There is no way to reuse the user interface.
However, there is the possibility of reusing data. Settings.app will place the settings in NSUserDefaults under the keys specified in your plass.plundle plist file. You can change these values ββin your application, and then switch to Settings.app and see that it changes to reflect your new values. This is really nice if you want to allow the user to edit the settings in the application (if this is what they are used to) or in Settings.app (if this is what they are used to).
EDIT NO. 1
You can watch this stream . There is a library called mySettings that will simplify its creation.
EDIT No. 2
Now there are several libraries that do this:
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