NSObjectSafe

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怎么用啊？

1

有没有具体的使用方法啊？？

QiaoLansheng

Jiuaim

编译时候提示RAC里的文件报错

3

Cannot create __weak reference in file using manual reference counting

Bone111

NSCache无需拦截key为空的情况

1

NSCache进行swizzing交换时，无需判断key为nil的情况，因为setObject:forKey方法里key不遵循NSCoping协议，而且通过本地测试（我用的iOS13）测试，当key为nil时，执行上述set方法不会crash,仍然可以继续执行

xiwuxisheng

… safe check

looseyi

你好，我想在debug模式下生效，怎么使用？

codeXiaoQiang

Crashed when AirDrop present UIActivityViewController on iOS13.0/Xcode 11

1

Scene: UIActivityViewController *shareVC = [[UIActivityViewController alloc]initWithActivityItems:@[self.debugText.string] applicationActivities:nil]; [self presentViewController:shareVC animated:YES completion:nil]; Crash: crash at NSCache(safe) hookSetObject:forKey: ,because input an nil key, but when I don't use NSObjectSafe , it doesn't...

yuehengwu

能否出一版，获取具体是哪个控制器哪个方法有问题

5

获取具体是哪个控制器哪个方法有问题

ZebZheng

siosheChina

为啥交换 class method 和交换 instance method 的实现有差异？

14

``` + (void)swizzleClassMethod:(SEL)origSelector withMethod:(SEL)newSelector { Class cls = [self class]; Method originalMethod = class_getClassMethod(cls, origSelector); Method swizzledMethod = class_getClassMethod(cls, newSelector); Class metacls = objc_getMetaClass(NSStringFromClass(cls).UTF8String); if (class_addMethod(metacls, origSelector, method_getImplementation(swizzledMethod), method_getTypeEncoding(swizzledMethod)) )...

whihail