如何在Android中监听副本

To get myself a little more familiar with content providers in Android, I'm making a small clipboard manager app. Its core functionality is to simply add whatever you copy to a database to display. I'm somewhat familiar with Android's Clipboard framework, but what I'm not sure how to do is to listen for copy "events" to know that a new item needs to be added to the clipboard.To get myself a little more familiar with conte