Interface Builder not Seeing Outlets with MacRuby

I am trying to get a basic hello world application going using XCode and Interface Builder. However, in Interface Builder I can't see my outlets to wire things up with. I go to the connections tab of the objects inspector pane and it says "New Referencing Outlet".

I am wondering if my code is wrong. Here it is

class HelloWorldController 
    attr_accessor :hello_label, :hello_button, :hello

    def awakeFromNib 
        @hello = true
    end

    def changeLabel(sender) 
        if @hello
            @hello_label.stringValue = "Good Bye" 
            @hello_button.title = "Hello" 
            @hello = false
        else
            @hello_label.stringValue = "Hello World" 
            @hello_button.title = "Good Bye" 
            @hello = true
        end 
    end
end

As I understand it I should be able to see hello, hello_label, hello_button, and changeLabel, but I don't. I thought maybe I had a misspelling somewhere, but that doesn't seem to be it either. Here is a shot of the two interface builder windows.

Any help is appreciated. I think I am just overlooking something, but not sure.

UPDATE: I solved the problem by just re-installing OS X. I suspect there was a problem because X Code 4 was installed, no idea. However, it now works with a fresh install of OS X, X Code and MacRuby

---

I had a similar problem http://www.mail-archive.com/macruby-devel@lists.macosforge.org/msg05331.html

it was fixed by reinstalling MacRuby after a reinstall of XCode.

---

No need to reinstall if you are on XCode 4.1 or 4.2, like I just did - it is truly broken now. See this ticket for when it is fixed, and a workaround.

---

If you upgrade to Xcode 4.3+, you will need to follow these instructions:

http://lldong.github.com/blog/2012/03/05/xcode-4-dot-3-macruby-compatible-problem-workaround/

It will bring bace your Macruby project templates and fix rb_nibtool

链接地址: http://www.djcxy.com/p/4168.html

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