Block outgoing SMS by contentObserver

Question

I want to block SMS by contentObserver. For that I want to get the phone number of the SMS first. What do I do to get the number? This is the code that I have,

Answer 1

Nope, you cant. Observer will comeinto affect after dataset has been modified, by that time sms will already be on the way for delivery. Infact by any means you cant block outgoing sms.