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macoscocoaosx-mavericks

applicationShouldTerminate: not called when application closed on the red X

I am new to OSX development. I have to run some code when the app is about to terminate. applicationShouldTerminate: runs when quit is selected from the menu or when I press Cmd Q but not when I close the app on the red X ball.

How do I do that?

thanks.

Solution

  • on osx, per default an app doesnt close when the main window/the last of the app's windows is closed.
    => An app can run without any windows open.

    if you want the X to close the app implement the appDelegate method applicationShouldTerminateAfterLastWindowClosed and return YES there!