Android: Is it possible to be notified when a calendar event is starting/ending?

Is it possible to be notified开发者_如何学Python when a calendar event is starting or ending ?

What I'd like to do is register to some kind of event, Intent or some other listener and to be notified when an event is starting or ending.

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Is it possible to be notified when a calendar event is starting or ending ?

The Android OS does not have a calendar. Hence, the Android SDK does not have any APIs related to calendars.