自定义View可以知道onPause已被调用吗？

I have a custom View that runs a Thread operation which sits around making calls to the interwebs periodically. I would like to know if there's a way for me to not have to kill that thread from the parent Activity (onPause) so that the Thread isn't milling about in the background after the Activity has been backgrounded (and/or killed).I have a custom View that runs a Thread operati