caixindong
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caixindong
将方法交换那一块改为以下这样子，原有的实现在系统API使用到NSNull的时候会crash，因为按原有方法在做NSNull swizzle的时候会添加方法失败，消息转发的相关函数是没有默认实现的 ` Method originMth = class_getInstanceMethod(self, originSel); Method altMth = class_getInstanceMethod(self, altSel); if (!originMth || !altMth) { return NO; } BOOL success = class_addMethod(self, originSel, method_getImplementation(altMth), method_getTypeEncoding(altMth)); if (success)...
