M|13|E|14]]|6|$]]|$E|Q|G|-4|2|I|J|15|K|@]|P|@]|6|$]]]]

For anyone encountering this error in a React Native project with Xcode 10.2, check that you are using <a href="https://github.com/facebook/react-native/releases/tag/v0.59.3" rel="nofollow noreferrer">version 0.59.3</a> or later of <code>react-native</code>, which includes <a href="https://github.com/facebook/react-native/commit/df7ea67" rel="nofollow noreferrer">a fix</a> for <a href="https://github.com/facebook/react-native/issues/24139" rel="nofollow noreferrer">this issue</a>, which is related to using <code>RCT_EXTERN_MODULE</code> for Swift classes.

I updated my Xcode to Version 10.2 (10E125) and my existing swift project crashes with "objc[29733]: Swift class extensions and categories on Swift classes are not allowed to have +load methods" while running in iPhoneX simulator 12.2

objc[29733]: Swift class extensions and categories on Swift classes are not allowed to have +load methods xcode 10.2 running on ios 12.2

React Native

Swift

Xcode

我将我的Xcode更新到版本10.2 (10E125)，在iPhoneX模拟器12.2中运行时，我现有的swift项目崩溃，并显示"objc29733: Swift class extensions and categories on Swift classes in allowed to have +load met...

问objc[29733]：Swift类上的Swift类扩展和类别不允许在IOS12.2上运行+load方法Xcode10.2
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