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On iOS, if you want to remove all settings and documents for an application during development and start from a clean install, you just need to delete it. However, on the Mac, removing the application bundle does not clear all preferences for that application.

How can you test an application from a clean start on the Mac?

Andrew
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  • You can't delete it? –  Jan 19 '12 at 22:33
  • this isn't a programming question... you should ask this on [su] (that is, after searching to see if it hasn't already been asked) –  Jan 19 '12 at 22:35
  • It's a possibility that there's a setting in xcode to make it 'forget' about the app, since the app isn't an app yet, it's running from xcode. –  Jan 19 '12 at 22:37

2 Answers2

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Try deleting any related folders or files in ~/Library/Preferences/ and ~/Library/Application Support/.

Jonathan Sterling
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Just delete any files that the app has stored in the ~/library/applicationsupport folder, and trash the ~/library/preferences/com.yourappid.plist file.

On Lion the ~/library folder is hidden, so get to it by using the finder's go > go to folder menu.

You could also try changing the bundle ID so the next time you build it will think it's a different app.