Getting notification list from OS X Notification Center

Question

It's possible to send notifications to the Notification Center on Mac using NSUserNotification and NSUserNotificationCenter API classes.

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But is there any way of reading the notifications from the Notification Center?

Answer 1

There is no public API for that. So nothing App Store conform.

BUT

As part of my little tech-demo-app DiscoNotifier (where I flash the keyboard LEDs in response to a notification) I wrote a DDUserNotificationCenterMonitor class

see: https://github.com/Daij-Djan/DiscoNotifier/tree/master/DiscoNotifier

it works using FileSystemEvents and SQLite and checks the notification center's database

It works and the database has all info (table: presented_notifications) but.. this is fragile AND private