了解iOS中的KVO [英] Understanding KVO in iOS
问题描述
关于确保KVO合规性，
有一些似乎很难理解的官方定义
Regarding "Ensuring KVO Compliance", there are some official definition which seem like hard to understand
为了
符合特定房产的KVO标准，
a类必须确保以下内容;
In order to be considered KVO-compliant for a specific property, a class must ensure the following;
-
class必须是符合
的键值编码，符合确保KVC合规性中规定的
。
The class must be key-value coding compliant for the property as specified in Ensuring KVC Compliance.
该类必须允许自动
属性的观察员通知，或实施手册
键值观察。
The class must allow automatic observer notifications for the property, or implement manual key-value observing for the property.
谁可以提供更具体的例子来说明这一点？谢谢
Who can give more specific examples to make this more clear ? Thanks
推荐答案
看看确保KVO合规性键值的自动与手动支持部分观察编程指南。合规性基本上是通过遵循方法和/或ivars的命名约定来实现的。
Take a look at Ensuring KVO Compliance the Automatic Versus Manual Support section of the Key-Value Observing Programming Guide. Compliance is essentially achieved by following naming conventions for methods and/or ivars.
根据我的经验，KVO倾向于正常工作，这很好。
In my experience KVO tends to 'just work', which is nice.
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