How to reject/close specific incoming number

Question

In my application I want to block the specific incoming number.I do google,and following Blocking Incoming call - Android. But this code is not working for me.I am testing on

Answer 1

Finally, solve the issue, Create IDL interface for getting core Telephony service package name must be com.android.internal.telephony

FileName : ITelephony.aidl // First Here I am createing ITelephony.java

For the create .aidl file New > File and write ITelephony.aidl

And follow the steps Blocking a call without user intervention in android with an example.