Listener for Call end in Android

I am developing an application in 开发者_如何学Gowhich i want to keep a track of that when an outgoing call ends.For example,If a mobile phone user dials a call and then i want to run a programming code when the call is ended.I want this only for outgoing calls.

You can do it with telephony api in android .see this link its have an example for it.

http://mobisys.in/blog/2011/09/is-your-call-ended-on-android-phone/

Finally done my project on android call log details and I used PhoneSateListener and ContentObserver. Github Project: Android Call Log

Tutorial: Android Call Log Details After ending Call