I am designing an app with some forms. I have looked at other Cocoa apps to see how they handle the submission of forms. Some apps don't have a submit button and update their backing datastore (or whatever) when, say, a control loses focus or a window is closed. Other's however use a submit button. Is there a rule or heuristic for when to use a submit button and when not?

  • From my personal perspective, I don't like that google calendar don't have a save button, when you adding more notifications. I always reopen it to check if it saved the changes. I know it did, but I stil have to check. – Ada Jun 21 at 16:06

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