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.

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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/

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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