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Data doesn't save when I click stop button on Xcode


#1

Hi,
In the Checklist app, chapter 17, page 400, I invoked saveData() in applicationWillTerminate but still when I add some new data to the app and press stop, it doesn’t save any data.
Like what book says “Press Stop in Xcode to terminate the app. Run the app again and your data should
still be there.” I expected to see my last data after pressing stop.