Kotlin:类继承了包含同伴对象的接口，但无权访问该接口的常量 [英] Kotlin: class inherits of an interface that contains companion object, but doesn't have access to the constants of the interface

问题描述

以下是界面:

interface SomeInterface {
   companion object {
      const val MY_CONST = "the constant"
   }
}

然后，该类(没有主体，因为这只是一个示例):

And then, the class (without body because is only an example):

class SomeClass : SomeInterface

此后，当我尝试通过SomeClass调用常量时，它不允许我进行操作:

After this, when I try to call the constant through SomeClass, it not allows me:

SomeClass.MY_CONST

我该如何解决?

推荐答案

随播对象不是可继承的"；它们在定义它们的上下文中完全合格(在您的情况下为 SomeInterface ).

Companion objects are not "inheritable"; they are fully qualified by the context in which they are defined (SomeInterface, in your case).

本质上，您需要编写:

SomeInterface.MY_CONST

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