Stoping other services like receving call and media player when my application opens?

When i open my application , i should not receive any phone call or sms i should stop the media player also. can any one tel me is there any API is available to disable and enable them again once after my application ends.please he开发者_如何学JAVAlp me..

Thanks RAM

It is impossible to block the phone call as referring to this article. For intercepting coming sms, you may be interested in that thread. Apparently there is a way to do that, but not a clean one.