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(沙龙国际网上娱乐) AS中Module中没法使用Butterkn

时间:2017-07-17 16:57来源:未知 作者:admin 点击:
说是Module中的R文件下的id不是final的。然后Butterknife就不行。。。 估计别的注解类型的也不好使吧。。。于是乎有什么办法么。。 详见: https://github.com/JakeWharton/butterknife/issues/100 以下是

说是Module中的R文件下的id不是final的。然后Butterknife就不行。。。
估计别的注解类型的也不好使吧。。。于是乎有什么办法么。。

详见:https://github.com/JakeWharton/butterknife/issues/100

以下是作者JakeWharton在14年12月的原话。。。

Yes this is not supported. This is a tradeoff between ease-of-use and what I tolerate as a sane API.

The only way to accomplish something like this is to allow string values like this:

@InjectView(name = "content_frame") protected FrameLayout
contentFrame; The downside's to this are:

The downside's to this are:

  • It's not rename-safe or compile-safe (kind of). If you open the layout XML for this and do an IDE-backed rename operation it will not catch this string and update it. It also means you can (technically) compile the above code if there is no content_frame ID that exists. Now the compilation will eventually fail because the generated code will become invalid.

  • It's hard to know what R class to reference in the generated code, especially when you take into consideration the fact that you can use references to IDs that exist in libraries that you are referencing.

  • It forces us to have defaults for both the value and name properties on each annotation which means you can write @InjectView Foo foo and Butter Knife will have to fail the builder rather than javac.

Because of these facts, I have chosen not to support library projects.

One way that this could potentially be solved is to use a Gradle plugin rather than an annotation processor. I don't have the time to explore something like that for a few months though.

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