Editor doesn't open in Xcode

i have a weird problem with Xcode. Here's a screenshot:

When i usually clicked on the file in the left column it'd open in source code editor on the right. Now 开发者_运维百科it doesn't happen. Does anyone know how to get it back the way it was before? it drives me crazy greetings peter

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What happens if you click on the Project, test, at the top, and then click in the columns on the right. Will it open the file in the editor?

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Quit Xcode and relaunch it.

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I see this is a little old now, but I had the same problem. The thing that I had to do was to open the "interface builder" program, wich is the editor for the file, then find and open the .xib file from that program. Next time I tried open it with Xcode it worked.

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Drag a source file from the Groups and Files pane (usually on the left) over into the pane that says "No Editor". No need to reset the defaults.