Where is the inspector window in Xcode 4.0.2

Before I used to open the inspector window ( Segmented Control Attributes) like:

Now that I upgrated to Xcode 4.0.2 I h开发者_运维知识库ave this:

How could I open the Inspector window in Xcode 4.0.2?

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I think the problem might be that you've hidden the Utilities view. To re-enable this, simply click on the rightmost of the "View" icons in the main window, as shown below.

Incidentally, if you just single click on the .xib file, it'll open in the main view rather than a new window, which is probably more useful in this instance.